TRẦN NGỌC KHÁNH NHƯ

VI/ READING - Choose the best options.

<div><br /></div>
<span style="color: red;"><span style="font-size: medium;"><b> TEXT A </b></span>
</span><div>
  <div style="text-align: justify;">
    <span style="font-size: large;">    </span><span style="font-size: medium;">- Air pollution is a big problem in big cities. Evidence shows that air
      pollution may cause serious health problems for humans and animals. We (I)
      .......... more health problems if we do not lower the air pollution
      levels. There are some simple actions we can take to REDUCE air
      pollution.</span>
  </div>
  <span style="font-size: medium;"><div style="text-align: justify;">
          First, get familiar with bus or train routes in your city
      (2) ......... start to replace your motorbike travel with a bus trip at
      least once a week. I he frequent use of public transportation can help
      reduce emissions that cause air pollution. You can even walk or bike
      (3)..........short distances.
    </div>

<span><div style="text-align: justify;">
            Second, try to use less packaging. Factories can badly
        (4)......... air quality when producing plastic, foil and cardboard for
        packaging. Whatever you are shopping for, remember to choose items with
        as little packaging as possible. If you have no choice, go for
        recyclable packaging.
      </div></span>
    <div style="text-align: justify;">
          Another good way to reduce air pollution is to manage your
      household waste. Redusing. recycling and composting can help reduce a
      significant (5) .......... of garbage. That means that less garbage will
      end up in landfills which are major sources of air pollution.
    </div>

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          <span style="font-size: medium;">(1)

(1) "We (1) more health problems if we do not...". Đây
            là câu cấu trúc dạng được gọi là "First Conditional". Dạng câu này
            dùng để nói về y hết có thật có thể xảy ra khi có điều kiện liên
            quan đến tương lai.<br />

Air pollution is a big problem in big cities. Evidence
            shows that air pollution may cause serious health problems for
            humans and animals. We <b>will get</b> more health problems if we do
            not lower the air pollution levels. There are some simple actions we
            can take to <b>reduce<i></i></b> air pollution.<br />
               First, get familiar with bus or train
            <b>routes<i></i></b> in your city <b>and</b> start to replace your
            motorbike travel with a bus trip at least once a week. The frequent
            use of public transportation can help reduce emissions that cause
            air pollution. You can even walk or bike <b>for</b> short
            distances.<br />
               Second, try to use less packaging. Factories can badly
            <b>affect</b> air quality when producing plastic, foil and cardboard
            for packaging. Whatever you are shopping for, remember to choose
            items with as little packaging as possible. If you have no choice,
            go for recyclable packaging.<br />
               Another good way to reduce air pollution is to manage
            your household waste. Reusing, recycling and composting can help
            reduce a significant <b>amount</b> of garbage. That means that less
            garbage will end up in landfills which are major sources of air
            pollution. <br /><a href="about:invalid#zSoyz" target="_blank">https://yourhomework.net/quiz/test/000000420077</a></span>
        </div>
      </div>
    </div>

<div><br /></div>
    <span style="font-size: medium;"><b style="background-color: white; color: #2b00fe; font-family: times; font-size: medium;">TEXT B - How can we save the planet?</b><br /><div style="text-align: justify;">   This is a very difficult question. We certainly need national and local governments to spend money on big projects. But every one of us should help every day. Here are a few problems and some solutions.</div><div style="text-align: justify;">   •Water pollution is a very big problem. If dirty water gels into rivers, it can cause problems for fish, if people eat the fish, they may catch (1)........  . Il you see dirty water going into a river, tell your local government. We should all help to (2) .......... our freshwater.</div><div style="text-align: justify;">   •We must try to (3) ........ the amount ol plastic which we use. Use the same bag again and again when you go shopping.</div><div style="text-align: justify;">   •Trash looks horrible in parks and open spaces, but it is also dangerous. It can kill (4) ........... if it contains things which poison animals, and animals can die if they eat plastic, glass, or metal. Take your trash home!</div><div style="text-align: justify;">   •Also, try to make less food trash! Did you know that 33% of all food around the world goes into trash cans? Don’t buy too much food and then (5) ...........a lot of it.</div>

<b>We can save the planet, day by day!</b><br />
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      <div><br /></div></span></span></div><span style="color: red; font-size: medium;"><b> <b>TEXT C - Hi Luke.</b>

</b></span><div><div style="text-align: justify;"><span style="font-size: large;">    </span><span style="font-size: large;">Did you watch that program about natural disasters last night? It was excellent! I was a bit bored at the beginning, because the first disaster was snow coming down a mountainside. I'm not sure that(l) .......... are really disasters, but they are horrible for skiers.</span></div><span style="font-size: medium;"><div style="text-align: justify;">    After the first break, there was a sad story about a (2) .......... in a part of India. It didn’t rain for nine months, and there was no water in any of the lakes or rivers. All the food plants died, and people brought things into the"area by truck every day.</div><div style="text-align: justify;">   Next, we had a story about a kind of storm. It turns very fast over water and sometimes causes a lot of damage when it goes over land. It’s called a (3) .......... .</div><div style="text-align: justify;">   There’s another program next week about other natural disasters, but this program ended with some advice. The presenter said people need to be ready, but that is strange, because he also said there is often no(4)..........  that a natural disaster will happen.</div><div style="text-align: justify;">   Next week, we will learn about the(5) .......... of natural disasters, which will be very interesting. Do you want to come and watch it with me?</div>

Best wishes,<br />

Chris      <br />
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<div><br /></div><span style="font-size: medium;"><b><span style="color: red;"> TEXT D.</span>  </b></span></span></div><div><span style="font-size: medium;"><span style="font-size: medium;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyEs7TIgbcMCotpJTZK9_2wy8QL_Irp4RKCf_1YhHdYD3Zsp96wnDqj7j8onHoLQbTjN0-iR6sFwaxwjo3QYassnqtgsw_WEbH4O6RMLZ1LYla5l6YSwMT__e1UOEUqWznmfxNaYID3nR_g45wTzH1tJc8dV0ChMwZ49AG54isP8olFi7hHG1HGG3xX9Y/s623/oo.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="58" data-original-width="623" height="47" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyEs7TIgbcMCotpJTZK9_2wy8QL_Irp4RKCf_1YhHdYD3Zsp96wnDqj7j8onHoLQbTjN0-iR6sFwaxwjo3QYassnqtgsw_WEbH4O6RMLZ1LYla5l6YSwMT__e1UOEUqWznmfxNaYID3nR_g45wTzH1tJc8dV0ChMwZ49AG54isP8olFi7hHG1HGG3xX9Y/w496-h47/oo.jpg" width="496" /></a></div><b><br /></b></span></span></div><div><div style="text-align: justify;"><b style="font-size: large;"> <span>    </span></b><span style="font-size: medium;">As South Texas continues to battle (I).......... Harvey’s record rainfall, the people of Louisiana are marking a tragic anniversary. Twelve years (2) ......... , on August 29. 2005. <span>    </span><span>    </span>Hurricane Katrina made landfall near New Orleans. It was one of the (3) ........... devastating natural disasters to ever hit the United States, and the (4)___________ still bears its scars.

Hurricane Harvey and Hurricane Katrina are (5)____________ beasts, to be sure. Harvey's lingering wrath is very different than Katrina’s swift and destructive turn, and the (6)____________ and infrastructural collapses that followed. So far. Harvey (7)___________ claimed a number of lives, but it is a (8)_____________ fraction of Katrina’s 1,800+ victims. </span></div><div style="text-align: justify;"><span style="font-size: medium;"><span>    </span> From a meteorological perspective, though, how do these (9) ________________ compare? Other than timing - an interesting but easily explained coincidence - do they have anything in (10)___________ other than adjacent chambers in the nation's memory? </span></div><div style="text-align: justify;"><span style="font-size: large;"><br /></span></div><div style="text-align: justify;"><span style="font-size: large;"><span style="font-size: medium;"><span style="font-size: medium;">
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<span style="font-size: medium;"><div style="text-align: justify;"><span style="font-size: medium;"><span>     </span> As South Texas continues to battle <b><span style="color: red;">against</span></b> Harvey's record rainfall, the people of Louisiana are marking a tragic anniversary. Twelve years <b><span style="color: red;">ago</span></b>, on August 29, 2005, Hurricane Katrina made landfall near New Orleans. It was one of the most devastating natural disasters to ever hit the United States, and the <b><span style="color: red;">region</span></b> still bears its scars. </span></div><div style="text-align: justify;"><span style="font-size: medium;"><span>    </span> Hurricane Harvey and Hurricane Katrina are <b><span style="color: red;">different</span></b> beasts, to be sure. Harvey's lingering wrath is very different than Katrina's swift and destructive turn, and the <b><span style="color: red;">social</span></b> and infrastructural collapses that followed. So far, Harvey <b><span style="color: red;">has</span></b> claimed a number of lives, but it is a <b><span style="color: red;">small</span></b> fraction of Katrina's 1,800+ victims.<br>

From a meteorological perspective, though, how do these <b>storms</b> compare? Other than timing -- an interesting but easily explained coincidence - do they have anything in <b><span style="color: red;">common</span></b> other than adjacent chambers in the nation's memory? </span></div><div style="text-align: justify;"><span style="font-size: medium;"> <a href="https://hoctapsgk.com/cau-hoi/1029134.html">https://hoctapsgk.com/cau-hoi/1029134.html</a></span></div>
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VI/ READING - Choose the best options.

TEXT A - Air pollution is a big problem in big cities. Evidence shows that air pollution may cause serious health pro...

+ Đọc thêm »

V. Put tile words in the correct order to make correct sentences.

<div><br /></div><span style="font-size: medium;"><b> 1. Those are environmentally-friendly products. (TO) </b>
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<span style="font-size: medium;">$\rightarrow$ Those products <i>are friendly to our environment</i>.<br />

<b>Dịch</b>: Những sp trên rất thân thiện với môi trường.<br />

<b>Be friendly to environment</b>:Thân thiện vs môi trường=environmentally-friendly </span>
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<span style="font-size: medium;"><b> 2. Preventing environmental pollution is our responsibility. (FOR)

</b>
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<span style="font-size: medium;"> $\rightarrow$ We are <i>responsible for preventing environmental pollution</i> <i>− Doing sth is one's responsibility</i><br />
  S + be responsible for doing sth: có trách nhiệm làm gì đó

</span>
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<div><br /></div><span style="font-size: medium;"><b> 3. I suggest putting a lot of trash cans around the schoolvard.

</b>
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<span style="font-size: medium;"> $\rightarrow$ I think <i>we should put a lot of trash cans around the schoolyard. <br /></i>

S + suggest doing sth : đề nghị ai nên làm việc gì<br />

=
 S + think + S2 + (should) do sth <br />

<b>Dịch</b>: Tôi nghĩ chúng ta nên bỏ nhiều thùng rác trong sân trường </span>
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<div><br /></div><span style="font-size: medium;"><b>4. To have a healthy lifestyle, we should exercise a lot. (THAT)

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<span style="font-size: medium;"> $\rightarrow$ We should <i>exercise a lot ( so) that we can have a healthy lifestyle <br /></i>
−
 To do sth, S + should + V <br />

=
 S + should + V+ that/so that + S + can + V : có thể làm gì<br />
  <b>Dịch</b>: Chúng ta nên tập thể dục nhiều để có một lối sống khoẻ mạnh

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<div><br /></div><span style="font-size: medium;"><b> 5. Exercise regularly and you will be fit and healthy. (IF)

</b>
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<input 1="" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Ẩn'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'XEM'; }" style="font-size: 11px; margin: 0px; padding: 4px; width: 75px;" type="button" value="XEM" />
</div>
<div>
<div style="background: #; border: 1px solid rgb(79, 79, 79); display: none; padding: 4px;">
<span style="font-size: medium;"> $\rightarrow$ You will <i>be fit and healthy if you do exercise regularly.<br /></i>

→
 Điều kiện loại 
1
:
 (điều kiện có thể xảy ra ở hiện tại/tương lai):<br />

S + will/can/shall + V-bare + if + S + V-(s/es)</span>
</div>
</div></div>
<div><br /></div><span style="font-size: medium;"><b> 6. I'll call the police if you don't leave me alone.

</b>
<div>
<div>
<input 1="" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Ẩn'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'XEM'; }" style="font-size: 11px; margin: 0px; padding: 4px; width: 75px;" type="button" value="XEM" />
</div>
<div>
<div style="background: #; border: 1px solid rgb(79, 79, 79); display: none; padding: 4px;">
<span style="font-size: medium;"> $\rightarrow$ Unless <i>you leave me alone, I’ll call the police.   
</i>
</span>
</div>
</div></div>
<div><br /></div><span style="font-size: medium;"><b> 7. In the snowy weather we don't go to school.

Câu điều kiện loại 0: If+HTĐ+HTĐ .</span>
</div>
</div></div>
<div><br /></div><span style="font-size: medium;"><b> 8. He can't go out because he has to study for his exam.

</b>
<div>
<div>
<input 1="" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Ẩn'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'XEM'; }" style="font-size: 11px; margin: 0px; padding: 4px; width: 75px;" type="button" value="XEM" />
</div>
<div>
<div style="background: #; border: 1px solid rgb(79, 79, 79); display: none; padding: 4px;">
<span style="font-size: medium;"> $\rightarrow$If <i>he didn't have to study for his exam, he could go out</i>.<br />

Giải thích: Câu điều kiện loại 2: If S + Vqk + …, S + would/could + Vinf: dùng để diễn tả sự việc hay điều kiện “không thể” xảy ra ở hiện tại.<br />

Dịch: Nếu anh ấy không phải học để thi thì anh ấy có thể ra ngoài.</span>
</div>
</div></div>
<div><br /></div><span style="font-size: medium;"><b>9. It's necessary for everyone to pul important belongings into a safe bag. (SHOULD)

</b>
<div>
<div>
<input 1="" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Ẩn'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'XEM'; }" style="font-size: 11px; margin: 0px; padding: 4px; width: 75px;" type="button" value="XEM" />
</div>
<div>
<div style="background: #; border: 1px solid rgb(79, 79, 79); display: none; padding: 4px;">
<span style="font-size: medium;">   $\rightarrow$  Everyone should <i>put important belongings into a safe bag.</i>

</span>
</div>
</div></div>
<div><br /></div><span style="font-size: medium;"><b> 10. You shouldn't go outside of the house during disasters. (INSIDE)

</b>
<div>
<div>
<input 1="" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Ẩn'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'XEM'; }" style="font-size: 11px; margin: 0px; padding: 4px; width: 75px;" type="button" value="XEM" />
</div>
<div>
<div style="background: #; border: 1px solid rgb(79, 79, 79); display: none; padding: 4px;">
<span style="font-size: medium;">  $\rightarrow$   You should stay <i>inside the house during disasters</i>.

</span>
</div>
</div></div>
<div><br /></div><span style="font-size: medium;"><b> 11. It takes them 45 minutes to play table tennis every Saturday morning.

</b>
<div>
<div>
<input 1="" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Ẩn'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'XEM'; }" style="font-size: 11px; margin: 0px; padding: 4px; width: 75px;" type="button" value="XEM" />
</div>
<div>
<div style="background: #; border: 1px solid rgb(79, 79, 79); display: none; padding: 4px;">
<span style="font-size: medium;">$\rightarrow$ They spend <i>45 minutes playing table tennis every Saturday morning<br /></i>

It takes sb+ Ntime/money+ to V<br />

= S+ spend+ Ntime/money+ Ving</span>
</div>
</div></div>

<div><br /></div>
<span style="font-size: medium;"><b> 12. Mr. Dat prefers going by motorbike to driving a car.

</b>
<div>
<div>
<input 1="" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Ẩn'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'XEM'; }" style="font-size: 11px; margin: 0px; padding: 4px; width: 75px;" type="button" value="XEM" />
</div>
<div>
<div style="background: #; border: 1px solid rgb(79, 79, 79); display: none; padding: 4px;">
<span style="font-size: medium;">$\rightarrow$ Mr.Dat prefers <i>going by motorbike to driving a car.</i>
<b>Giải thích:</b>

- Sử dụng cấu trúc S + prefer + V-ing + to + V-ing để diễn tả sự thích làm gì hơn làm gì

- S là "Mr.Dat", số it -> thêm 's' sau 'prefer', động từ gồm có "going by motorbike" và "driving a car"</span>
</div>
</div></div>
<div><br /></div><span style="font-size: medium;"><br /><span style="font-size: medium;"><span style="font-size: medium;"><span style="font-size: medium;"><span style="font-size: medium;"><span style="font-size: medium;"><span style="font-size: medium;"><span style="font-size: medium;"><div>
<div>

</div></div></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>

V. Put tile words in the correct order to make correct sentences.

1. Those are environmentally-friendly products. (TO) $\rightarrow$ Those products are friendly to our environment . Dịch : Những s...

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Nêu các dấu hiệu nhận biết hình bình hành, hình chữ nhật, hình thoi, hình vuông.

<p> <span style="background-color: white; color: #333333; font-family: Roboto, sans-serif; font-size: 20px; font-weight: 700; letter-spacing: -0.4px;">TRẢ LỜI:</span></p><div class="question-header" style="align-items: center; background-color: white; box-sizing: border-box; color: #333333; display: flex; font-family: Roboto, sans-serif; font-size: 16px; justify-content: space-between; margin-bottom: 8px;"><div class="question-verified-wrapper" style="align-items: center; box-sizing: border-box; display: flex; position: relative;"><span class="question-verified-icon" style="box-sizing: border-box; left: -5px; position: absolute; top: -6px;"><img alt="verified" height="21" src="https://video.vietjack.com/images/verified.webp" style="border: 0px; box-sizing: border-box; height: auto; max-width: 100%; vertical-align: middle;" width="18" /></span><div class="question-verified-box" style="align-items: center; background: rgba(118, 210, 34, 0.2); border-radius: 100px; box-sizing: border-box; display: flex; height: 17px; padding: 0px 10px;"><span class="question-text" style="box-sizing: border-box; color: #447c10; font-size: 14px; font-weight: 700; letter-spacing: -0.342857px; line-height: 25px; margin-left: 5px;">Giải bởi Vietjack</span></div></div></div><div class="question" style="background-color: white; box-sizing: border-box; font-family: Roboto, sans-serif; font-size: 14px; line-height: 26px; padding-right: 0px;"><div class="result" style="box-sizing: border-box; font-size: 18px; line-height: 1.7; overflow-x: auto;"><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">Dấu hiệu nhận biết:</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt; font-weight: 640;">- Hình bình hành:</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">1) Tứ giác có các cạnh đối song song là hình bình hành.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">2) Tứ giác có các cạnh đối bằng nhau là hình bình hành.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">3) Tứ giác có hai cạnh đối song song và bằng nhau là hình bình hành.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">4) Tứ giác có các góc đối bằng nhau là hình bình hành.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">5) Tứ giác có hai đường chéo cắt nhau tại trung điểm của mỗi đường là hình bình hành.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt; font-weight: 640;">- Hình chữ nhật:</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">1) Tứ giác có ba góc vuông là hình chữ nhật.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">2) Hình thang cân có một góc vuông là hình chữ nhật.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">3) Hình bình hành có một góc vuông là hình chữ nhật.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">4) Hình bình hành có hai đường chéo bằng nhau là hình chữ nhật.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt; font-weight: 640;">- Hình thoi:</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">1) Tứ giác có bốn cạnh bằng nhau là hình thoi.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">2) Hình bình hành có hai cạnh kề bằng nhau là hình thoi.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">3) Hình bình hành có hai đường chéo vuông góc với nhau là hình thoi.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">4) Hình bình hành có một đường chéo là đường phân giác của một góc là hình thoi.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt; font-weight: 640;">- Hình vuông:</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">1) Hình chữ nhật có hai cạnh kề bằng nhau là hình vuông.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">2) Hình chữ nhật có hai đường chéo vuông góc với nhau là hình vuông.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">3) Hình chữ nhật có một đường chéo là đường phân giác của một góc là hình vuông.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">4) Hình thoi có một góc vuông là hình vuông.</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-family: "times new roman", times; font-size: 14pt;">5) Hình thoi có hai đường chéo bằng nhau là hình vuông.</span></p></div></div>

Nêu các dấu hiệu nhận biết hình bình hành, hình chữ nhật, hình thoi, hình vuông.

TRẢ LỜI: Giải bởi Vietjack Dấu hiệu nhận biết: - Hình bình hành: 1) Tứ giác có các cạnh đối song song là hình bình hành. 2) Tứ giác có các...

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Công nghệ 8 HK1 Tự luận

<p><span style="font-family: times; font-size: medium;"> </span></p><div style="background-color: white; color: #333333;"><table cellpadding="0" cellspacing="0" hspace="0" style="height: 732px; width: 647px;" vspace="0"><tbody><tr><td align="left" height="732" style="padding: 0cm;" valign="top"><p class="Bodytext0" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; line-height: 11.64px;"><b><span style="font-family: times; font-size: medium;">TỰ LUẬN:</span></b></p><p class="Bodytext0" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; line-height: 11.64px; margin-left: 37pt; text-align: justify;"><span style="font-family: times; font-size: medium;">- Đọc được Phần kích thước trong bàn vẽ nhà (Hình 3.4; Hình 3.6 trong SGK). </span></p><p class="Bodytext0" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; line-height: 11.64px; margin-left: 37pt; text-align: justify;"></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhramvD7gXfEY5hP3Mii7D10HkqvtqstwTheIOGxipcS9Eq30DynRl5oto8u3_WLlzs00Me7D5Os44uvFKLkS4El9bvKMNoMtdOAVUNriHfnya3X3JLOyxJrXnUqrna9e7kuh97KxI61zkuggVCCeI__QHgqtgZTTmh7GlCDgzdILSzZipopiq4HkG03kA/s568/3.4.jpg" style="color: #01b1d3; margin-left: 1em; margin-right: 1em; text-decoration-line: none;"><span style="font-family: times; font-size: medium;"><img border="0" data-original-height="427" data-original-width="568" height="482" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhramvD7gXfEY5hP3Mii7D10HkqvtqstwTheIOGxipcS9Eq30DynRl5oto8u3_WLlzs00Me7D5Os44uvFKLkS4El9bvKMNoMtdOAVUNriHfnya3X3JLOyxJrXnUqrna9e7kuh97KxI61zkuggVCCeI__QHgqtgZTTmh7GlCDgzdILSzZipopiq4HkG03kA/w640-h482/3.4.jpg" style="border-width: 0px; height: auto; max-width: 100%;" width="640" /></span></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; color: green; font-weight: 640;">Trả lời:</span></p><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">* Đọc bản vẽ chi tiết ở Hình 3.4 theo trình tự như các bước ở Bảng 3.1:</span></p><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="background-color: transparent; border-collapse: collapse; border-spacing: 0px; color: #313131; font-family: "Open Sans", Arial, sans-serif; font-size: 16px;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700;">Trình tự đọc</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700;">Nội dung đọc</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700;">Kết quả</span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">1. Khung tên</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Tên gọi chi tiết</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Vật liệu chế tạo</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Tỉ lệ</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Ke góc</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Thép</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- 1:1</span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">2. Hình biểu diễn</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">Tên gọi các hình chiếu</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">Hình chiếu đứng, hình chiếu bằng, hình chiếu cạnh.</span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">3. Kích thước</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Kích thước chung</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Kích thước bộ phận</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Dài 60 mm, rộng 40 mm, cao 60 mm.</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Dày 10 mm, khoét lỗ đường kính 20 mm.</span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">4. Yêu cầu kĩ thuật</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Yêu cầu về gia công</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Yêu cầu xử lí bề mặt</span></p></td><td style="box-sizing: border-box; padding: 0px;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Làm cùn cạnh sắc</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box;">- Mạ kẽm</span></p><div><span style="box-sizing: border-box;"><br /></span></div></td></tr></tbody></table></div><span style="font-family: times; font-size: medium;"><br /></span><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUXAeczL6RjSN5hayRY-VDmX2INHmDqgLljnPgCrPRu3549jhlq8W68tDNBHMpp9-PBuM5jZBBwFSKaYH39rm5AhwwgVU0gggBTLYN1-PPAKj05egtYeHpwZYq1LSwnn6C4-XnLpTRV8oaeTgre6kqpuFj1xXu1U2oHKRBUR8OYG0TsABeffLP15bPGUU/s407/3.jpg" style="color: #01b1d3; margin-left: 1em; margin-right: 1em; text-decoration-line: none;"><span style="font-family: times; font-size: medium;"><img border="0" data-original-height="351" data-original-width="407" height="522" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUXAeczL6RjSN5hayRY-VDmX2INHmDqgLljnPgCrPRu3549jhlq8W68tDNBHMpp9-PBuM5jZBBwFSKaYH39rm5AhwwgVU0gggBTLYN1-PPAKj05egtYeHpwZYq1LSwnn6C4-XnLpTRV8oaeTgre6kqpuFj1xXu1U2oHKRBUR8OYG0TsABeffLP15bPGUU/w605-h522/3.jpg" style="border-width: 0px; height: auto; max-width: 100%;" width="605" /></span></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><p style="box-sizing: border-box; font-family: "Open Sans", Arial, sans-serif; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; color: green; font-weight: 640;">Trả lời:</span></p><table border="1" cellpadding="0" cellspacing="0" class="table table-bordered" style="background-color: transparent; border-collapse: collapse; border-spacing: 0px; border: 1px solid rgb(221, 221, 221); color: #313131; font-family: "Open Sans", Arial, sans-serif; font-size: 16px; margin-bottom: 20px; max-width: 100%; width: 575px;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;"><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700;">Trình tự đọc</span></p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700;">Nội dung đọc</span></p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700;">Kết quả đọc bản vẽ nhà một tầng</span></p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; font-weight: 700;">(Hình 3.6)</span></p></td></tr><tr style="box-sizing: border-box;"><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">Bước 1. Khung tên</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Tên của ngôi nhà</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Tỉ lệ bản vẽ</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Nhà một tầng</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Tỉ lệ: 1: 50</p></td></tr><tr style="box-sizing: border-box;"><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">Bước 2. Hình biểu diễn</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">Tên gọi các hình biểu diễn</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Mặt đứng A – A</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Mặt cắt B – B</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Mặt bằng</p></td></tr><tr style="box-sizing: border-box;"><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">Bước 3. Kích thước</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Kích thước chung</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Kích thước từng bộ phận</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Dài 7700, rộng 7000, cao 4500</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Kích thước từng bộ phận:</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">+ Phòng khách: 4600 x 3100</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">+ Phòng ngủ: 4600 x 3100</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">+ Nhà vệ sinh: 3100 x 1500</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">+ Bếp và phòng ăn: 5500 x 3100</p></td></tr><tr style="box-sizing: border-box;"><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">Bước 4. Các bộ phận chính</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Số phòng</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Số của đi và cửa sổ</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- Các bộ phận khác</p></td><td style="border: 1px solid rgb(221, 221, 221); box-sizing: border-box; line-height: 1.42857; padding: 8px; vertical-align: top;"><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- 3 phòng</p><p style="box-sizing: border-box; color: black; font-size: 18px; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;">- 3 cửa đi đơn 1 cánh, 1 cửa đi đơn 2 cánh, 6 cửa sổ và 1 cửa chớp.</p></td></tr></tbody></table></div><span style="font-family: times; font-size: medium;"><br /><br /></span><p></p><p class="Bodytext0" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; line-height: 11.64px; margin-left: 37pt; text-align: justify;"><span style="font-family: times; font-size: medium;">- Vật liệu làm ra các sản phẩm (Phần Luyện tập/32/SGK).</span></p><p style="box-sizing: border-box; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;"><span style="box-sizing: border-box; color: green; font-weight: 640;">Luyện tập trang 32 Công nghệ 8: </span><span style="box-sizing: border-box;">Các sản phẩm sau thường được chế tạo từ những loại vật liệu nào?</span></span></p><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border-spacing: 0px; color: #313131;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;"><td rowspan="3" style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Vật dụng</span></span></p></td><td colspan="5" style="box-sizing: border-box; padding: 0px;" valign="top" width="708"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Vật liệu</span></span></p></td></tr><tr style="box-sizing: border-box;"><td colspan="2" style="box-sizing: border-box; padding: 0px;" valign="top" width="283"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Kim loại</span></span></p></td><td colspan="3" style="box-sizing: border-box; padding: 0px;" valign="top" width="425"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Phi kim loại</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Kim loại đen</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Kim loại màu</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Chất dẻo nhiệt</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Chất dẻo nhiệt rắn</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Cao su</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Lưỡi dao, kéo</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Nồi, chảo</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Khung xe đạp</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Vỏ tàu, thuyền</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Vỏ ổ cắm điện</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Săm (ruột) xe đạp</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">?</span></span></p></td></tr></tbody></table><p style="box-sizing: border-box; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: justify;"><span style="box-sizing: border-box; color: green; font-weight: 640;"><span style="font-family: times; font-size: medium;">Trả lời:</span></span></p><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border-spacing: 0px; color: #313131;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;"><td rowspan="3" style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Vật dụng</span></span></p></td><td colspan="5" style="box-sizing: border-box; padding: 0px;" valign="top" width="708"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Vật liệu</span></span></p></td></tr><tr style="box-sizing: border-box;"><td colspan="2" style="box-sizing: border-box; padding: 0px;" valign="top" width="283"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Kim loại</span></span></p></td><td colspan="3" style="box-sizing: border-box; padding: 0px;" valign="top" width="425"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Phi kim loại</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Kim loại đen</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Kim loại màu</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Chất dẻo nhiệt</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Chất dẻo nhiệt rắn</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box; font-weight: 700;"><span style="font-family: times; font-size: medium;">Cao su</span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Lưỡi dao, kéo</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">×</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Nồi, chảo</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">×</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Khung xe đạp</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">×</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Vỏ tàu, thuyền</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">×</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Vỏ ổ cắm điện</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">×</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td></tr><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">Săm (ruột) xe đạp</span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;"> </span></span></p></td><td style="box-sizing: border-box; padding: 0px;" valign="top" width="142"><p style="box-sizing: border-box; color: black; line-height: 24px; margin: 0px 0.2em 1em; overflow-wrap: break-word; padding: 0px; text-align: center;"><span style="box-sizing: border-box;"><span style="font-family: times; font-size: medium;">×</span></span></p></td></tr></tbody></table><p class="Bodytext0" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; line-height: 11.64px; text-indent: 37pt;"><span style="font-family: times; font-size: medium;"><b>- Nhận diện khối đa diện, khối tròn xoay</b></span></p><p class="Bodytext0" style="background-attachment: initial; background-clip: initial; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; line-height: 11.64px; text-indent: 37pt;"><span style="font-family: times; font-size: medium;"><br /></span></p></td></tr></tbody></table><br /></div><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;"><b>KHỐI TRÒN XOAY</b></span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;">khi quay  hình chữ nhật một vòng quanh cố định, ta được một hình trụ</span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;">khi quay hình tam giác vuông một cạnh góc cố định, ta được một hình nón</span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;">khi quay nửa hình cầu quanh một đường kính cố định ta được một hình cầu</span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;"><b>KHỐI ĐA DIỆN </b></span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;">KHỐI ĐA DIỆN ĐƯỢC BAO QUANH BỞI CÁC HÌNH ĐA GIÁC PHẲNG</span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;">GIẢI THÍCH</span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;"><b>NHẬN DANG KHỐI ĐA DIỆN THƯỜNG GẶP:</b></span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;">hình hộp chữ nhật, hình lăng trụ đều, hình chóp đều</span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;"><b>NHẬN DẠNG CÁC KHỐI TRÒN XOAY:</b></span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;">hình trụ, hình nón, hình cầu</span></p><p style="background-color: white; color: #262626; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="font-family: times; font-size: medium;"><br /></span></p><p style="background-color: white; color: #333333; margin: 0px 0px 8px; padding: 0px; text-align: justify;"><span style="color: #262626;"><a href="https://hoc24.vn/cau-hoi/hinh-chieu-cua-cac-khoi-da-dien-khoi-tron-xoay.203331929487" style="color: #01b1d3; text-decoration-line: none;" target="_blank"><span style="font-family: times; font-size: medium;">https://hoc24.vn/cau-hoi/hinh-chieu-cua-cac-khoi-da-dien-khoi-tron-xoay.203331929487</span></a></span></p>

Công nghệ 8 HK1 Tự luận

TỰ LUẬN: - Đọc được Phần kích thước trong bàn vẽ nhà (Hình 3.4; Hình 3.6 trong SGK). Trả lời: * Đọc bản vẽ chi tiết ở Hình 3.4 theo trình...

+ Đọc thêm »

Công nghệ 8 HK1 Trắc nghiệm

<p> </p><div class="box-question">
<div class="question">
<h3> <b>  Câu I. Khi chiếu một vật thể lên một mật phẳng, hình nhận được trên mặt phẳng đó gọi là: </b> </h3>
<ul>
<li> Vật chiếu </li>	
<li> Mặt phẳng chiếu </li>
 <li> Vật thể </li>	
<li class="correct"> Hình chiếu </li>
</ul>
<p>  </p>
<h3><b> Câu 2. Điểm A của vật thể có hình chiếu là điểm A' trên mặt phẳng. Vậy đuờng thẳng OAA' gọi: </b> </h3>
<ul>
<li> Đường thẳng chiếu </li>	
<li> Đường chiếu </li>
 <li class="correct"> Tia chiếu </li>	
<li> Đoạn chiếu </li>
</ul>
<p>  </p>
<h3><b> Câu 3. Hình lăng trụ đều được bao bởi các hình gì?</b></h3>
<ul>
<li> Hình chữ nhật và hình tròn   </li>	
<li class="correct">  Hình chữ nhật và tam giác đều </li>
 <li> Hình chữ nhật và đa giác đều </li>	
<li> Đa giác đều và hình tam giác cân </li>
</ul>
<p>  </p>
<h3><b> Câu 4. Hình hộp chữ nhật được bao bởi những hình gì? </b></h3>
<ul>
<li> Hình tam giác </li>	
<li class="correct"> Hình chữ nhật </li>
 <li> Hình lục giác </li>	
<li> Hình bình hành </li>
</ul>
<p>  </p>
<h3><b> Câu 5. Bản vẽ dưới đây là hình chiếu vuông góc của

</b></h3>
<ul>
<li class="correct"> Hình nón </li>	
<li> Hình chóp tam giác đều </li>
 <li> Hình trụ </li>	
<li> Hình lăng trụ tam giác đều. </li>
</ul>
<p>  </p>
<h3><b> Câu 6. Bản vẽ hình chiếu dưới đây tương ứng với vật thể nào?<br><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgq5a9P26biFml31YW_k814iI_mmo4op1W1J120ra0cXzyh-DK4NMaDUUnfWdsRlRjOAYJ1DEOrPFvtImZPJiJ2CraXDnVeDmUKviGFqCPTkc45InoqgkMXO8iSdnmPkLUHi-u5dg4Rz_o5wQalstNL3zNNgFMoeXjUKzgW1VqDmjQbP0adBAjiKkJhEi0/s91/E.jpg" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" data-original-height="91" data-original-width="52" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgq5a9P26biFml31YW_k814iI_mmo4op1W1J120ra0cXzyh-DK4NMaDUUnfWdsRlRjOAYJ1DEOrPFvtImZPJiJ2CraXDnVeDmUKviGFqCPTkc45InoqgkMXO8iSdnmPkLUHi-u5dg4Rz_o5wQalstNL3zNNgFMoeXjUKzgW1VqDmjQbP0adBAjiKkJhEi0/s320/E.jpg"/></a></div> </b></h3>
<ul>	
<li> <div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHYBWQLSkBqM_r9tpjX0EkLDAqsuNDCNA_iCYMahC5jaQ0rXDM623D88TxqpaR2qrG-vuJiH-Ux7SIaJ9Z0unCsydg6UayN-cw0xND84XPLR0pDx8p9BTG7x79ofg0JWk6PdQMkduoIwdeJzQg9WSIf8AxZKSArMdgxMDXPaK6hgDYqbWPsTF1O9k8q4w/s51/B.jpg" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" data-original-height="51" data-original-width="45" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHYBWQLSkBqM_r9tpjX0EkLDAqsuNDCNA_iCYMahC5jaQ0rXDM623D88TxqpaR2qrG-vuJiH-Ux7SIaJ9Z0unCsydg6UayN-cw0xND84XPLR0pDx8p9BTG7x79ofg0JWk6PdQMkduoIwdeJzQg9WSIf8AxZKSArMdgxMDXPaK6hgDYqbWPsTF1O9k8q4w/s320/B.jpg"/></a></div> </li>
 <li class="correct"> <div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi859_p9BF2Fwv-xQQ-5xa-6yyBmee3Geo3uCEIPmM_YzJ2S20vYlpKSZup2pLmff7s9JnUwQ-eRjnxatlg3EEOoayi18mH0Nq4cuNkmgtUcgrUXHXwcbzPX8zz8oOqZfZVRzzIvbuzEXn-IHlBgQz7UX1uLLiOHaJe3UYWdmClWSZNeLk4rY_fFFXEpSM/s56/A.jpg" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" data-original-height="56" data-original-width="52" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi859_p9BF2Fwv-xQQ-5xa-6yyBmee3Geo3uCEIPmM_YzJ2S20vYlpKSZup2pLmff7s9JnUwQ-eRjnxatlg3EEOoayi18mH0Nq4cuNkmgtUcgrUXHXwcbzPX8zz8oOqZfZVRzzIvbuzEXn-IHlBgQz7UX1uLLiOHaJe3UYWdmClWSZNeLk4rY_fFFXEpSM/s320/A.jpg"/></a></div></li>	
<li> <div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHn2k77zp5kdr_m-Bj98Uv9iP-6DwIZfjgzeU0ttz9aHgY7S39ZCHMtg1qK-HYyEA1XZd7Sx0xy5PC8ebxR7QCVttdJLbG-JaY7eDJ6QTKZf0wiIdzMuEeYb6OS0kSsbrNom7it_OPQtcgqRTpVFxomIlBspSMgG1QtnR48F0TzSp5Md_FBL9xkVQszH0/s50/C.jpg" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" data-original-height="50" data-original-width="46" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHn2k77zp5kdr_m-Bj98Uv9iP-6DwIZfjgzeU0ttz9aHgY7S39ZCHMtg1qK-HYyEA1XZd7Sx0xy5PC8ebxR7QCVttdJLbG-JaY7eDJ6QTKZf0wiIdzMuEeYb6OS0kSsbrNom7it_OPQtcgqRTpVFxomIlBspSMgG1QtnR48F0TzSp5Md_FBL9xkVQszH0/s320/C.jpg"/></a></div> </li>
<li> <div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSNUjQohceBGRrlphkr3zU8rRziSA-6yAi3cuVHDf96agpRI4-FXcF9b30KwqMqePFZcI8cX0YDG68LUXLbAfS_gUosWjGCGFcYH7aoBvNggdRzuUnBv10YvEbsV_T_XTBac9PSzRHTExi1WROsMmuqFlG2sm8lQMEDKHy8zclTs24ampKYjoysb6qYP0/s54/D.jpg" style="display: block; padding: 1em 0; text-align: center; "><img alt="" border="0" data-original-height="54" data-original-width="47" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSNUjQohceBGRrlphkr3zU8rRziSA-6yAi3cuVHDf96agpRI4-FXcF9b30KwqMqePFZcI8cX0YDG68LUXLbAfS_gUosWjGCGFcYH7aoBvNggdRzuUnBv10YvEbsV_T_XTBac9PSzRHTExi1WROsMmuqFlG2sm8lQMEDKHy8zclTs24ampKYjoysb6qYP0/s320/D.jpg"/></a></div> </li>
</ul>
<p>  </p>
<h3><b> Câu 7. Hình chiếu đứng củạ hình hộp chữ nhật có kích thước:

</b></h3>
<ul>
<li> Dài. rộng </li>	
<li class="correct"> Dài. cao  </li>
 <li> Rộng, cao </li>	
<li> Dài. rộng, cao </li>
</ul>
<p>  </p>
<h3><b> Câu 8. Bước đầu tiên trong qui trình vẽ hình chiếu vuông góc của vật thể

</b></h3>
<ul>
<li> Xác định các hướng chiếu. </li>	
<li class="correct"> Xác định đặc điếm hình dạng, kích thước vật thể.   </li>
 <li> Xác định vị trí, tỉ lệ các hình chiếu trên giấy vẽ. </li>	
<li> Vẽ các hình chiếu. </li>
</ul>
<p>  </p>
<h3><b> Câu 9. Bước thứ hai trong qui trình vẽ hình chiếu vuông góc của vật thể

</b></h3>
<ul>
<li> Xác định đặc điểm hình dạng, kích thước vật thể. </li>	
<li> Xác định vị trí, tỉ lệ các hình chiếu trên giấy vẽ. </li>
 <li class="correct"> Xác định các hướng chiếu. </li>	
<li> Vẽ các hình chiếu. </li>
</ul>
<p>  </p>
<h3><b> Câu 10. Hình chiếu bằng của hình hộp chữ nhật có kích thước:

</b></h3>
<ul>
  <li> Dài. cao </li>	
  <li> Rộng, cao </li>
  <li class="correct"> Dài, rộng  </li>	
  <li> Dài. rộng, cao </li>
</ul>
<h3> <b>  Câu 11. Các nội dung của bản vẽ lắp bao gồm:

</b> </h3>
<ul>
<li> Hình biểu diễn, kích thước, yêu cầu kĩ thuật, khung tên. </li>	
<li> Hình biêu diễn, kích thước, khung tên. </li>
 <li> Hình biểu diễn, kích thước, yêu cầu kĩ thuật. </li>	
<li class="correct"> Hình biểu diễn, kích thước, bảng kê. khung tên. </li>
</ul>
<p>  </p>
<h3><b>Câu 12. Em sẽ đọc bản vẽ lắp theo trình tự nào?

</b> </h3>
<ul>
<li> Hình biểu diễn $\rightarrow$ Khung tên $\rightarrow$ Bảng kê $\rightarrow$ Kích thước $\rightarrow$ Phân tích chi tiết $\rightarrow$Tổng hợp </li>	
<li> Khung tên $\rightarrow$ Bảng kê $\rightarrow$ Kích thước $\rightarrow$ Hình biểu diễn $\rightarrow$ Phân tích chi tiết $\rightarrow$ Tổng hợp. </li>
 <li class="correct"> Khung tên $\rightarrow$ Bảng kê $\rightarrow$ Hình biểu diễn $\rightarrow$ Kích thước $\rightarrow$ Phân tích chi tiết $\rightarrow$ Tổng hợp. </li>	
<li> Hình biểu diễn $\rightarrow$ Bảng kê $\rightarrow$ Khung tên $\rightarrow$ Kích thước $\rightarrow$ Tổng hợp $\rightarrow$ Phân tích chi tiết. </li></ul>

<h3><b> Câu 13. Bản vẽ chi tiết không có nội dung nào so với bản vẽ lắp?

</b></h3>
<ul>
<li> Kích thước. </li>	
<li> Khung tên </li>
 <li> Hình biểu diễn </li>	
<li class="correct"> Bảng kê. </li>
</ul>
<p>  </p>
<h3><b> Câu 14. Bản vẽ chi tiết dưới đây gồm có những nội dung chính nào?

</b></h3>
<ul>
<li> Hình biểu diễn, kích thước, báng kê, khung tên. </li>	
<li> Hình biểu diễn, kích thước, yêu cầu kĩ thuật.  </li>
 <li> Hình biểu diễn, kích thước, khung tên. </li>	
<li class="correct"> Hình biểu diễn, kích thước, yêu cầu kì thuật, khung tên. </li>
</ul>
<p>  </p>
<h3><b> Câu 15. Mặt cắt biểu diễn các bộ phận và kích thước của ngôi nhà theo:

</b></h3>
<ul>
<li> Chiều dài </li>	
<li class="correct"> Chiều cao </li>
 <li> Chiều rộng </li>	<li> Chiều ngang </li>
</ul>
<p>  </p>
<h3><b>Câu 16. Hình biểu diễn quan trọng nhất của bản vẽ nhà là: .

</b></h3>
<ul>
  <li> Mặt đứng </li>	 
 <li> Mặt cắt </li>
  <li> Mặt ngang </li> 	 	 
<li class="correct"> Mặt bằng  </li>
</ul>
<p>  </p>
<h3><b> Câu 17. Mặt đúng biểu diễn hình dạng:

</b></h3>
<ul>
<li> Bên trong ngôi nhà </li>	
<li class="correct"> Bên ngoài ngôi nhà </li>
 <li> Bên dưới ngôi nhà </li>	
<li> Bên trên ngôi nhà </li>
</ul>
<p>  </p>
<h3><b> Câu 18. Trên bán vẽ nhà có hình biểu diễn:

</b></h3>
<ul>
<li class="correct"> Mặt đứng, mặt bằng, mặt cắt </li>	
<li> Mặt bằng  </li>
 <li> Mặt đứng </li>	
<li> Mặt cắt. mặt đứng </li>
</ul>
<p>  </p>
<h3><b>Câu 19. Vật liệu phi kim loại được sứ dụng phổ biến

</b></h3>
<ul>
<li> Kim loại màu </li>	
<li class="correct"> Chất dẻo. cao su </li>
 <li> Kim loại đen </li>	
<li> Vật liệu tổng hợp </li>
</ul>
<p>  </p>
<h3><b> Câu 20. Căn cứ vào tính chất, vật liệu chia làm hai nhóm:

</b></h3>
<ul>
<li> vật liệu kim loại, vật liệu phi kim loại, vật liệu tổng hợp </li>	
<li class="correct"> vật liệu kim loại, vật liệu phi kim loại </li>
 <li> vật liệu kim loại, vật liệu tong hợp  </li>	
<li> vật liệu phi kim loại, vật liệu tổng hợp </li>
</ul>
<p>  </p>
  <h3> <b> Câu 21. Đâu không phải tính chất kim loại màu?

</b> </h3>
<ul>
<li> Dẫn nhiệt tốt </li>	
<li> Dẫn điện tốt     </li>
 <li> Dễ gia công </li>	
<li class="correct"> Khả năng chống ăn mòn thấp  </li>
</ul>
<p>  </p>
<h3><b> Câu 22. Đâu là tính chất của cao su?

</b> </h3>
<ul>
<li> Có nhiệt độ nóng chảy thấp, nhẹ, deo, không dẫn điện, không bị oxi hóa. ít bị hóa chất tác dụng. </li>	
<li> Độ bền cao. dễ kéo dài thành sợi hay dát mỏng, tính dẫn điện, dẫn nhiệt tốt. </li>
 <li class="correct"> Có tính đàn hồi cao, khả năng giảm chấn tốt, cách điện và cách âm tốt. </li>	
<li> Có màu trắng sáng, cứng, dẻo, dễ gia công, dễ bị oxi hóa. Khi bị oxi hóa sẽ chuyên sang màu nâu. </li>
</ul>
<p>  </p>
<h3><b> Câu 23. Tại sao kim loại đen dễ bị gỉ sét?

</b></h3>
<ul>
<li> Trong thành phần có than </li>	
<li> Vì kim loại đen cứng </li>
 <li> Vì kim loại đen thường có màu đen </li>	
<li class="correct"> Trong thành phần có sắt </li>
</ul>
<p>  </p>
<h3><b> Câu 24: Tì lệ carbon càng cao thì vật liệu càng

</b></h3>
<ul>
<li> Mềm và dẻo </li>	
<li> Cứng và dẻo </li>
 <li> Mềm và giòn      </li>	
<li class="correct"> Cứng và giòn </li>
</ul>
<p>  </p>
<h3><b>Câu 25. Thép có tỉ lệ carbon:

</b></h3>
<ul>
<li> < 2,14%  </li>	
<li class="correct"> ≤ 2,14%   </li>
 <li> > 2,14   </li>	<li>  ≥ 2,14% </li>
</ul>
<p> Vì > 2,14% là gang. </p>
<h3><b> Câu 26. Gang có tỉ lệ carbon:

</b></h3>
<ul>
<li> ≥ 2,14%  </li>
<li> ≤ 2,14%  </li>  
<li> = 2,14%  </li>	   	 	 
<li class="correct"> > 2,14  </li>
</ul>
<p>  </p>
<h3><b> Câu 27. Tính chất nào là tính chất cơ học của vật liệu cơ khí?

</b></h3>
<ul>
<li> Tính dẫn điện </li>	
<li class="correct"> Tính cứng </li>
 <li> Tính dẫn nhiệt  </li>	
<li> Tính chịu acid </li>
</ul>
<p>  </p>
<h3><b> Câu 28. Theo tính chất, chất dẻo được chia ra làm các loại nào?

</b></h3>
<ul>
<li class="correct"> Chất dẻo nhiệt, chất dẻo nhiệt rắn </li>	
<li> Chất dẻo nhiệt, chất dẻo nhiệt rắn. cao su nhân tạo </li>
 <li> Chất dẻo nhiệt, cao su nhân tạo </li>	
<li> Chất dẻo nhiệt rắn. cao su nhân tạo </li>
</ul>
<p>  </p>

</div>
<div class="result"><span class="message"> Hãy trả lời các câu hỏi để biết kết quả của bạn </span></div>
</div>

Công nghệ 8 HK1 Trắc nghiệm

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