You have often __1__ people talk about work. Perhaps you have __2__ your friends about how hard you worked to get something done. However, you may have done no work __3_ you think you worked hard.
A boy is pushing a big box very hard, but the box is __4__ heavy for him to move and he may __5__ to push against the box. __6__ the language of science, he has not done __7__ work. Can you think you are working when you are studying or talking?
In science, work is only done when a force(力) moves something that has weight through a distance(距離).
Work =" force" × distance moved.
__8_ you want to find out whether work is done, _9_ yourself, “Is a push or a pull moving something through a distance?” If your answer is __10_, then work is being done.
【小題1】 |
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【小題2】 |
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【小題3】 |
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【小題4】 |
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【小題5】 |
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【小題6】 |
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【小題7】 |
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【小題8】 |
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【小題9】 |
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【小題10】 |
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【小題1】D
【小題2】B
【小題3】A
【小題4】C
【小題5】A
【小題6】D
【小題7】D
【小題8】A
【小題9】B
【小題10】D
解析【小題1】此題考查動(dòng)詞,根據(jù)語境可知選擇D,表示經(jīng)常聽到某人在談?wù)摴ぷ鳎鴏isten是不及物動(dòng)詞。
【小題2】此題考查動(dòng)詞短語tell sb about sth 表示告訴某人某件事情。
【小題3】此題考查連詞,引導(dǎo)讓步狀語從句,故選though表示盡管。
【小題4】此題考查固定句型結(jié)構(gòu)too…to…表示太…而不能…。
【小題5】此題考查固定短語be afraid to do sth表示害怕做某事。
【小題6】此題考查介詞,根據(jù)語境可知表示在科學(xué)上來講。沒有距離就沒有功。
【小題7】此題考查代詞,用在否定句中表示沒有做任何工作。
【小題8】此題考查連詞if表示如果。
【小題9】此題考查短語ask oneself表示自問。
【小題10】前文是一個(gè)一般疑問句,應(yīng)用yes或no來回答表示肯定或否定。
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