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(距离).
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.
【小题1】 |
|
【小题2】 |
|
【小题3】 |
|
【小题4】 |
|
【小题5】 |
|
【小题6】 |
|
【小题7】 |
|
【小题8】 |
|
【小题9】 |
|
【小题10】 |
|
【小题1】D
【小题2】B
【小题3】A
【小题4】C
【小题5】A
【小题6】D
【小题7】D
【小题8】A
【小题9】B
【小题10】D
解析【小题1】此题考查动词,根据语境可知选择D,表示经常听到某人在谈论工作,而listen是不及物动词。
【小题2】此题考查动词短语tell sb about sth 表示告诉某人某件事情。
【小题3】此题考查连词,引导让步状语从句,故选though表示尽管。
【小题4】此题考查固定句型结构too…to…表示太…而不能…。
【小题5】此题考查固定短语be afraid to do sth表示害怕做某事。
【小题6】此题考查介词,根据语境可知表示在科学上来讲。没有距离就没有功。
【小题7】此题考查代词,用在否定句中表示没有做任何工作。
【小题8】此题考查连词if表示如果。
【小题9】此题考查短语ask oneself表示自问。
【小题10】前文是一个一般疑问句,应用yes或no来回答表示肯定或否定。
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