—Jack can't concentrate on his lessons recently.   — Yes, that might____why he did so badly in the last test.     

试卷相关题目

• 1Mary's illness ____ her absence. So don't scold her.    

  A.showed

  B.accounts for

  C.explains

  D.gives out

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• 2— I'm surprised to  hear that Sue and Paul have ____.  — So am I. They seemed very happy together when I last saw them.     

  A.broken up

  B.finished up

  C.divided up

  D.closed up

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• 3We must do something to _____ the factories sending out   poisonous gases so as to keep the city_____.       

  A.keep; being polluted

  B.keep; from being polluted

  C.prevent; being polluted

  D.prevent; from being polluted

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• 4We are all curious about what the astronauts have to____ when they try to drink waterwhile standing on their heads.       

  A.do with

  B.deal with

  C.treat about

  D.get rid of

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• 5The speed of cars and trucks is _____ 30 kilometers per hour in large cities in Chin

  A.A.limited

  B.limiting

  C.limiting to

  D.limited to

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• 6After that,  he knew he could ___any emergency by doing what he could to the best of his ability.       

  A.get away with

  B.get on with

  C.get through

  D.get across

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• 7Considering the recent dangerous situation, safety locks are required to be equipped to prevent houses from being ____.     

  A.broken in

  B.broken into

  C.broken up

  D.broken off

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• 8Though he was unwilling to try again, he decided to _______ by my advice.     

  A.take chances

  B.take risks

  C.take place

  D.take apart

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• 9If the world becomes less unfair and people have better education, much of the poverty can be ____.

  A.taken out

  B.left out

  C.wiped out

  D.put out

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• 10Many of the world's plants and animals have already _______  , and several other species are endangered.     

  A.died away

  B.died out

  C.died down

  D.died off

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