It's the sort of work that________a high level of concentration.       

试卷相关题目

• 1Hasn't the $10 you lent me________?

  A.been paid back

  B.paid for

  C.paid off

  D.been paid for

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• 2After losing $20,000 on my last business, I'm not________ this time.

  A.taking a chance

  B.taking away

  C.taking on

  D.taking off

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• 3Sydney promised her that he would always do anything he could for her to ________ of her happiness.

  A.making sure

  B.be sure

  C.being sure

  D.make sure

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• 4It is certain that all the terrorists are bound to ________ a terrible fate.

  A.meet with

  B.deal with

  C.do with

  D.put up with

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• 5As a new learner of English，when you do some reading，you'd better________a dictionary.

  A.look up

  B.look through

  C.refer to

  D.depend on

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• 6He likes to ________ others, which makes them unhappy.     

  A.make up for

  B.make fun of

  C.make a fun of

  D.make fun to

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• 7With no one to ________ in such a frightening situation, she felt very helpless.      

  A.turn to

  B.turn on

  C.turn off

  D.tum over

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• 8The final examination is coming up soon. It's time for us to ________ our studies.     

  A.get down to

  B.get out

  C.get back for

  D.get over

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• 9They have discussed for several years of drafting a new law to control the pollution, but whenit will be ________ is still unknown.     

  A.put into operation

  B.put in effect

  C.put to use

  D.put to effect

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• 10Generally speaking,the limits of a person's intelligence are fixed at birth,but whether or not he reaches those limits will ________ his environment.

  A.depends on

  B.rely onC .feed onD.be depended on

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