China has______ in producing clones of cows and goats, and continues to research ways _____ can benefit mankind.

试卷相关题目

• 1Once natural resources _____ , the consequence will be unimaginable

  A.use up

  B.run out

  C.are given out

  D.run out of

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• 2He devoted all the money he had _________a school

  A.set up

  B.to set up

  C.to setting up

  D.setting up

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• 3A completely new situation is likely to ________ when the new law comes into effect

  A.arise

  B.rise

  C.raise

  D.rose

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• 4Having seen the X-ray, the doctor decided to ________ the patient

  A.operate

  B.operate on

  C.work

  D.work on

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• 5He will come to understand your efforts sooner or later. It's just a ________of time

  A.criterion

  B.patent

  C.variety

  D.matter

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• 6---Are you free after school? ---Sorry, I've planned to treat a friend of mine to dinner ______ for help.

  A.in order

  B.in return

  C.in turn

  D.in honor

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• 7Traditionally, college students hold a graduation ceremony to encourage themselves before they _____ on their life journey

  A.give up

  B.settle down

  C.get through

  D.set off

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• 8My chest _______ when I make a deep breath, doctor.

  A.harms

  B.hurts

  C.wounds

  D.injures

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• 9I can hardly imagine ______ little children can work out the problem in _____ short a time

  A.so; such

  B.such; such

  C.so; so

  D.such; so

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• 10Who would you rather ______ with the teacher about the problem?

  A.talking

  B.talk

  C.have talked

  D.have talk

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