China has ______ in producing clones of cows and goats, and continues to research ways _______ can benefit mankind.

试卷相关题目

• 1Most Chinese car makers are years behind their western counterparts _______ quality, technology and service.

  A.in terms of

  B.in need of

  C.in favor of

  D.in praise of

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• 2—Have you heard that he was admitted into Beijing University? —Is that true? And I'm glad that his efforts at last _________．

  A.took off

  B.paid off

  C.turned out

  D.paid for

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• 3---- My brother is not good at speaking English. ---- I suggest ______ English for two hours every day.

  A.he practice speaking

  B.him to speak

  C.he speaking

  D.his practicing to speak

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• 4If you just spend your time _________ gains and losses, maybe you'll get nothing in the end．

  A.checking

  B.weighing

  C.balancing

  D.examining

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• 5People generally believe that women are more emotional than men, but in my experience that often is not the______.

  A.stage

  B.case

  C.view

  D.point

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• 6Hardly could he _______this amount of work in such a short time.

  A.get through

  B.get off

  C.get into

  D.get down

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• 7He is _________ about his chances of winning a gold medal in the Olympics next year.

  A.optimistic

  B.optional

  C.optimal

  D.obsessed

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• 8One way for students to prevent H7N9 flu virus is to open the windows of the classroom to allow the air to ________.

  A.accumulate

  B.circulate

  C.illustrate

  D.accelerate

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• 9I know he hasn't finished his homework, but ______, he has done his best.

  A.at all

  B.in all

  C.after all

  D.above all

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• 10---How much does this store often _______ for such large eggs ? --- Only $ 65 US cents a dozen . It was a real bargain.

  A.demand

  B.cost

  C.pay

  D.charge

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