It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.

试卷相关题目

• 1The police have offered a large _______ for information leading to the robber's arrest.

  A.prize

  B.compensation

  C.price

  D.reward

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• 2No one has yet succeeded in explaining the ________ of how life began.

  A.cause

  B.problem

  C.reason

  D.puzzle

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• 3It _____ to the airport.

  A.takes forty minute's drive to get

  B.takes forty-minute drive to get

  C.is forty-minutes'drive

  D.is a forty-minute drive

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• 4Soon after he left the hotel he was lost. So he decided to ask for ___________.

  A.purposes

  B.directions

  C.approaches

  D.destinations

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• 5Don't be joking! I just _________ what I said.

  A.promise

  B.mean

  C.keep

  D.notice

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• 6Mr. Li is gaining _______. He has to do some exercises to lose _______.

  A.weighty…weigh

  B.weight…weight

  C.fat…weigh

  D.weighty…heavy

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• 7.Mr. Brown has a strange way of writing. This is a notice from him, but no clear ______ of what he has written can be made at all.   

  A.explanation

  B.sense

  C.meaning

  D.idea

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• 8He must have been working really hard these days. This morning, I even noticed ______ behind his ears.

  A.grey hair

  B.grey hairs

  C.the grey hair

  D.much grey hair

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• 9I always persuade Mary to have both feet on the____as she wants to marry a millionaire and accomplish her goals in an easy way.

  A.ground

  B.earth

  C.location

  D.place

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• 10She is on a special ________ to lose ________ weight.

  A.food; her

  B.food; /

  C.diet; her

  D.diet; /

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