No one has come up with a better explanation of why dinosaurs ______.

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• 1A heavy snow _______ a harvest year.

  A.expects

  B.wishes

  C.promises

  D.Hopes

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• 2Instead of leading us a hand, he just stood by, __________us when we were in trouble.

  A.made fun of

  B.got tired of

  C.getting tired of

  D.making fun of

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• 3A number of tests have been conducted to _________ that these drugs have no side effects.

  A.find out

  B.look for

  C.make sure

  D.work out

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• 4World leaders at the G20 summit conference in London decided to_______$1．1trillion（万亿） to supporting world economic growth and trade．

  A.collect

  B.spend

  C.devote

  D.pay

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• 5In the center of the room stood a table with a _____ lamp on it, so it is very bright in the room.

  A.lighted

  B.lighting

  C.lit

  D.light

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• 6Facing the emergence, we were at a loss and none of us could ______ a solution to the problem.

  A.come about

  B.come out

  C.come up against

  D.come up with

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• 7The doctors have told him to _______ smoking and drinking.

  A.cut away

  B.cut back

  C.cut off

  D.cut down

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• 8Today CCTV offers a _______of programmes to satisfy different needs and _______.

  A.many; interests

  B.number; habits

  C.variety; tastes

  D.deal; likes

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• 9The United Nations was supposed to _________ the role of global peace-keep.

  A.undertake

  B.understand

  C.underway

  D.Undergo

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• 10It is known to us that doing eye exercises ________ our eyes, and that is to say, our eyes can ________ doing eye exercises.

  A.benefits; benefit from

  B.benefits to; benefit

  C.benefits from; benefit

  D.benefits; be benefited from

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