The scientist's many years' careful observation ______ a surprising discovery.

试卷相关题目

• 1Do you think it is worth ____ your life for adventure?

  A.to risk

  B.risked

  C.risking

  D.risk

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• 2If you keep on eating too much, losing weight is_______.

  A.out of the question

  B.out of question

  C.no question

  D.beyond question

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• 3The world has been shaken by a huge financial crisis since 2007; thanks to each country's powerful policies, the international trade is improving _________ day by day.

  A.in short

  B.in all

  C.in turn

  D.ingeneral

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• 4I value his friendship, but _______ I dislike his self-pride and selfishness.

  A.in addition

  B.as well

  C.on the other hand

  D.in other words

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• 5He hurried out and ______the chair.

  A.knocked up

  B.knocked off

  C.knocked back

  D.knocked over

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• 6 He has done so many bad deeds that we should never let him ______it .

  A.get away from

  B.get away with

  C.get out

  D.get over

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• 7To his parents' great joy, all their son's years of hard work finally ____.

  A.set off

  B.paid off

  C.took off

  D.got off

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• 8Many people think it's very difficult to ______ a conversation with someone who only says “Yes” and “No”.

  A.break off

  B.focus on

  C.keep up

  D.listen to

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• 9We all ______ Yang Liwei, who is the first Chinese astronaut to take a journey to space.

  A.look down upon

  B.look up to

  C.put up with

  D.add up to

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• 10During the urgent period, the minister of foreign affairs ________ brief news every day. 

  A.gave away

  B.gave out

  C.gave up

  D.gave off

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