The project required ten years of __diligent__ research．

试卷相关题目

• 1Her father was a quiet man with __graceful__ manners．

  A.polite

  B.usual

  C.bad

  D.similar

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• 2The two banks have announced plans to __merge__ next year．

  A.close

  B.sell

  C.break

  D.combine

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• 3He __demolished__ my argument in minutes．

  A.supported

  B.disproved

  C.disputed

  D.accepted

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• 4Lower taxes would __spur__ investment and help economic growth．

  A.attract

  B.spend

  C.encourage

  D.require

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• 5I enjoyed the play-it had a clever plot and very __funny__ dialogues．

  A.boring

  B.original

  C.humorous

  D.long

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• 6He was kept in __appalling__ conditions in prison．

  A.necessary

  B.terrible

  C.critical

  D.normal

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• 7Solar-power satellites will use radio waves to beam energy down from space．

  A.Right

  B.Wrong

  C.Not mentioned

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• 8Solaren is going to design 200 solar-power satellites．

  A.Right

  B.Wrong

  C.Not mentioned

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• 9Space-based solar cells could collect solar power only when skies are clear．

  A.Right

  B.Wrong

  C.Not mentioned

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• 10One advantage of space-based solar power system is that it is economical．

  A.Right

  B.Wrong

  C.Not mentioned

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