American is an ________ country. You can hear _______ every where.

试卷相关题目

• 1Wind power is an ancient source of energy_______ we may return in the near future.

  A.on which

  B.by which

  C.to which

  D.from which

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• 2Looking out of the window of my room, ___ a tall tree in the yard.

  A.there was

  B.there were

  C.I saw

  D.there stood

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• 3All flights _______ because of the storm, they had to wait in the hall.

  A.have put off

  B.were put off

  C.have been put off

  D.having been put off

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• 4Finding information in today's world is easy．The_______is how you can tell if the information you get is useful or not。

  A.ability

  B.competition

  C.challenge

  D.knowledge

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• 5It was wrong of you to _______ from all your friends who helped you when you were in trouble．

  A.break away

  B.break down

  C.break into

  D.break out

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• 6When Marx was in London, he _______ read at the library for hours.

  A.would

  B.might

  C.could

  D.should

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