Science and technology have ____in important ways to the improvement of agricultural production.

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• 1----- When was the People's Liberation Army's Navy founded? -----It ____the April of 1949.

  A.dates to

  B.dated back

  C.dated from

  D.dates back to

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• 2Because the youth can't____the temptation of surfing the Internet, we should take proper measures to stop it.

  A.follow

  B.affect

  C.effect

  D.resist

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• 3We will debate the subject_____ late when we have enough time.

  A.in vain

  B.at length

  C.at last

  D.in force

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• 4The problem had become _____ in his mind, and he could not decide what to do about it.

  A.simplified

  B.exaggerated

  C.matured

  D.isolated

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• 5Premier Wen Jiabao said that if we worked hard and____ optimistic,we were_____ win the war against the financial crisis.

  A.were; bounding

  B.were; bound to

  C.was; bounding to

  D.had; bounded to

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• 6I ______ from the crowd an old friend of mine whom I hadn't seen for ten years.

  A.figured out

  B.picked out

  C.gave out

  D.went out

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• 7As you can see, the number of cars on roads _______ rising these days.

  A.we keeping

  B.keep

  C.keeps

  D.were keeping

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• 8my wife prefers _______ yoga ____ a good figure.

  A.to do;to keep

  B.doing; keeping

  C.to do;keeping

  D.doing;to keeping

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• 9The shop assistant was fired as she was _________ of cheating customers．

  A.accused

  B.charged

  C.blamed

  D.caught

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• 10The workers are busy with the repairs of the temple,which is ______.

  A.out of danger

  B.danger

  C.in danger

  D.of danger

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