Achieving a high degree of proficiency(精通）in English as a foreign language is   not a mysterious _______ without scientific basis.

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• 1One way to ________ species under threat of extinction—whatever the cause—is to remove them to zoos or parks and feed them there.

  A.betray

  B.resist

  C.preserve

  D.abandon

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• 2Let's ________ the radio and see what's wrong with it.

  A.take apart

  B.take off

  C.take down

  D.take up

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• 3As a candidate, you must make a good _______ on everyone you meet if you want to win the election.

  A.decision

  B.situation

  C.impression

  D.position

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• 4---Excuse me, has the train from Beijing arrived yet? --- ________, you are three quarters earlier. It's only 9 now.

  A.Unconsciously

  B.Instantly

  C.Absolutely

  D.Actually

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• 5A thousand words will not leave so deep an ________ as one deed.

  A.effort

  B.idea

  C.opinion

  D.impression

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• 6The __________ to the rocket going into space went wrong, and as a result it exploded and fell into the se

  A.A.mark

  B.sign

  C.symbol

  D.signal

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• 7To be honest，it is Jack as well as his two classmates that________for the broken vase.

  A.is to blame

  B.is to be blamed

  C.are to be blamed

  D.are to blame

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• 8The accident caused some ________to my car，but it's nothing serious.

  A.harm

  B.injury

  C.ruin

  D.damage

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• 9The company saw it as part of its social ______ to provide education for its workers.

  A.reward

  B.request

  C.research

  D.responsibility

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