He ____________ his head, wondering how to solve the problem.

试卷相关题目

• 1All the students have to _____________ to the rules and regulations of the school.

  A.confirm

  B.confront

  C.confine

  D.conform

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• 2The Japanese scientists have found that scents ______________ efficiency and reduce stress among office workers.

  A.enhance

  B.amplify

  C.foster

  D.magnify

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• 3Small farms and the lack of modern technology have __________ agricultural production.

  A.blundered

  B.tangled

  C.bewildered

  D.hampered

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• 4The prisoner was ________________ of his civil liberty for three years.

  A.discharged

  B.derived

  C.deprived

  D.dispatched

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• 5The international situation has been growing __________ difficult for the last few years.

  A.invariably

  B.presumably

  C.increasingly

  D.dominantly

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• 6As soon as the boy was able to earn his own living he _________ his parents’ strict rules.

  A.defied

  B.refuted

  C.excluded

  D.vetoed

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• 7The helicopter _____________ a light plane and both pilots were killed.

  A.coincided with

  B.stumbled on

  C.tumbled to

  D.collided with

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• 8To ______________ is to save and protect, to leave what we ourselves enjoy in such good condition that others may also share the enjoyment.

  A.conserve

  B.conceive

  C.convert

  D.contrive

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• 9Put on dark glasses or the sun will _____________ you and you won’t be able to see.

  A.discern

  B.distort

  C.distract

  D.dazzle

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• 10In __________ times human beings did not travel for pleasure but to find a more favorable climate.

  A.prime

  B.primitive

  C.primary

  D.preliminary

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