There is supposed to be a safety ________ which makes it impossible for trains to collide.

试卷相关题目

• 1The elderly Russians find it hard to live on their state ________.

  A.pensions

  B.earnings

  C.salaries

  D.donations

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• 2The ________ on this apartment expires in a year’s time.

  A.treaty

  B.lease

  C.engagement

  D.subsidy

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• 3I think we need to see an investment ________ before we make an expensive mistake.

  A.guide

  B.entrepreneur

  C.consultant

  D.assessor

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• 4There is much I enjoy about the changing seasons, but my favorite time is the ________ from fall to winter.

  A.transmission

  B.transformation

  C.transition

  D.transfer

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• 5Now a paper in Science argues that organic chemicals in the rock come mostly from ________ on earth rather than bacteria on Mars.

  A.configuration

  B.constitution

  C.condemnation

  D.contamination

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• 6After four years in the same job his enthusiasm finally ________.

  A.deteriorated

  B.dispersed

  C.dissipated

  D.drained

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• 7No one can function properly if they are ________ of adequate sleep.

  A.deprived

  B.ripped

  C.stripped

  D.contrived

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• 8For years now, the people of that faraway country have been cruelly ________ by a dictator.

  A.depressed

  B.immersed

  C.oppressed

  D.cursed

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• 9Ever since the rise of industrialism, education has been ________ towards producing workers.

  A.harnessed

  B.hatched

  C.motivated

  D.geared

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• 10The prospect of increased prices has already ________ worries.

  A.provoked

  B.irritated

  C.inspired

  D.hoisted

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