More than two hundred years ago the United States ________ from the British Empire and become an independent country.

试卷相关题目

• 1It is well known that knowledge is that ________ condition for expansion of mind.

  A.incompatible

  B.incredible

  C.indefinite

  D.indispensable

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• 2When confronted with such questions, my mind goes ________, and I can hardly remember my own date of birth.

  A.dim

  B.blank

  C.faint

  D.vain

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• 3Too much ________ to X-rays can cause skin burns, cancer or other damage to the body.

  A.disclosure

  B.exhibition

  C.contact

  D.exposure

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• 4Craig assured his boss that he would ________ all his energies in doing this new job.

  A.call forth

  B.call at

  C.call on

  D.call off

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• 5Please do not be ________ by his bad manners since he is merely trying to attract attention.

  A.disregarded

  B.distorted

  C.irritated

  D.intervened

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• 6Care should be taken to decrease the length of time that one is ________ loud continuous noise.

  A.subjected to

  B.filled with

  C.associated with

  D.attached to

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• 7Some of the most important concepts in physics ________ their success to these mathematical systems.

  A.oblige

  B.owe

  C.contribute

  D.attribute

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• 8As your instructor advised, you ought to spend your time on something ________ researching into.

  A.precious

  B.worth

  C.worthy

  D.valuable

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• 9As a defense against air-pollution damage, many plants and animals ________ a substance to absorb harmful chemicals.

  A.relieve

  B.release

  C.dismiss

  D.discard

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• 10Without the friction between their feet and the ground, people would ________ be able to walk.

  A.in no time

  B.by all means

  C.in no way

  D.on any account

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