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

试卷相关题目

• 1Some 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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• 2Care 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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• 3More than two hundred years ago the United States ________ from the British Empire and become an independent country.

  A.got off

  B.pulled down

  C.broke away

  D.dropped off

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• 4It is well known that knowledge is that ________ condition for expansion of mind.

  A.incompatible

  B.incredible

  C.indefinite

  D.indispensable

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• 5When 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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• 6As 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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• 7Without 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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• 8While typing, Helen has a habit of stopping ________ to give her long and flowing hair a smooth.

  A.occasionally

  B.simultaneously

  C.eventually

  D.promptly

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• 9One reason for the successes of Asian immigrants in the U.S. is that they have taken great ________ to educate their children.

  A.efforts

  B.pains

  C.attempts

  D.endeavours

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• 10If any man here does not agree with me, he should ________ his own plan for improving the living conditions of these people.

  A.put on

  B.put out

  C.put in

  D.put forward

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