________ that they may eventually reduce the amount of labor needed on construction sites by 90 percent.

试卷相关题目

• 1Without facts, we cannot form a worthwhile opinion for we need to have factual knowledge ________ our thinking.

  A.which to be based on

  B.which to base upon

  C.upon which to base

  D.to which to be based

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• 2________ should any money be given to a small child.

  A.On no account

  B.From all accounts

  C.Of no account

  D.By all accounts

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• 3He ________ so much work that he couldn’t really do it efficiently.

  A.put on

  B.turned on

  C.brought on

  D.took on

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• 4Visitors are asked to ________ with the regulations.

  A.contrast

  B.consult

  C.comply

  D.conflict

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• 5With all its advantages, the computer is by no means without its ________.

  A.boundaries

  B.restraints

  C.confinements

  D.limitations

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• 6All flights ________ because of the storm, they decided to take the train.

  A.having canceled

  B.having been canceled

  C.were canceled

  D.have been canceled

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• 7The microscope can ________ the object 100 times in diameter.

  A.magnify

  B.increase

  C.develop

  D.multiply

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• 8Language belongs to each one of us, to the flower-seller ________ to the professor.

  A.as much as

  B.as far as

  C.the same as

  D.as long as

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• 9We ________ Edison’s success to his intelligence and hard work.

  A.subject

  B.attribute

  C.owe

  D.refer

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• 10She once again went through her composition carefully to ________ all spelling mistakes from it.

  A.withdraw

  B.diminish

  C.abandon

  D.eliminate

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