Some people viewed the findings with caution, noting that a cause relationship between passive smoking and cancer remains ________.

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• 1The United States is trying to ________ the problems created by the energy crisis.

  A.put up with

  B.submit to

  C.comply with

  D.cope with

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• 2While admitting that this forecast was ________ uncertain, the scientists warned against treating it as a cry of wolf.

  A.anyhow

  B.somewhere

  C.somewhat

  D.anyway

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• 3I don’t think this question is subordinate ________ the main aim of our company.

  A.with

  B.to

  C.for

  D.on

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• 4The girl was ________ a shop assistant; she is now a manager in a large department store.

  A.preliminarily

  B.presumably

  C.formally

  D.formerly

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• 5Although the two players are in the tennis court, they are really good friends ________.

  A.partners

  B.enemies

  C.rivals

  D.companions

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• 6The economic crises in that country have threatened the ________ of the government.

  A.stability

  B.capability

  C.persistence

  D.permanence

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• 7Although most birds have only a negligible sense of smell they have ________ vision.

  A.vigorous

  B.exact

  C.acute

  D.vivid

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• 8Rebecca ________ me earlier if she did not like her house she bought last month.

  A.told

  B.would tell

  C.had told

  D.would have told

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• 9By moving the radar beam around slowly in circles, we can ________ the surroundings.

  A.explore

  B.expose

  C.exploit

  D.expand

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• 10The Washington Monument is a hollow shaft without a break ________ its surface except for the tiny entrance.

  A.in

  B.with

  C.from

  D.to

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