Owing to ________ competition among the airlines, travel expenses have been reduced considerably.

试卷相关题目

• 1John doesn’t believe in ________ medicine; he has some remedies of his own.

  A.standard

  B.regular

  C.routine

  D.conventional

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• 2________ much is known about what occurs during sleep, the precise function of sleep and its different stages remains largely in the realm of assumption.

  A.Because

  B.For

  C.Since

  D.While

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• 3________ the help of their group, we would not have succeeded in the investigation.

  A.Besides

  B.Regardless of

  C.But for

  D.Despite

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• 4We have planned an exciting publicity ________ with our advertisers.

  A.struggle

  B.campaign

  C.battle

  D.conflict

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• 5All human beings have a comfortable zone regulating the ________ they keep from someone they talk with.

  A.distance

  B.scope

  C.range

  D.boundary

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• 6They always give the vacant seats to ________ comes first.

  A.whoever

  B.whomever

  C.who

  D.whom

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• 7In Africa, educational costs are very low for those who are ________ enough to get into universities.

  A.ambitious

  B.fortunate

  C.aggressive

  D.substantial

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• 8Professor Wang, ________ for his informative lectures, was warmly received by his students.

  A.knowing

  B.known

  C.to be known

  D.having known

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• 9Our manager is ________ an important customer now and he will be back this afternoon.

  A.calling on

  B.calling in

  C.calling up

  D.calling for

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• 10A fire engine must have priority as it usually has to deal with some kind of ________.

  A.precaution

  B.crisis

  C.emergency

  D.urgency

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