If headaches only __occur__ at night，lack of fresh air is often the cause

试卷相关题目

• 1A research center has been __set up__ in this country

  A.praised

  B.established

  C.reformed

  D.criticized

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• 2We are __certain__ that he will get over his illness．

  A.sure

  B.happy

  C.surprised

  D.excited

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• 3The ice is not thick enough to __bear__ the weight of a tank．

  A.suffer

  B.accept

  C.receive

  D.endure

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• 4A small number of __firms__ have stopped trading

  A.hotels

  B.shops

  C.restaurants

  D.companies

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• 5In order to __survive__ man needs to consume food and water．

  A.work

  B.play

  C.1ive

  D.walk

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• 6The researchers have just __completed__ a study of driving situations．

  A.started

  B.finished

  C.changed

  D.made

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• 7It seems __highly__ unlikely that she will pass the exam.

  A.very

  B.completely

  C.usually

  D.mostly

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