The flu is believed ________ by viruses that like to reproduce in the cell inside the human nose and throat.

试卷相关题目

• 1The ability _______ an idea is as important as the idea itself. 

  A.to express

  B.expressed

  C.expressing

  D.to cover

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• 2(2013·湖南，31)________warm at night, I would fill the woodstove, then set my alarm clock for midnight so I could refill it.

  A.Staying

  B.Stayed

  C.To stay

  D.Stay

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• 3What difficulty will you have ____ people when you stay in a foreign country?

  A.understand

  B.understanding

  C.to understand

  D.understood

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• 4Tony was very unhappy for ________ to the party.

  A.having not been invited

  B.not having invited

  C.haying not invited

  D.not having been invited

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• 5_____in the queue for half an hour，the old man suddenly realized he had left the cheque in the car.

  A.Waiting

  B.To wait

  C.Having waited

  D.To have waited

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• 6________ good and sweet，this kind of apple was soon sold out in the market.

  A.Tasted

  B.Tasting

  C.Having been tasted

  D.Being tasted

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• 7English teachers are supposed ________ their students a test in class, even after class, ________ better teaching results.

  A.to give; ensuring

  B.giving; to ensure

  C.to give; to ensure

  D.giving; ensuring

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• 8(2013·山西高三诊断)Red Sorghum was adapted from Mo Yan's 1986 novel of the same name, ________ to life a visual landscape of red sorghum and a fiery ________ sun.

  A.brought; setting

  B.bringing; setting

  C.having brought; set

  D.bringing; set

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• 9(2013·吉林长春高中毕业班第一次调研)As the immune system weakens, it loses the ability ________ illnesses.

  A.fighting

  B.fought

  C.to fight

  D.to be fought

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• 10International communications have led to ________.

  A.using English widely.

  B.English having used widely.

  C.English to be used widely.

  D.English being used widely

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