The doctor said jokingly that his own infection of the virus _______ the discovery of a vaccine (疫苗)of the disease.

试卷相关题目

• 1The contract is very important for both of you, so studying it ________ before signing is necessary.

  A.in return

  B.in exchange

  C.in detail

  D.in turn

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• 2The failure to find a satisfactory job after graduation pushed him to ___________ writing as a career.

  A.make up

  B.put up

  C.take up

  D.set up

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• 3The child was almost _________ from the outside world.

  A.cut off

  B.cut down

  C.cut out

  D.cut in

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• 4She was about to go to bed when it suddenly _____ to her that she hadn't turned off the gas.

  A.happened

  B.occurred

  C.explained

  D.referred

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• 5---Many species are now in danger of dying out. ----True.Measures should be______to protect them right now.

  A.taken

  B.made

  C.acted

  D.carried

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• 6I was speaking to Ann on the phone when suddenly we were_____ .

  A.cut in

  B.cut up

  C.cut down

  D.cut off

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• 7We tried to ____ his doubts and let him tell the truth.

  A.review

  B.remove

  C.view

  D.rebuild

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• 8The school dinning room _______ as a meeting place for teachers and students.

  A.treats

  B.admits

  C.functions

  D.uses

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• 9Everybody, men and women, old and young, _____ sports and games.

  A.enjoy

  B.were enjoying

  C.enjoys

  D.is enjoyed

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• 10Some teenagers hold the view that parents ____ a full understanding of their children.

  A.lack in

  B.lacking of

  C.lack of

  D.lack

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