Vitamin C helps our bodies make a special chemical, which _______ affects our brains, making us feel happy.

试卷相关题目

• 1I fell asleep while working on this paper_______the computer on.

  A.as

  B.for

  C.over

  D.with

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• 2We often go to ________ school library because we can have such easy access ________ the Internet there.

  A.the; on

  B.the; to

  C.不填; with

  D.不填; of

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• 3Qiandao Lake, widely known ______ a tourist site, is famous _____ its clear and drinkable water.

  A.as; to

  B.for; as

  C.for; to

  D.as; for

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• 4_______ entering the classroom, remember to take your seat and turn off your cell phone. 

  A.At

  B.From

  C.Upon

  D.As

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• 5_____professional development, big cities appeal to many young people ．

  A.In favour of

  B.In terms of

  C.In need of

  D.In honour of

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• 6My friend Martin was very sick with a strange fever; ________, he could neither eat nor sleep.

  A.as a result

  B.after all

  C.in addition

  D.in a word

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• 7In the Olympic Games all athletes should play fair ________ the rules, but some often take drugs to accomplish their aims.

  A.with

  B.for

  C.against

  D.by

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• 8100℃ is the temperature ______ which water will boil.

  A.for

  B.at

  C.on

  D.of

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• 9__________ speed and comfort, bicycles can't match other means of transportation like cars and trains.

  A.In terms of

  B.In case of

  C.In stead of

  D.In spite of

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• 10Learning English means _________ memorizing a huge lot of words．It involves a large amount of reading as well．

  A.other than

  B.more than

  C.rather than

  D.less than

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