Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy.

试卷相关题目

• 1Tom is keen _____ surfing the Internet in his spare time.

  A.at

  B.on

  C.to

  D.in

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• 2After the big earthquake, not only most houses and buildings were ______, many people also lost their lives.  

  A.in ruins

  B.in danger

  C.in trouble

  D.in sorrow

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• 3To our great joy, it snowed_______ the night of Feb．14 this year in Shanghai, arousing the curiosity of the residents．

  A.in

  B.for

  C.at

  D.On

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• 4Lewis was much admired ______ his work on the advanced medical research.

  A.on

  B.in

  C.for

  D.With

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• 5You should say 'I am sorry ' when you knock ________ somebody.

  A.at

  B.in

  C.to

  D.into

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• 6We were anxious _____ news of your safe arrival.

  A.to

  B.of

  C.for

  D.At

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• 7I'll leave Beijing for Guangzhou ____ a week, while my brother will leave Guangzhou for Beijing ____ our National Day.

  A.in, in

  B.after, in

  C.after, after

  D.in, after

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• 8______ this fact, French still has an impact on the English language.

  A.although

  B.In spite

  C.Despite

  D.Even if

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• 9_____ the _____ of modern industry, the pollution is becoming more and more serious.

  A.With; developing

  B.Under; development

  C.With; development

  D.Under; developing

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• 10The boy is curious _____ everything. I am sure he is very clever.

  A.to

  B.about

  C.with

  D.In

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