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

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• 1Finding a job in such a big company has always been ____ his wild dreams.

  A.under

  B.above

  C.over

  D.beyond

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• 2They did everything in their power to save the building dating back to the Qing Dynasty, but their efforts were _______.

  A.in turn

  B.in time

  C.in vain

  D.in need

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• 3________ the Hong Kong singer's current popularity, she was largely unknown in the Chinese mainland before the talent show.

  A.With

  B.Despite

  C.Besides

  D.Beyond

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• 4They are quite different ________ each other ________their tastes.

  A.from；in

  B.in; from

  C.with; on

  D.with; in

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• 5Most of the students got a favourable impression________the new teacher，and they were especially impressed________his humour and broad knowledge.

  A.on；by

  B.towards；with

  C.of；with

  D.to；with

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• 6Everybody was touched _________ words after they heard her moving story.

  A.without

  B.beyond

  C.of

  D.in

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• 7If you pay for the computer in cash, you could have a 5% discount; _______ we can deliver it to you for free. 

  A.in demand

  B.in addition

  C.in return

  D.in place

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• 8A serious study of physics is impossible________some knowledge of mathematics.

  A.against

  B.before

  C.beyond

  D.without

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• 9________all the animals I've ever had，these two dogs are the most sensitive to the spoken word.                                                        

  A.From

  B.Of

  C.For

  D.With

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• 10The woman sold the eggs ________ seven dollars and they were sold________half price.

  A.with；at

  B.for；at

  C.at；in

  D.by；on

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