Modern scientific researches have reported to us that__________.

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• 1According to the article,given 500 adult Americans, __________ people will have a "weight problem".

  A.30

  B.50

  C.100

  D.150

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• 2Which of the following is NOT true about an ordinary computer?

  A.It must be programmed before it works.

  B.It can only solve one problem at a time.

  C.It is good at solving problems that can be broken down into simpler logical pieces.

  D.It is trained to make decisions.

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• 3The more time scientists spend designing computers, the more they wonder at human brain. Tasks that

  A.can recognize a face

  B.cannot learn from its mistakes

  C.cannot follow detailed instructions

  D.can read a handwritten note

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• 4He can't make himself _____. His spoken English really needs _____.

  A) understand, improving B) understood, improving

  C) understand, to improve D) understood, to improving

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• 5 They must be at home — there's a light _____ in the bedroom.

   

  A)to shine B)to be shining C)shining D)having shined

  
  

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• 6 _____ hard I tried, I could not memorize the whole text.

  A) However 无论如何不管怎样 B) Because 因为 C) As 既然 D) Though 虽然

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• 7 You have to hold on, _____ difficulties you meet.

  A) however B) whatever C) no matter D) how

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• 8 You mustn't be too proud of yourself _____ you have made much progress.

  A) even if B) as C) because D) since

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• 9 We'll try to finish the work in time _____ we are short of manpower.

  A) in spite of B) until C) before D) though

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• 10 _____ he was in poor health, he kept on working.

  A) Because B) As C) Although D) However

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