If Newton lived today, he would be surprised by what ____ in science and technology.

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• 1Every possible means _____ to prevent the air pollution, but the sky is still not clear.

  A.is used

  B.are used

  C.has been used

  D.have been used

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• 2The moment the 28th Olympic Games _______ open, the whole world cheered.   

  A.declared

  B.have been declared

  C.have declared

  D.were declared

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• 3Every necessary means____ to protect milu deer which____ very valuable to us. As a result, the number of milu deer is increasing.

  A.are used; is

  B.is being used; is

  C.have been used; are

  D.has been used; are

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• 4Two pieces of good news about our company ____ published in today's newspaper.     

  A.have

  B.have been

  C.was

  D.is

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• 5When and where to enjoy our summer vacation _____ yet.

  A.aren't decided

  B.isn't being decided

  C.hasn't been decided

  D.haven't been decided

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• 6— Why does the Lake smell terrible? — Because large quantities of water _____.

  A.have polluted

  B.is being polluted

  C.has been polluted

  D.have been polluted

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• 7— Time________.It's likely that we'll miss the deadline. — Don't worry.We have already got through 80% of the job.

  A.is running out

  B.has run out

  C.is being running out

  D.has been run out

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• 8— How long _____ at this job?— Since 1990.

  A.were you employed

  B.have you been employed

  C.had you been employed

  D.will you be employed

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• 9—Hey! Here is a message on my cell phone, telling me to send money to....—Delete it! It's a trick. Many a person ____ by such tricks.

  A.has been cheated

  B.have been cheated

  C.were cheated

  D.was cheated

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• 10----Where can we get your latest children's story? ----Soon. It _______ and will come out next week.   

  A.has printed

  B.is being printed

  C.has been printed

  D.has been printing

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