According to the Daily Mail on February 16, the photo of the world’s first artificial heartby the Smithsonian Institute on February 14        Valentine’s Day.

试卷相关题目

• 1So quickly are science and technology advancing          is a possibility today may be a reality tomorrow.

  A.which

  B.what

  C.that which

  D.that what

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• 2If you write something and send it immediately by email, which you      later regret, there is no chance for second thoughts.

  A.would

  B.should

  C.have to

  D.might

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• 3Miss Li          as a secretary for five years in the company, and now she is a general manager of it.

  A.served

  B.has served

  C.had served

  D.serves

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• 4But for the fact that China        also affected by the global economic crisis, wefewer unemployed workers now.

  A.is; would have

  B.were; would have

  C.was; would have had

  D.were; would have had

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• 5The experiment has        the possibility of the existence of any life on that planet, but it does no life on other planets.

  A.found out

  B.pointed out

  C.ruled out

  D.carried out

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• 6Though it is 30 years        we last met, I still remember the scene        we got separated on a rainy day.

  A.before; where

  B.before; which

  C.since; when

  D.since; where

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