People can live longer lives because__________that help cure diseases have worked very well.

试卷相关题目

• 1Nylon came out of five years later than__________.

  A.radios

  B.cameras

  C.jet planes

  D.movies

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• 2In the 1800s, people began to work in order to make__________.

  A.explorations

  B.their life better

  C.discoveries

  D.a trip to space

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• 3According to the passage man didn’t have a desire to explore a lot__________.

  A.at the beginning of 1800s

  B.in the 1960s

  C.since the 1900s

  D.from the 1800s to 1960s

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• 4This passage talks mainly about__________.

  A.why cars were very important

  B.when light was invented

  C.how inventions affect people’s daily life

  D.which country made the first step into space

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• 5What can we infer (推断) from the passage、

  A.All GPS devices have electronic maps.

  B.People in many countries will use the GPS for free.

  C.The receiver of the GPS contacts at least five of the satellites.

  D.The GPS will become more and more common in everyday lif

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