Which of the statements can best sum un the passage、

试卷相关题目

• 1What makes it possible for humans to live on other planets、

  A.Our genetic makeup．

  B.Resources on the earth．

  C.The adaptive ability of humans．

  D.By-products in space exploration．

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• 2The underlined word "spin-offs" in Paragraph 4 probably refers to_____．

  A.survival chances

  B.potential resources

  C.unexpected benefits

  D.physical possessions

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• 3What is the reason for exploring space based on Paragraph2、

  A.Humans are nature-born to do so．

  B.Humans have the tendency to fight．

  C.Humans may find new sources of food．

  D.Humans don't like to stay in the same place．

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• 4Why does the author mention the questions in Paragraph1、

  A.To express his doubts．

  B.To compare different ideas．

  C.To introduce points for discussion．

  D.To describe the conditions on Earth．

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• 5What could be the best title for the passage、

  A.City and Countryside

  B.The Invention of the Garden City

  C.A New City in Chicago

  D.A Famous Garden City in England

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