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

试卷相关题目

• 1What 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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• 2Why 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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• 3What 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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• 4What can we learn about garden cities from the last paragraph、

  A.Their number would continue to rise

  B.Each one would continue to become larger

  C.People would live and work in the same place

  D.Each one would contain a certain type of business

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• 5According to Howard, garden cities should be built_____．

  A.as far as possible from existing cities

  B.in the countryside where the land was cheap

  C.in the countryside where agriculture was developed

  D.near cities where employment opportunities already existed

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• 6What 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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• 7Which of the statements can best sum un the passage、

  A.Space exploration has created many wonders．

  B.Space exploration provided the best value for money．

  C.Space exploration can benefit science and technology.

  D.Space exploration may help us avoid potential problems on Earth.

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