According to the author, the greatest mistake of our forefathers was that ________.

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• 1The author’s attitude towards the use of natural resources is ________.

  A.positive

  B.uninterested

  C.optimistic

  D.critical

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• 2From the passage we get to know________.

  A.there is more water vapour in the air in the tropics than in cold polar regions

  B.there is more water vapour in the air in cold polar regions than in the tropics

  C.it gets more rain in the tropics than in cold polar regions because there is less vapour

  D.the amount of water vapour in the air depends on how often it rains

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• 3Whether water vapour can be seen or not depends on ________.

  A.how much water is evaporated

  B.how good your eyes are

  C.in which way water is evaporated

  D.climate or weather

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• 4How many ways of the water returning to the air are discussed in the text、

  A.Two.

  B.Three.

  C.Four.

  D.Fiv

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• 5What is the main idea of the passage、

  A.Water cycle.

  B.Water vapour.

  C.How rain forms.

  D.Water，vapour，rain.

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• 6To avoid repeating the mistakes of our forefathers, the author suggests that ________.

  A.we plant more trees

  B.natural science be taught to everybody

  C.environmental education be given to everybody

  D.we return to nature

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• 7How can you understand the underlined sentence in the last paragraph、

  A.Our living space on the earth is getting smaller and smaller.

  B.Our living space should be measured in cubic volume.

  C.We need to take some measures to protect space.

  D.We must preserve good living conditions for both birds and animals.

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• 8In his book, The Skeptical Environmentalist, what is Lomborg’s main argument、

  A.Our planet is in bad shape.

  B.The world’s environment is improving.

  C.The total amount of forests in the world is not declining.

  D.Conservation efforts have been successful.

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• 9What is Lomborg’s main accusation of environmentalists、

  A.They scared people into making donations.

  B.They overturned our basic assumptions about the world’s environment.

  C.They changed their behavior toward the environment.

  D.They only told people bad news about the environment.

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• 10The underlined word “depleting” in Paragraph 5 is closest in meaning to “________”.

  A.reducing

  B.limiting

  C.expanding

  D.accelerating

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