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

试卷相关题目

• 1How 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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• 2What 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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• 3The text can most probably be ________.

  A.found in a guidebook

  B.read in a magazine

  C.broadcast on a train

  D.heard in a railway station

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• 4The Eurotunnel shuttle is intended to carry ________.

  A.passengers

  B.drivers and their vehicles

  C.goods

  D.staff members of the Chunnel

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• 5The Channel Tunnel, links ________ with ________.

  A.London; Paris

  B.Cheriton; Sangatte

  C.Lille; Brussels

  D.Dover; Kent

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• 6From 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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• 7The author’s attitude towards the use of natural resources is ________.

  A.positive

  B.uninterested

  C.optimistic

  D.critical

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• 8According to the author, the greatest mistake of our forefathers was that ________.

  A.they had no idea about scientific forestry

  B.they had little or no sense of environmental protection

  C.they were not aware of the significance of nature study

  D.they had no idea of how to make good use of raw materials

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• 9To 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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• 10How 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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