What will happen if the dust aerosol layer develops、

试卷相关题目

• 1We learn from the third paragraph that________.

  A.London was plagued with rats in the 1950s

  B.London is covered with smog today

  C.London was polluted by smog in the 1950s

  D.Los Angeles is as heavily polluted today as London was in the 1950s

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• 2The word "specters" in the second paragraph is closest in meaning to________.

  A.pollution.

  B.carbon dioxide

  C.aerosols

  D.ghosts

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• 3The author's main purpose in writing the article is to warn of________.

  A.warm weather

  B.hot weather

  C.a new ice age

  D.a new iceberg

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• 4The computer performed better than people in the study because________.

  A.the computer worked harder

  B.the computer was not busy

  C.people tended to be biased

  D.people were not good at statistics

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• 5During the experiment, the subjects were asked________.

  A.to control the sensors and the camera

  B.to rate the degrees to which they could be interrupted

  C.to compare their behaviors with others'

  D.to analyze all the indicators of interruption

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• 6The only way to stop the spread of aerosols in the atmosphere, according to Dr. Rasool and Dr. Schneider, is to use________.

  A.fossil fuels

  B.electric power

  C.nuclear energy

  D.coal power

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