The reason why it is difficult to get rid of the threat of global warming is that ______.

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• 1The main purpose of this passage is to ______.

  A.analyze the problem of global warming

  B.argue against making deep cuts in emissions

  C.convince people that global warming is a real threat

  D.criticize some countries for refusing to cut down emissions harmful to the ozone layer

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• 2It can be inferred from the passage that ______.

  A.the 1992 Los Angeles riots lasted a whole week

  B.Rodney King seemed very angry when he appeared on television on Friday

  C.media coverage of events as they occur can have either good or bad results

  D.most people who had seen the video of the Rodney King beating agree with the verdict of the jury

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• 3The 1992 Los Angeles riots broke out because ______.

  A.video coverage from helicopters had made people angry

  B.video coverage had provided powerful feedback

  C.the jury acquitted the policemen who had beaten Rodney King

  D.people can make their own judgments

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• 4The term “electronic city” in Paragraph 2 refers to ______.

  A.Berkeley

  B.Earth

  C.Los Angeles

  D.San Francisco

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• 5All the following statements are true EXCEPT that ______.

  A.all the events occurring on the university campus at Berkeley were given national media coverage

  B.video coverage of the 1989 San Francisco earthquake gave the viewers the impression of total disaster

  C.electronic media can extend one’s contact with the world

  D.those living far away from a certain event can also have some perception of realities by watching television

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• 6In the passage the author implies that ______.

  A.the world has recently become aware of the threat of global warming

  B.the problem of global warming has largely been solved

  C.it is always difficult to work out international agreements to cut down emissions harmful to the ozone layer

  D.it is no longer easy to reach international agreements relating to the environment

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• 7According to the author, it is impossible at present to cut 60% of carbon dioxide emissions globally because ______.

  A.some people are irresponsible

  B.it would cause a collapse of the world economy

  C.it is only a goal to be reached in the future

  D.some people are lacking in imagination

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• 8What should all countries do to help solve the problem of global warming、

  A.They should hold another world conference on climate change.

  B.They should provide advanced technology.

  C.They should replace all the harmful substances.

  D.They should willingly undertake legal commitments about their energy uses.

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• 9According to the passage, the current emergency in Mexico City refers to ______.

  A.serious air pollution

  B.economic crisis

  C.unemployment

  D.natural disaster

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• 10Which of the following statements is NOT TRUE according to the passage、

  A.Kids are in greater danger than grown-ups in Mexico City.

  B.The author is not a native Mexican.

  C.The author’s husband is a pediatrician.

  D.The Mexican history and culture appeal to the author.

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