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

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• 1In 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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• 2The reason why it is difficult to get rid of the threat of global warming is that ______.

  A.not all the countries are willing to make deep cuts in emissions

  B.many people welcome the global-warming effect of a warmer summer

  C.the leaders of many countries are not fully aware of the gravity of the problem

  D.world technology is not able to solve the problem

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• 3The 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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• 4It 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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• 5The 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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• 6What 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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• 7According 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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• 8Which 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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• 9The word “hawk” (Paragraph 3) most probably means ______.

  A.sell

  B.transport

  C.place

  D.deliver

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• 10The Mexican government takes half measures to solve the pollution problem because ______.

  A.Mexican economy depends very much on cars and factories

  B.it is not wise enough to come up with effective measures

  C.Mexicans are able to adapt themselves to the current emergency

  D.Mexicans enjoy playing dangerous games with their health

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