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发布时间: 1970-01-01

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1最佳选择题 3分

Ontheeveofglobalwarmingnegotiationsscientistsfroms

  • A. destructive.
  • B. urgent.
  • C. advanced.
  • D. universal.
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2最佳选择题 3分

Ontheeveofglobalwarmingnegotiationsscientistsfroms

  • A. the world will come to its end short of this campaign.
  • B. the campaign puts at stake the benefits of all nations.
  • C. the campaign has an epoch-making significance.
  • D. the campaign entails the efforts of an unprecedented scale.
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3最佳选择题 3分

Ontheeveofglobalwarmingnegotiationsscientistsfroms

  • A. It presents a clear picture of the precent environmental problem before us.
  • B. It contains very convincing and straightforward scientific statistics.
  • C. It advocates the study and use of non-polluting sources of energy.
  • D. It presents its findings about global warming and proposes some polices.
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4最佳选择题 3分

Ontheeveofglobalwarmingnegotiationsscientistsfroms

  • A. even substantial emission reductions can not prevent its arrival.
  • B. only international efforts can help to slow it down, if not to stop it.
  • C. the Kyoto agreement is too ambitious to be of any practical value.
  • D. the effect of the present emission-reducing efforts can only be seen in the next century.
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5最佳选择题 3分

Ontheeveofglobalwarmingnegotiationsscientistsfroms

  • A. Using fossil fuels more efficiently.
  • B. Introducing advanced technologies to improve utilities.
  • C. Building taller smokestacks.
  • D. Increasing the use of carbon-free sources.
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