2. 外语
  3. The best title for this text is ______. We may infer from this passage that ______.

The best title for this text is ______. We may infer from this passage that ______.

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问题 The best title for this text is ______.
We may infer from this passage that ______.
选项 A、carbon dioxide and CFCs are equally harmful to the environment.
B、global warming is a direct cause for natural disasters.
C、the world temperature rise has been going up more quickly as time passes.
D、people’s living standard has been on the rise.
答案C
解析 本题询问从这篇文章中我们能推断出什么?根据原文(40)处可知，到了2030年，温度将升高1.3度，2070年将升高3度，所以随着时间的推移温度升高的速度会越来越快，C答案正确；第二段最后一句说到二氧化碳占温室效应的56%，而CFC占23%。所以二氧化碳更有害，A答案错；文中没提到自然灾害的问题，所以B答案错；D答案不是作者讨论的主题，故选C。
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