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  3. Global warming refers to an increase in global surface temperature resulting from an increase in the amount of carbon dioxide, m

Global warming refers to an increase in global surface temperature resulting from an increase in the amount of carbon dioxide, m

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问题     Global warming refers to an increase in global surface temperature resulting from an increase in the amount of carbon dioxide, methane, and certain other trace gases in the atmosphere. These gases are【S1】______known as greenhouse gases because they【S2】______to the warming of the earth’s surface and lower atmosphere, a phenomenon called the greenhouse effect. Partly because the【S3】______of carbon dioxide is related to the essential use of the carbon based energy sources, the【S4】______of global warming incorporates a broad, scientific and political debate about its significance and consequences.
    Today, as the results of the efforts of thousands of scientists over several decades who have studied climate and its【S5】______with the global land-ocean-atmosphere system, the scientific understanding of global warming is both more clear and complex. Scientists have obtained strong【S6】______that climate does indeed change, on scales【S7】______from a few seasons to millennia. Scientists have further shown that human activities can indeed influence the climate.
    As a sign of change in the international responses to global warming, delegates at a meeting under the Framework Convention on Climate Change in 2002 in New Delhi issued a declaration concluding that "Actions are required to【S8】______energy supply by developing advanced, clearer, more efficient, affordable and cost-effective energy technologies". No matter how the science and politics【S9】______over the coming years, one fact remains【S10】______: global warming presents a challenge that will be with us for decades and perhaps centuries to come.

A)irrefutable       B)contribute           C)diversify            D)evolve
E)irrelevance       F)collectively         G)emission             H)issue
I)claim             J)question             K)interconnection      L)respectively
M)evidence          N)ranging              O)devote
【S5】
选项
答案K
解析 此处需一名词作为动词study的宾语，且可与介词with搭配，词库中 interconnection(互相关联)符合题意。混淆项irrelevance(不相关)逻辑含义相反，不符合句意。此句意为：当今，得益于成百上千的科学家数十年来努力研究气候和全球陆地海洋大气体系，对于全球变暖的理解已经更加清楚和全面。
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大学英语四级

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