2. 职称英语
  3. Global warming refers to an increase in global surface temperature resulting

Global warming refers to an increase in global surface temperature resulting

游客2023-07-11  47
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 [br] 【S3】
选项
答案 G
解析 此处，需要一个名词单数形式作主语，由下文“of carbon dioxide”作后置定语修饰，“emission of carbon dioxide(二氧化碳的排放)”。此句意为：部分由于二氧化碳排放与碳能源息息相关，全球变暖问题的意义和后果被并人了广泛的科学和政治辩论中。
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