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Which of the following is the main cause of global warming?
Which of the following is the main cause of global warming?
admin
2014-08-13
27
问题
Which of the following is the main cause of global warming?
Last week, a United Nations report said humans are very likely the cause of most of the temperature increases in the last 50 years. It said global warming is undeniable and the world can expect to feel the effects for centuries to come. The intergovernmental panel on climate change released the report in Paris at a conference of climate experts. Representatives of more than 100 governments agreed on the findings. This is the most detailed scientific report to date on global warming and the influence of fossil fuel burning and other human activities. The scientists say there is greater than a 90% chance that greenhouse gases are the main cause of rising temperatures and sea levels. The report also links global warming to other changes including increased dryness in some areas and violent storm patterns. The UN panel released its last climate change report 6 years ago. The scientists say the new report is based on studies done since then and stronger agreement on global warming. The new report makes no policy proposals, but the aim is to press governments and industries to cut the release of carbon dioxide and other gases blamed for trapping heat.
选项
A、Fossil fuel.
B、Greenhouse gases.
C、Increased dryness.
D、Violent storm patterns.
答案
B
解析
事实细节题。录音提到,“科学家们说,几乎可以肯定,气温升高、海平面上升的主要原因是温室气体的排放”,因此可推知,全球变暖的主要原因是温室气体,故B为正确选项。选项A、C、D的内容在材料中也都有所提及,A属于全球变暖现象会影响到的方面,而C、D属于全球变暖所带来的后果,故应予以排除。另听录音时,注意记录与most,main等程度副词相关的、易出题的信息。
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专业英语八级
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