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  3. The continuous presentation of scary stories about global warming in the popular media makes us unnecessarily frightened. Even w

The continuous presentation of scary stories about global warming in the popular media makes us unnecessarily frightened. Even w

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问题     The continuous presentation of scary stories about global warming in the popular media makes us unnecessarily frightened. Even worse, it【C1】______our kids.
    Al Gore famously【C2】______how a sea-level rise of 20 feet would almost completely flood Florida, New York, Holland, and Shanghai, 【C3】______the United Nations says that such a thing will not even happen,【C4】______that sea levels will rise 20 times less than that.
    When【C5】______with these exaggerations, some of us say that they are for a good cause, and surely【C6】______is no harm done if the result is that we focus even more on tackling climate change.
    This【C7】______is astonishingly wrong. Such exaggerations do plenty of harm. Worrying【C8】______about global warming means that we worry less about other things, where we could do so much more good. We focus,【C9】______, on global warming’s impact on malaria(疟疾)—which will put slightly more people at【C10】______in 100 years—instead of tackling the half a billion people【C11】______from malaria today with prevention and treatment policies that are much cheaper and dramatically more effective than carbon reduction would be.
    【C12】______also wears out the public’s willingness to tackle global warming. If the planet is【C13】______, people wonder, why do anything? A record 54% of American voters now believe the news media make global warming appear worse than it really is. A【C14】______of people now believe—incorrectly—that global warming is not even caused by humans.
    But the【C15】______cost of exaggeration, I believe, is the unnecessary alarm that it causes—particularly【C16】______children. An article in The Washington Post cited nine-year-old Alyssa, who cries about the possibility of mass animal【C17】______from global warming.
    The newspaper also reported that parents are【C18】______"productive" outlets for their eight-year-olds’ obsessions(忧心忡忡)with dying polar bears. They might be better off educating them and letting them know that, contrary【C19】______common belief, the global polar bear population has doubled and perhaps even quadrupled(成为四倍)over the past half-century, to about 22 000.【C20】______diminishing—and eventually disappearing—summer Arctic ice, polar bears will not become extinct.
【C17】
选项 A、separation
B、sanction
C、isolation
D、extinction
答案D
解析 空格所在句子的意思是，《华盛顿邮报》的一篇文章中提到，一位9岁的孩子Alyssa为动物有可能因全球变暖而大量______而伤心哭泣。再结合下文中的dying polar boars可知．extinction“灭绝”符合句意。
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