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答案解析：D。根据题干中的Krugman、droughtinAmerica’sMidwest 可以定位到文章第二、三段。文章第二段描述了Krugman关于美国 中西部目前干旱的评论，接着第三段首句提到联合国气候委员会最新 的评估与他的评论相反。第三段末尾作者评论说Krugman没有一台
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