2. 外语
  3. Trends of climate change can be most easily sensed ______ . Studies have indicated that ______ .

Trends of climate change can be most easily sensed ______ . Studies have indicated that ______ .

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问题 Trends of climate change can be most easily sensed ______ .
Studies have indicated that ______ .
选项 A、the extent of Arctic sea ice has shrunk by about 3% in the Past several decades
B、the mean ice thickness in the Arctic Ocean decreased 1.5 meters in the 1990s
C、the amount of ice around the world has been decreasing for several decades
D、the ice thickness decreased most rapidly between the mid-1980s and the 1990s
答案C
解析 细节题。第四段讲到，根据Armstrong所说，世界冰雪量在过去几十年间一直在减少。所以C是符合这一点。在第五段中讲到，北冰洋的冰大约每10年减少3%，所以A与之不符；对春季北冰洋冰厚度的检测表明其平均冰厚度在20世纪80年代中期到90年代间减少了1.5米，所以B和D都与之不符。所以C是正确答案。
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