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Passage Four [br] How large is the maximum sea ice cover about?17,000,000 sq km.
Passage Four [br] How large is the maximum sea ice cover about?17,000,000 sq km.
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2023-10-28
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问题
Passage Four [br] How large is the maximum sea ice cover about?
选项
答案
17,000,000 sq km.
解析
文章第八段最后一句提到,从1978年开始,每年都额外增加1.7万平方公里的海冰——这大约是海冰覆盖最大面积的千分之一,由此推出海冰覆盖最大面积是1 700万平方公里,所以“17 000 000 sq km.”为正确答案。
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