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Passage Four [br] How large is the maximum sea ice cover about?17000000 sq km.文章
Passage Four [br] How large is the maximum sea ice cover about?17000000 sq km.文章
游客
2023-10-21
70
管理
问题
Passage Four [br] How large is the maximum sea ice cover about?
选项
答案
17000000 sq km.
解析
文章第八段最后一句提到,自1978年以来,每年都额外增加1.7万平方公里的海冰——这大约是最大海冰覆盖面积的千分之一,由此推出海冰覆盖最大面积是1700万平方公里,所以“17000000 sq km.”为正确答案。
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