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中国南北方的天然分界线是() The natural boundary between the north and the south of China is ()

A.长江Yangtze River

B.珠江Pearl River

C.秦岭-淮河一线Qinling Huaihe line

D.黄河Yellow River


参考答案和解析
秦岭-淮河一线Qinling Huaihe line
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