问题描述：
长江,亚马孙河和密西西比河哪个长
Which river is the longest?
A.the Yangtse River
B.the Amazon River
C.the Mississippi River
回答要简单,不要长篇大论!
Which river is the longest?
A.the Yangtse River
B.the Amazon River
C.the Mississippi River
回答要简单,不要长篇大论!
问题解答：
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