题目内容
The Heilongjiang River, one of the four largest rivers in China, is 4,440 kilometers long and covers an area of .
A.184.3 squares kilometers B.184.3 square kilometer C.184.3 square kilometers
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题目内容
The Heilongjiang River, one of the four largest rivers in China, is 4,440 kilometers long and covers an area of .
A.184.3 squares kilometers B.184.3 square kilometer C.184.3 square kilometers