The surface arca of the earth is about( )square kilometers.
A.510,000,000 B.51,000,000 C.5,100,000 D.51,000
知识小百科,请选择正确案,并翻译.
人气：276 ℃ 时间：2020-02-20 14:58:13
解答
A.510,000,000
The surface area of the earth is about 510,000,000 square kilometers.
地球表面积约为510,000,000平方公里
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