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【题目】习惯上划分东西半球的分界线是( )

A. 20°E,160°W B. 20°W,160°E

C. 0°经线和0°纬线 D. 0°经线和180°经线

【答案】B

【解析】试题分析:

我们以赤道,即纬线为界将地球划分为南北半球,赤道以北为北半球,以南为南半球;以20°W160°E组成的经线圈为界将地球划分为东西半球,20°W以东、160°E以西为东半球,20°W以西、160°E以东为西半球;经线,即本初子午线是东西经度的分界线;180°大致和日界线重合,是日期分界线,故本题选B

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