题目内容

【题目】某点以西为东半球，以东为西半球，以南为南半球，以北为北半球，符合以上条件的点是

A.180°、0°B.160°E、0°

C.20°W、20°ND.0°、0°

【答案】B

【解析】

南北纬度的划分都是以赤道（0°纬线）为界，赤道以北的属北纬，用符号“N”表示，所有的北纬都在北半球，赤道以南的属南纬，用符号“S”表示，所有的南纬都在南半球；东西半球的划分是以20°W和160°E组成的经线圈为界，东半球的经度范围为20°W→0°→160°E，西半球的经度范围为160°E←180°←20°W。

东西半球分界线是20°W和160°E组成的经线圈，0°W以东、160°E以西为东半球，20°W以西、160°E以东为西半球。赤道是南北半球的分界线，以南是南半球，以北是北半球。据此判断，该点以西为东半球，以东为西半球，则该点位于160°E经线上，以南为南半球，以北为北半球，则该点位于赤道即0°纬线上。故选：B

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