题目内容

【题目】下列图中阴影部分位于西半球、北半球的是（ ）

A. B. C. D.

【答案】C

【解析】试题分析：由经线和纬线相互交织所构成的网络叫做经纬网，利用经纬网可以确定地球表面任何一个地点的位置．在经纬网上，经线的度数叫做经度，若相邻两条经线的经度向东增大，就是东经，用符号E表示，若相邻两条经线的经度向西增大，就是西经，用符号W表示；纬线的度数叫纬度，若相邻两条纬线的纬度向北增大，就是北纬，用符号N表示，若相邻两条纬线的纬度向南增大，就是南纬，用符号S表示．

南北半球的划分是以赤道（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；东西半球分界线是20°W和160°E组成的经线圈，20°W以东、160°E以西为东半球，20°W以西、160°E以东为西半球．

从经纬网图看出，A图阴影部分位于东半球、北半球；B图阴影部分位于西半球、南半球；C图阴影部分位于西半球、北半球；D图阴影部分位于西半球、南半球．

故选：A．

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