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    【题目】习惯上用S表示（ ）

    A．东经 B．西经 C．南纬 D．北纬

    【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．

    解：赤道以北属于北纬，代号为N，以南属于南纬，代号为S；从本初子午线开始，向东到180°经线是东经，代号为E，向西到180°经线是西经，代号为W．

    故选：C．

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