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    【题目】北京时间2015年3月30日21时52分，中国在西昌（28°N，102°E）卫星发射中心成功将首颗新一代北斗导航卫星发射升空，31日凌晨3时34分顺利进入预定轨道。据此，回答下列各题。

    【1】

    A. 旧金山（37°N，122°W）区时为29日5时52分

    B. 东京（36°N，141°E）区时为30日15时52分

    C. 国际标准时间为30日8时52分

    D. 世界时为30日13时52分

    【2】

    A. 时值我国立春到雨水之间 B. 哈尔滨的白昼时间比广州长

    C. 泰山6点前日出东南方向 D. 北京正午太阳高度比上海大

    【3】

    A. 地球公转速度变快 B. 太阳直射点向赤道移动

    C. 西昌正午人影变长 D. 南极大陆极夜范围扩大

    【答案】

    【1】D

    【2】B

    【3】D

    【解析】试题分析：

    【1】根据材料，北斗导航卫星发射升空时，北京时间2015年3月30日21时52分。旧金山（37°N，122°W）位于西8区，区时比北京时间晚16小时，为30日5时52分，A错。东京（36°N，141°E）位于东9区，区时为30日22时52分，B错。国际标准时间是0时区的区时，为30日13时52分，C错，D对。

    【2】北斗导航卫星发射时间是3月30日，春分是3月21日，所以发射当天时值我国春分到清明之间，A错。此时，太阳直射点移到北半球，北半球纬度越高，昼越长，哈尔滨的白昼时间比广州长，B对。夏半年，泰山6点前日出东北方向，C错。北京纬度较高，正午太阳高度比上海小，D错。

    【3】3月30日至31日，太阳直射点向远日点方向移动，地球公转速度变慢，A错。太阳直射点在赤道以北，向北回归线移动，B错。西昌正午人影变短，C错。南极大陆极夜范围扩大，D对。

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