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全日制普通高级中学物理第一册高一物理下学期期中测试复习材料
福建省厦门市一中学2007第二学期期中考试.doc
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一、选择题（本题共17小题，每小题3分，共51分.在每题给出的四个选项中，有的小题只有一个选项正确，有的小题有多个选项正确.全部选对的得3分，选不全的得2分，有选错或不答的得0分）

（    ）　1．关于曲线运动，下列说法正确的是                                

    A．曲线运动不一定是变速运动

    B．曲线运动可以是匀速率运动

    C．做曲线运动的物体没有加速度

    D．做曲线运动的物体加速度一定恒定不变


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