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【单选题】
关于弹簧测力计的使用方法的说法中,错误的是 ( )
A.
测力计的量程不允许超过被测力的大小
B.
弹簧测力计不仅能测竖直方向的力,也能测其他的力
C.
被测作用在挂钩上
D.
测量时指针不要与外壳接触
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】Kidnappings around the world have typically had one of two major goals: publicity for a local political cause or as a form. of 'fund-raising' for the kidnappers. Recently, kidnappings for political re...
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