试题与答案

It has been found that some government l

题型:选择题

题目:

It has been found that some government leaders ______ their power while in office to get illegal benefits

for themselves. [ ]

A. employ

B. take

C. abuse

D. achieve

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:若纵坐标表示速度:在4s内图线与时间轴所围成的面积为零,则位移为零,A错误;图线的斜率表示加速度,斜率不变,知加速度大小和方向都不变,前2s时间内向东运动,因为物体做减速运动,则加速度...

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