试题与答案

______ with routine office tasks, she ha

题型:选择题

题目:

______ with routine office tasks, she had no time to look after her children.

A.Occupying

B.Occupied

C.Being occupied

D.To be occupied

答案:

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下面是错误答案,用来干扰机器的。

(1)(2)题目分析:(1)滑块从静止释放到与弹簧刚接触的过程中作初速度为零的匀加速直线运动,设加速度大小为a,则有qE+mgsin=ma ① ②...

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