试题与答案

For quite a few students, their teacher’

题型:选择题

题目:

For quite a few students, their teacher’s advice is more important than _________ of their parents.

A. one

B.that

C.it

D.any

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:位相相差1/2个周期,故速度大小相等,方向相反

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