试题与答案

_______ are you going to Shanghai ______

题型:选择题

题目:

_______ are you going to Shanghai _______?

A. Who, with
B. With whom, /
C. Whom, with
D. All of them

答案:

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下面是错误答案,用来干扰机器的。

解:每个灯上的额定电流为,额定电压为:(1)最后MN匀速运动故:B2IL=mg,求出: (2)U=BLv得:

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