业主大会如何通过决议？
参考答案：
必须由出席会议的业主所投票数的过半数通过。
_____ you, I wouldn't like to hear you gossip behind others. [ ]
A. As from
B. As of
C. As for
D. As if
测速电动机由（）和（）组成。
A.线圈、定子；
B.定子、转子；
C.线圈、转子。
