恩格斯认为,测量工人阶级成熟性的标尺是( )
A.普选制 B.直接选举 C.公开选举 D.无记名选举
参考答案:A
变压器的中性点直接接地装置称为()。
A.工作接地
B.保护接地
C.屏蔽接地
_____ I do feel pity, I can’t really do very much to help them out of the difficulty.
A.As long as
B.As
C.while
D.Even