电能计量装置错误接线的类型有（）。
A.缺相
B.接反
C.绝缘差
D.移相
参考答案：A, B, D
The law ________ last month and it is good for everyone. [ ]
A. came into effect
B. had an effect on
C. put into effect
D. affected
计算机能直接识别和执行的语言是
A．机器语言
B．高级语言
C．数据库语言
D．汇编程序
