对单相接地故障，当接地电流大于5A时，电动机应装设有选择性的单相接地保护。( )
参考答案：对
循环风机有（）个联锁条件。
A、15
B、14
C、16
---- You failed again in the maths exam yesterday.
----- Don’t tell Dad about it; if he knows that, I’m____dead..
A．as well as
B．as much as
C．as good as
D．as many as
