We should do ___ the teacher told us.
A.because
B.like
C.as
D.since
答案:C
当Stop、Main和Abort Handler运行结束后Check Handler的条件满足或发出Reset命令,SCM将运行()。
A.Stop Handler
B.Check Handler
C.Abort Handler
D.Hold Handler
为什么输电线路加装重合闸后能提高系统的动稳定?