780A设备中时钟盘1+1的热备份,工作方式()。
A.07槽位主用,08槽位备用
B.08槽位备用,07槽位主用
C.没有固定主备关系
D.不确定
参考答案:C
Speaker A: Do you think you could keep the noise down a bitSpeaker B: ______
A.Yes, of course I could. I will turn it down a bit.
B.Oh, I beg your pardon. I think so.
C.Yes, sorry. Am I disturbing you
D.Sorry! Have I been keeping you awake
县级以上各级公安机关接受同级和上级党委的实际领导。( )