加强开关设备的运行维护和检修管理，确保能够快速、可靠地切除故障。（）
参考答案：对
There are several guests sitting in the sofa by the window, but ____ are known to me. [ ]
A. neither
B. all
C. no one
D. none
电力调度自动化系统是由（）构成。
A.远动系统、综自系统、通信系统
B.子站设备、数据传输通道、主站系统
C.综自系统、远动系统、主站系统
D.信息采集系统、信息传输系统、信息接收系统
