A．( It is hardly true that M Johnson is a new employee with such initiatives

B．( We are not sure if M Johnson is satisfied with his working environment

C．( Usually new employees will not take such initiatives as Mr Johnson does

D．( M Johnson is really very friendly as he helps us with our working initiatives

配电管理系统(DMS)的负荷管理(LM)功能用以( )。

A．控制用户负荷，削峰和减载；
B．帮助控制中心操作员制定负荷控制策略和计划；
C．实现对配网负荷的监控、预测和分配；
D．进行负荷频率控制，保持系统频率在规定值内。