断路器和高压组合电器的智能化主要包括（）。
A.测量
B.控制
C.计量
D.状态监测
E.保护
参考答案：A, B, C, D, E
________ I met him, he was working as a secretary in a big company.[ ]
A. Every time
B. The first time
C. For the first time
D. Next time
