想通过一个电键同时控制两灯泡的发光和熄灭,那么[ ]
A、两个灯泡可以是串联或并联
B、两个灯泡只能是串联
C、两个灯泡只能是并联
D、串联、并联都不行
A
In our childhood, we were often ________ by Grandma to pay attention to our table manners.[ ]
A. demanded
B. reminded
C. allowed
D. hoped
1000(750)kV电压互感器出厂验收应对所有项目进行()验收。
A.现场检查
B.旁站见证
C.现场抽查
D.资料检查