—Thank God this school term is coming to an end！

—Yeah, after all that hard work, we all ________a holiday.

A．serve

B．observe

C．deserve

D．reserve

一般设备铭牌上标的电压和电流值，或电气仪表所测出的数值都是（）。

A、最大值

B、有效值

C、瞬时值

D、额定值