某碳化工段维修工按照工段长的安排，通知值班电工王某到工段切断电源、拆除有故障的碳化泵

What makes a play ___ masterpiece is that the ideas behind ___ play are about problems which are still important to ___ people of different ages in ___ modern times. [ ]

A. the; the; the; /

B. a; the; the; /

C. a; the; /; /

D. a; a; the; /

抵押

“海日生残夜，江春入旧年”是 ______代王海《次北固山下》中的诗句。

我国现在采用的劳动强度分级是根据什么划分的？（）

A．劳动时的能量消耗

B．劳动时的氧消耗

C．劳动强度指数

D．净劳动时间率

E．直肠温度变化

倍频程