停电、送电作业应指定专人负责。禁止采用（）停电、送电。
A.按步骤操作
B.调度下令
C.提前通知
D.口头或约时
参考答案：D
More and more young Indian women are saying, “I don’t” rather than “I do” to child marriage, _____ their backs to a troublesome tradition that is still alive in the country’s poorest regions.
A．to turn
B．being turned
C．turning
D．having turned
下面那种装置可以设在LNG储罐防护堤内（）。
A.LNG泵
B.柴油储罐
C.CNG储气瓶组
D.CNG储气井
