单项选择题

A．

B．

C．

D．

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单项选择题

【铁路电力安规】干线停电作业有多组作业工作结束和送电时，应注意（）相符。
A、工作票和工作日志
B、工具和材料
C、停电、检电、接地封线位置
D、标示牌数目和结束工作的组数

单项选择题

What is presidential suite?( )

A．Two or more hotel rooms located side by side without private connecting doors
B．A suite that has 2 or 3 rooms with one living room ,one bedroom
C．A suite that has more than 5 rooms with luxurious fittings and decorations