停电检修时,在一经合闸即可送电到工作地点的开关或刀闸的操作把手上,应悬挂()标示牌。
A、在此工作
B、止步,高压危险
C、禁止合闸,有人工作
D、工作
参考答案:C
I’m sure that it is obvious Gina was lying for I saw her in the street yesterday. [ ]
A.which
B.that
C.because
D.when
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