在高处作业中,当监护人()时,作业人员有权停止作业。
A、严格要求
B、少于2人
C、不履行职责
D、服务不周到
参考答案:C
给转动部位加油、清洗或观察钢丝绳的磨损情况时,必须停止使用电梯并且切断电梯_。
— Will you attend the meeting this afternoon?
— But I ________ told anything about it. [ ]
A. wasn't
B. am not
C. haven't been
D. won't be