问题
多项选择题
检修电器设备应彻底断电,其断电操作方法包括()
A、确认相应电源箱开关已断开并悬挂安全警示牌
B、起动控制箱断电并悬挂安全警示牌
C、电器设备旁控制点锁闭并悬挂安全警示牌
D、拆除相关电熔丝断电
答案
参考答案:A, B, C, D
检修电器设备应彻底断电,其断电操作方法包括()
A、确认相应电源箱开关已断开并悬挂安全警示牌
B、起动控制箱断电并悬挂安全警示牌
C、电器设备旁控制点锁闭并悬挂安全警示牌
D、拆除相关电熔丝断电
参考答案:A, B, C, D
根据对话内容,从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 A: Wow! Tina, you have changed a lot! B: Why do you think so? A: 小题1: . But you are very thin now. B: So are you. 小题2: . A: Yes, but now I have short hair. We both have changed. How’s your school life? B: 小题3: _. School,home,school,home…every day! A: I agree. By the way, are you still interested in English? B: Of course. And I’m doing well in it. 小题4: . A: I have spent lots of time studying it. But I’m not good at it. 小题5: . B: I study by making flashcards, asking the teacher for help, keeping a diary in English and so on. A: Oh, I should learn from you.
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