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问题 多项选择题

下列关于电气设备的安全管理，正确的有（）。

A.发生电火警时，必须首先救火，然后及时报警

B.当检修线路和设备时，应将总闸拉开，并挂上“禁止合闸、有人工作”的警告牌

C.在同一供电线路中，不允许一部分电气设备采用保护接地，而另一部分设备采用保护接零

D.在带电设备周围严禁使用钢卷尺进行测量工作

E.尽量避免带电操作，手湿时严禁带电操作

答案

参考答案：A, B, C, D, E

改错题

改错。

( ) 1. The noise was too loud that we were hardly able to hear ourselves talk.                                    

                                   A           B                           C

( ) 2. He will call you as soon as he arrive.                                                                                     

                  A                     B              C

( ) 3. Last time I saw you, you are going to start a new job.                                                            

                              A                  B                                C

( ) 4. I look forward to meeting you and discuss the various possibilities.                                          

                A                        B                      C

( ) 5. It was so cold in New York that I almost froze, despite of all the clothing I had on.                   

                                                                          A          B    C

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多项选择题 X型题

麝香忌与下列药物混存的是（）

A.当归

B.樟脑

C.冰片

D.薄荷脑

E.萘丸
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