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【单选题】
()是将电气设备在正常情况下,不带电的金属外壳,构架等与埋设在地下的接地极连接起来。
A.
保护按零
B.
保护按地
C.
漏电保护
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参考答案:
举一反三
【判断题】感染了艾滋病病毒会立即死亡。
A.
正确
B.
错误
【多选题】正常前列腺液镜检能见到
A.
红细胞
B.
白细胞
C.
卵磷脂小体
D.
滴虫
E.
精子
【简答题】Section B Task Two: Zooming in on the Details Listen to the recording again and fill in each of the blanks according to what you have heard. 1) The woman thought that the three old men must be ______...
【简答题】Task Two: Zooming In on the Details ▇ Listen to the recording carefully and fill in each of the blanks according to what you have heard. 1 Monty Roberts was the son of (1)______________. His dream was...
【判断题】感染了艾滋病病毒会立即死亡
A.
正确
B.
错误
【简答题】物联网通常被公认为有三个层次,从下到上依次是感知层、网络层和 ( ) 。
【多选题】物联网通常被公认为有三个层次,从下到上依次是( )、( )和( )。
A.
感知层
B.
网络层
C.
应用层
D.
物理层
【简答题】物联网通常被公认为有三个层次,从下到上依次是 、 和 。
【简答题】Task Two: Zooming In on the Details Listen to the recording again and fill in each of the blanks according to what you have heard. 1. The speaker is a mother of _______ and has recently completed her ...
【简答题】Task Two: Zooming In on the Details ▇ Listen to the passage again andfill in each of the blanks according to what you have heard. People come into our life for a ______________, fora ______________ or...
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