三孔插座接线时，严禁将接保护的端子与中性线的端子直接连接。_爱下问搜题

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问题判断题

三孔插座接线时，严禁将接保护的端子与中性线的端子直接连接。

答案

参考答案：对

多项选择题

下列关于消防应急照明和疏散指示系统安装一般要求的叙述中，正确的有（）。

A．消防应急灯具与供电线路之间能使用插头连接

B．消防应急灯具安装后对人员正常通行不要产生影响，消防应急标志灯具周围要保证无遮挡物

C．消防应急照明灯具安装时，在正面迎向人员疏散方向，应有防止造成眩光的措施

D．消防应急灯具吊装时宜使用金属吊管，吊管上端应固定在建筑物实体或构件上

E．消防应急灯具宜安装在不燃烧墙体和不燃烧装修材料上

填空题

either, his, each, it, something, another, any, himself, both, all, that

1. He _____ is very careless. He always makes such mistakes.
2. —This sweater is much too large for me. Could you show me_____one?
   —Sure. Just a minute.
3. The old man lived here _____his life.
4. _____of the rooms can hold twenty people.
5. These boxes are heavier than _____ on the desk.
6. _____can stop the boy from giving up the chance to interview.
7. —When shall we play chess again?
    —_____day is OK. I'm free all the week.
8. The two kinds of paper are_____good. You can take _____of them.
9. —Is this your son's coat?
    —No. _____is on the chair behind the desk.
10. I find _____ necessary to tell her about this matter.