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【判断题】
一台6极三相异步电动的同步转速为500r/min。A.
正确
B.
错误
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【简答题】牵引变电所要按规定配备消防设施和急救药箱。当电气设备发生火灾时,要立即将该设备的 ____________ 切断,然后按规定采取有效措施灭火。
【多选题】当电气设备发生火灾时,要注意哪些,以下表述正确的有( )
A.
要立即将该设备的电源切断
B.
切断电源后按规定采取有效措施灭火
C.
牵引变电所要按规定配备消防设施和急救药箱。
D.
立即向供电调度汇报,经许可后将该设备的电源切断
【简答题】His bright clothes were not______a funeral. A．fit B．appropriate of C．appropriate for D．suit
【简答题】A．She wears clothes similar to those of his wife’s. B．She wears clothes that were the same as his wife's. C．She wears clothes which were different form. those of his wife's. D．She wears clothes Which ...
【单选题】His clothes were _______ to the occasion.
A.
potential
B.
average
C.
considerable
D.
appropriate
【单选题】Why was Brian wearing so many clothes for his travel?
A.
Because they were the uniforms for air couriers
B.
Because that made him easier to be recognized
C.
Because his backpack had no room for his clothes
D.
Because he did not have any luggage with him
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