皮皮学，免费搜题
登录
搜题
【单选题】
以下关于机房交流配电系统说法正确的是()A.
交流配电系统的市电和油机两路输入可以同时供电
B.
在采用三相四线制或是三相五线制的回路中，应该在零线上都安装熔断器
C.
当出现电源相关告警时，为防止故障扩散或烧毁设备，应立即关闭电源
D.
电源系统的告警信号应保持正常工作，严禁擅自切断警铃和告警灯。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Blair: Blair was the first to appear in movies in history. In 1905, Blair appeared in the movie Rescued by Rover (义犬救主). It is a British film that a baby is kidnapped by an old woman, but the faithful...
【单选题】The curtains changed the atmosphere of the house completely and made it into a place of ________ beauty.
A.
expansive
B.
exquisite
C.
excessive
D.
exclusive
【单选题】The curtains changed the atmosphere of the house completely and made it into a place of _________ beauty.
A.
fragrant
B.
fragile
C.
exquisite
D.
requisite
【简答题】The new called Sphairistike appeared in in 1873．
【单选题】The curtains changed the atmosphere of the house completely and made it into a place of ___________beauty.
A.
exquisite
B.
revive
C.
disperse
D.
elapse
【简答题】In 1971, readers around the world were astonished by some photographs which appeared in newspapers. Hidden deep in the rainforest s of an island in the Philippines, was an ethnic (种族的) 36 called the T...
【简答题】A．complex B．basic C．serious D．favorable
【单选题】Man: I think I'll have the curtains changed! Woman: They are a bit worn. Question: What does the woman mean?
A.
She thinks every bit of change is important.
B.
She wants to wear them.
C.
She thinks they've been worn enough.
D.
She thinks they're in bad condition.
【简答题】The curtains changed the atmosphere of the house completely and made it into a place of _____ beauty.
【简答题】The curtains changed the atmosphere of the house completely and made it into a place of _________ (exquisite)beauty.
相关题目：