皮皮学，免费搜题
登录
搜题
【多选题】
【背景资料】有一新建银行营业厅，安全防范工程设计为一级防护工程，设计的安全防范系统有：入侵报警系统、视频监控系统、出入口控制系统，现进行施工。 请根据背景资料完成相应小题选项，选项类型根据各小题注明要求，把所选项在答题卡相应题号中填涂，在题本上答题无效！其中，判断题二选一（A.B选项），单选题四选一（A.B.C.D选项），多选题四选二或三（A.B.C.D选项）；不选、多选、少选、错选均不得分。 下列各种线缆敷设时的弯曲半径符合要求的是（）A.
多芯电缆的最小弯曲半径，应大于其外径的6倍
B.
同轴电缆的最小弯曲半径应大于其外径的10倍
C.
光缆的最小弯曲半径应大于光缆外经的20倍
D.
.光缆的最小弯曲半径应大于光缆外经的25倍
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】电容的表达式是
【单选题】听力原文：M: Bill was a great guy. He was drowned while rescuing a child from the icy water of the fiver yesterday. W: Well, as far as I know that was not the first dangerous situation he was in. Which of ...
A.
Robust.
B.
Brave.
C.
Generous.
D.
Dangerous.
【单选题】The icy conditions made our travel dangerous. So () going by car we took the underground.
A.
instead of
B.
in addition to
C.
as well as
D.
at the cost of
【单选题】Icy road conditions in Teasdale ___________ two roads being closed.
A.
came about
B.
came across
C.
resulted in
D.
resulted from
相关题目：