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【多选题】
城市轨道交通防灾通信系统包括()。A.
防灾调度电话系统
B.
防灾广播系统
C.
闭路电视监控系统
D.
消防报警系统
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反馈参考答案：
举一反三
【单选题】5381 一个质点在做匀速率圆周运动时
A.
切向加速度改变，法向加速度也改变．
B.
切向加速度不变，法向加速度改变．
C.
切向加速度不变，法向加速度也不变．
D.
切向加速度改变，法向加速度不变．
【简答题】进入实验室前要熟知实验楼中 、火警警铃、灭火毯和灭火器等消防设施的位置。
【多选题】L isten to the talk again and choose the correct anwers. How does Michal learn English?(多选题)
A.
By reading science fiction books in English.
B.
By dancing.
C.
By listening to English songs.
D.
By travelling to English countries.
【单选题】When configuring role-based CLI on a Cisco router，which action will be taken first ？（）
A.
Create a parser view called "root view."
B.
Log in to the router as the root user.
C.
Enable the root view on the router.
D.
Enable role-based CLI globally on the router using the privileged EXEC mode Cisco IOS command.
【多选题】Which two statements are true when using the configure exclusive CLI command?（）
A.
Multiple users can enter configuration mode and have their own private configuration.
B.
When a user commits, only the user's changes are committed.
C.
A message indicates which other users are in configuration mode and what portion of the configuration they are editing.
D.
Only a single user can edit the configuration.
【简答题】根据句意和所给的母。 1.John's sister is a teacher in Fudan U_________. 2. I,isten to the tape again and the c_________your answers. 3. Take an u_________with you. It looks like rain. 4.I got out in the rain ...
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