172委托外单位开展设施设备运行维护服务工作的,运营单位应与服务商签订书面协议,明确服务项目、监测及维护周期、( )等。

A. 独立

B. 公正

C. 客观

D. 全面

A. q≧3万人次/小时

B. 1.5万人次/小时≦q﹤3万人次/小时

C. 0.5万人次/小时≦q﹤1.5万人次/小时

D. q ﹤0.5万人次/小时

A. 司机

B. 司机或行调

C. 控制室

D. 站长A

A. 向乘客致谢

B. 耐心解释

C. 积极安抚

D. 采取相应行动

A. 指引作用

B. 评价作用

C. 强制作用

D. 以上均是

A. Your attention please! Please add-value at the Custermer Sercice Center as the Value Machines are not working. We apologize for any inconvenience this might cause.

B. Your attention please! Please buy ticket at the Custermer Sercice Center as the ticket machines are not working. We apologize for any inconvenience this might cause.

C. Your attention please! Please follow staff directions to enter as the entry gates are not working. We apologize for any inconvenience this might cause.

D. Your attention please! Station lighting is under emergency repair but trains are still running. Please contact staff if you need any assistance. We apologize for any inconvenience this might cause.

A. 类火灾

B. 类火灾 F类火灾 K类火灾A

F. 类火灾 K类火灾

A. 自西向东

B. 自东向西

C. 自南向北

D. 自北向南