答案:B
答案:B
A. A. This is your card. Swipe it and then you can come out.
B. B. Hold the card in your right hand and swipe it here.
C. C. Please wait for the train at the opposite platform.
D. D.You can return the ticket at the Ticket Center.
A. A.忠诚
B. B.审慎
C. C.民主
D. D.勤勉
A. A.安全检查
B. B.车辆维护
C. C.乘客导向
D. D.乘客问询
A. A.50%
B. B.70%
C. C.96.67%
D. D.100%
A. A.客流量小,而且客流组成复杂
B. B.客流量大,而且客流组成复杂
C. C.客流量大,而且客流组成简单
D. D.客流量小,而且客流组成简单
A. A.道岔两尖轨互相脱离
B. B.尖轨与基本轨在静止状态不密贴
C. C.尖轨或基本轨损坏
D. D.辙叉心损坏
A. A.自控
B. B.他控
C. C.未控
D. D.站控