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【多选题】
以下关于列控系统CTCS描述正确的是( )A.
CTCS-0应用于提速前的既有线；
B.
CTC-1主要面向时速为160公里的线路区段；
C.
CTCS-2满足时速200公里高速列车运行的安全要求；
D.
CTCS-3面向客运专线等时速300公里以上的高速铁路
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举一反三
【简答题】A manager can get the information he needs from ______.
【简答题】A．He thinks it is difficult to get fuel for the car. B．He can manage to get the gasoline they need. C．He doesn't think it necessary to refuel the car. D．He hopes the woman will help him select a fuel.
【单选题】What happens if a caller presses 1?
A.
He can leave a message.
B.
He can get a monthly schedule.
C.
He can find out about tickets.
D.
He can get on the mailing list.
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【简答题】A．He can't get a room at the hotel. B．He didn't get the type of room he wanted. C．He expected the room to be more expensive. D．He thought he had already made a reservation.
【简答题】写出以下单词的基数词 12__________
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