1.When you are aboard a train, you should be seated ______.

A as you like

B in the first row

C according to the seat number on your ticket

D according to the train number on your ticket

解析：选C。细节理解题。根据第二段第二句Please be seated according to the seat number on your ticket.可知，根据票上的座位号乘坐火车，故选C。

2.You can’t smoke in ______ on a train.

A the coach

B the bed

C the bathroom

D all of the above

解析：选D。推理判断题。根据第四段第二句Please do not smoke in any area on board.可知，在火车上的任何地方都不允许吸烟，故选D。

3.What’s the Chinese meaning of the underlined word “prohibited”?

A 允许.

B 禁止.

C 使用.

D 售卖.

解析：选B。词义猜测题。根据第四段第二句Please do not smoke in any area on board.由此可猜测前一句的意思是：在整个旅途中，吸烟是被严格禁止的，故选B。

4.In an emergency, you should ______.

A remain in your seat

B break the window

C refer to the Train Service Guide

D follow the crew members’ orders

解析：选D。细节理解题。根据倒数第二段In case of an emergency, please follow the crew members’ orders.在紧急情况下须听从乘务员的命令，故选D。

5.Which of the following statements is NOT true according to the passage?

A Passengers should make sure of their train number when they are aboard a train.

B Passengers can go to the crew members to learn how to use the train facilities.

C Passengers should never touch the facilities with red marks.

D It is dangerous for children to run in the coach.

解析：选C。细节理解题。根据第五段第一句The facilities with red marks are for an emergency only.有红色标记的器械只有在紧急情况下才能使用，而不是任何情况下都不能碰，故选C。