f(x)是定义在R上的以3为周期的偶函数，且f(2)=0，则方程f(x)=0在区

口语应用。(每小题1分，共5分)
阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话。

A. How much does a ticket cost? B. Can you tell me when it arrives in Beijing? C. Yes, please! D. How to get a ticket, please? E. Then the time of the first train tomorrow morning? F. You are welcome. G. All right.

A: Good morning! Can I help you, sir?
B:        1       Could you tell me the time of the last train to Beijing this evening?
A: There’s one at 8:30. But I’m afraid all the tickets have been sold out.
B:        2       
A: The first train leaves at 9:15.
B:       3      
A: It arrives at 12:30. But may be a little late because of the bad weather.
B: OK!       4      
A: 418 yuan and half of it for a child below 12.
B:          5         I’d like two tickets and another one for a child at the age of ten. Here is the money.
A: Thank you!