以下程序输出的最后一个值是______ int ff(int n) static

情景反应
（从方框中选择恰当的句子完成下面的对话，并将符合题意的选项用2B铅笔涂在答题卡的相应位置上。其中有两项多余。每小题1分，共5分）

A. Have you ever been here before? B. It’s beautiful. C. How long have you been in Dandong? D. Have a good time! E. The seafood and the noodles are really delicious. F. What places have you visited? G. Where will you go then?

A: The traffic is very busy in the morning, isn’t it?
B: Yes, it is. Do you work here in Dandong?
A: No, I don’t. I’m just a tourist.
B:    小题1:
A: Yes, I have been here three times.
B:   小题2:
A: I have visited the Yalu River Bridge, Jinjiang Park and Mount Fenghuang.
B: What do you think of Dandong?
A:    小题3:  It has changed a lot in the past few years.
B: Do you like the food here?
A: Yes, I do.   小题4:   I like them very much.
B: So do I. Here comes the bus!   小题5:
A: Thank you. Bye-bye!
B: Bye!