用顺序存储结构按顺序输入26个大字英文字母进栈,按反序输出。
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Dialogue 1A: Good morning, Sir. This is(booking office).Can(help)?B: Yes, I’d like to(book,ticket) to Changsha next week.Are there any flightsleft now?A: When(plan, leave)for Changsha?B: On the morning of April the 1st.A: What(prefer),business classoreconomy class ?B: Economy class.A: How many(ticket)?B: Only One.A: Do you want( a round trip ticket, a singleticket)?B:A singleticket.A: Let me look up the time-table for you, Seats(available) on MU3457.B: Ok. I’ll(take).h
Dialogue 2C: Good morning, madam.P: Hi, I'd like to( check) for Flight CA931 to Washington.C: Certainly, madam.(show, passport, ticket), please.P: Here you are.C: Thank you. Flight 931 to Washington. Well, Mrs. Smith, Your travel documents are in order.(seat, preference)?P: a window seat, pleaseC: (luggage, check in)?D: Yes, I have two pieces.C: Please put your luggage on(conveyor belt, one by one)P: That's all right.C: Here are your ticket and passport, and here are your(boarding) and baggagecheck.check
Dialogue 3A: May(see, passport)B: Here it is.A: (something, delcare)?B: No, I don’t.A: Please(open, bag).B: That camera (for, personal use)only.A: OK. (take, passport). Moving ahead please.