【答案解析】[听力原文] 6-7 M: CFC Taxis. W: Hello. I'd like to book a taxi, please. M: Certainly. For what time? W: Five o'clock tomorrow morning. M: Where from, madam? W: From Qilu Hotel. M: Oh, I see. Where do you want to go? W: To the railway station. How much will it cost? M: About 20 dollars. W: How long will it take to get there? M: If the traffic is not too busy, it will take about 15 minutes.