单选题 Hello, Sally! You wanna know how to get to the airport at 10?Well, subway, I mean, the metro, is probably the best choice. Traffic is horrible here. Take Subway Line 2. The station is 3 blocks away from your hotel. Of course, the easiest way is to take a taxi. Actually you can ask the hotel to call an express for you. It is about 100 yuan. You can carpool with others if you like. The third option is to take the tram and then change to a bus, if you are not in a big hurry. It is also pretty convenient, but it will take you more than an hour and a half to get there. Just walk from your hotel all the way to the 202 tram terminal. Take the tram to Star Park. As you get off the tram, go across the street and walk straight ahead until you see the traffic light. There, you should take Bus 406. The bus goes directly to the International Airport. Whatever, you should probably get ready to leave now小题:The purpose of this speech is to _____