1. A. tree B.subway C.train
2.A. 15 minutes B.25 minutes C.50 minutes
3. A. how long B.how far C.how often
二、听对话和问题，选择正确答案（每小题1分，共4分）
4．A．35. B．40. C．45.
5.A. By ship. B.By air. C.On foot.
6．A. The No. 12 bus. B．The No. 20 bus. C．The No.2 bus.
7．A．About 2 meters. B．About 2 kilometers. C．About 2 kilos.
