Unit 1 Which Airline Do You Prefer？
Unit 2 Round-Trip Ticket
Unit 3 A Window Seat
Unit 4 How Can I Get to the VIP Room？
Unit 5 Security Check
Unit 6 Duty-Free Shops
Unit 7 Broadcasting
Unit 8 On-Board Emergencies
附录1 音标表
附录2 现在分词变化规则
附录3 过去分词变化规则
附录4 不规则动词表
附录5 听力材料
附录6 参考答案
