Unit 1 In the Restaurant Unit 2 Working as a Cashier Unit 3 Engineering Department Unit 4 Housekeeping Department Unit 5 Receptin Unit 6 The Concierge Unit 7 Telephone Switchboard Unit 8 Transportation Unit 9 Travel Agency Unit 10 Escorted Tours Unit 11 How to Deal with Difficult Tourists Unit 12 How to Deal with Difficult Situations Unit 13 Environmental Protection Unit 14 Mountains and Social Backgrounds Unit 15 Cities and Social Backgrounds Unit 16 Cities and Social Backgrounds (2) Unit 17 Cultual Relics and Social Backgrounds Unit 18 Sightseeings and Social Backgrounds Transcripts of the Listening Materials