Part 1 社交禮儀 Communications Decency Unit 1 見面問候 Greeting(2) Unit 2 自我介紹Self-introduction(4) Unit 3 介紹他人 Introducing Others(6) Unit 4 約會(huì)見面 Making an Appointment(8) Unit 5 取消約會(huì) Cancelling the Appointment(10) Unit 6 邀請(qǐng) Inviting(12) Unit 7 提建議 Making Suggestio