Unit 2:Workplace etiquette(职场礼仪) Unit 3:Modern office(现代办公) Unit 4:Sales and market(销售与市场) Unit 5:Workplace safety(安全生产) Unit 6:Operating instructions(操作说明) Unit 7:After-sale service(售后服务) Unit 8:Career planning(职业规划) Appendix 1 Workbook tapescripts Appendix 2 Workbook answer key