Unit 2:Workplace etiquette(職場禮儀) Unit 3:Modern office(現(xiàn)代辦公) Unit 4:Sales and market(銷售與市場) Unit 5:Workplace safety(安全生產(chǎn)) Unit 6:Operating instructions(操作說明) Unit 7:After-sale service(售后服務(wù)) Unit 8:Career planning(職業(yè)規(guī)劃) Appendix 1 Workbook tapescripts Appendix 2 Workbook answer key