Unit1 General Introduction of Secretary 秘書(shū)概要 Unit2 Social Relations 社會(huì)關(guān)系 Unit3 Business Meetings 商務(wù)會(huì)議 Unit4 Letter and Telephone Communi-cations 書(shū)信和電話(huà)聯(lián)絡(luò) Unit5 Reports 報(bào) 告 Unit6 Travel Arrangements 旅行安排