2016年商务英语考试写作专项辅导三

　　四种类型的社交信：感谢信、祝贺信、邀请信和慰问信。判断下列情形应使用哪一种社交信。

　　1. a client has paid a long-overdue bill

　　2. You have moved to larger premises

　　3. an acquaintance has recently got a new job

　　4. an acquaintance has shown hospitality

　　5. an acquaintance has suffered a serious business set-back

　　6. a client has made a first order

　　(答案：1=感谢信;2=邀请信;3=祝贺信;4=感谢信;5=慰问信;6=感谢信)