Communication Workshop学习目标:By the end of this class, you will be able to tell the differences between an informal letter and a formal letter. 学习过程一、预习交流 Word bankv.n.adj.& adv.phrases二. 合作探究Read the advertisement and answer:1. What is the Ad mainly about? 2. Who will be interested in the Ad?三. 分层提高 II. Read Li Weis letter and see what he wants to clarifyLi Wei wants to clarify: 四. 总结归纳 III. Writing style of the letter: find mistakesInformal (mistakes)Formal Hi, thereDear Sir/ Madam