period 5 writing简单句的高级形式 learning aim: enable the students to realize the importance of writing skill. important point: to grasp the important and useful writing skill difficult point: to improve the skill of writing 使用说明及学法指导：独立完成预习案。 完成时间：20分钟。预习案 previewing case task1范文背诵类型：举例说明 典例：和谐的师生关系对你的影响 dear mr. green, on behalf of the students’ union, i’m writing this letter to invite you to participate in our new year evening. the party is going to be held in the school meeting hall from 7:00~9:00 p.m. next friday. many wonderful performances, presented by the teachers and students in our school, will be shown on the stage, such as the chinese folk songs and dances, chinese musical instruments, short plays of traditional style and so on. so it will
