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课题 Unit 13 We’re trying to save the earth . Section B 3a-Self Check 课型 写作课 课时 6
课 标 要 求 1.能从简单的文章中找出相关信息，理解大意 2.能读懂简单的说明文等应用文体材料 3.能写出简短的文段 4.能在教师的帮助下或以小组讨论的方式起草和修改作文
学 习 目 标 1.学生能找出本地区环境好的地方和不好的地方，并分析原因。 （学习理解） 2.学生能结合本单元的环境问题和环保措施，完成写作任务；能够掌握后缀构词法。 （应用实践） 3.学生能够识别句子结构，掌握现在进行时，现在完成时，被动语态，情态动词和used to 的用法。 （迁移创新）
评 价 任 务 1.观察图片，理解语境，完成任务一。（指向目标一） 2.梳理脉络，理清思路，完成任务二。（指向目标二） 3.修改草稿，完善作文，完成任务三。（指向目标三）
学 习 过 程
环节 学习流程及内容 二次备课
Pre-writing activities写前活动 （指向目标一） Step 1: Warm-up 1.Have a free talk: What is the picture about What do you think about it What caused the problems Sum up the problem and the suggestions. Step 2:Presentation 1.Work on 3a. Think about the environment in your town/city and complete the chart below. Which parts of the town/city have a nice environment Why are they nice Which parts need to be improved Why Complete the chart and read them. While-writing activities 写中活动（指向目标二） Step 3 : Writing 1.Work on 3b. Write a letter to the city mayor about the problems and your suggestions. 2. Show the following expressions: In your letter, describe the environmental problems in your town/city. 1. What are the problems 2. Where are they 3. What or who is causing these problems Then, give suggestions or possible ways to solve the problems. I think that… We should/ could… I suggest… 3. Show the writing model. 4. Write a passage about the experience. Step 4： Show the models 1. Show one of the good passages to other students. 2. Analyzes the good sentences and correct the errors. Post-writing activities写后活动（指向目标三） Step 5：Self Check 1. Write different forms of the words. Then add more to each group. 2. Match each statement with the grammar structure. 3. Write ways to cut down on these kinds of pollution. Step 6：Homework 1. Revise your composition. 2. Preview the new words and expressions in Unit 14.
作业布置： Rewrite your article on a piece of paper. 难度：中等 时长：15min
板书设计： Unit 13 We’re trying to save the earth . Section B 3a-Self Check
学后反思： 是否能把握文本话题？是否能抓住关键线索？ 能否根据话题写出相应内容？

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