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1、Unit 13 We are trying to save the earth! Period 6 Section B (2a2b)I.教学目标：II. 教学重点：1. 生词及短语；2. 阅读2b文章，理解并掌握文章段落大意。III. 教学难点： 如何让学生理解并归纳文章段落大意。IV. 教学过程Step 1 Lead in（导入）Tell students we should do these things to protect the environment. Dont use paper napkins.Stop riding in cars. Turn off the lights w
2、hen you leave a room; Recycle old newspapers.Step 2 Show the studying aims（展示学习目标）Step3自学质疑Task1: Learn new words and phrases完成练习一，对所学词汇及短语进行巩固Task2: Guess2a Show some pictures to students and get them to guess what these things are made from.Task-3 Fast reading快速阅读课文，理解文章大意，完成以下连线题。Step 4 Groupwork（小组合作学习）学生再次阅读文章，小组完成2b，并在文中画出相关的句子。Step 5点拨释疑、拓展延伸学生小组交流答案，如有疑问教师解答。然后随机教育学生保护环境可做一些小事，如：废物利用，环保漫画等。（学生可展示自己对环保所做的贡献）Step 6 Do exercises（当堂检测）Step 7小结反思T: What have you learned today?Ss: .（学生各抒己见，教师再总结补充）Step8 Homework