本课时中2a-2c也是一个完整的听说任务链。2a的听力任务相对简单，主要是对所听材料内容的整体理解。2b主要训练学生捕捉关键信息的能力。2c则是针对上面的听力内容做的口语训练。2d的对话与主题紧密相连，谈论解决污染的方法。 一、教材分析 二、学情分析 这一课的听力是对上一节课内容的延续与拓展。因为上一节课的铺垫，学生对话题熟悉，所以听力部分并不难。但是，九年级的学生不喜欢发言，这对我如何上好2d的对话训练提出考验，鼓励与前面的知识铺垫是必不可少的。 1. 语言知识目标： 1) 能掌握以下单词及短语：coal, ugly, cost, wooden, plastic, takeaway, bin 2）句型The air is badly polluted. 2. 情感态度价值观目标： 有环境危机意识，学会关注环境保护环境。 教学重点 四、教学难点 教学难点 教学过程 Ⅰ. Listening 1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. 2. 2b Listen again and complete the sentences. 3. Listen and answer the questions. Ⅱ. Practice (2c) 八、教学过程设计 Ⅲ. Discussion Ask students what we should do to save the earth. Help students answer, turn off the lights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper. Ⅳ. Reading 1. Read 2d and complete the chart. 2. Role-play the conversation. 单词：coal, ugly, cost, wooden, plastic, takeaway, bin 句型：The air is badly polluted. 如何用英语表达保护环境的措施方法。 听力能力的提高。 三、教学目标 Ⅴ. Summary and language points Ⅵ. Exercises Ⅶ. Homework Exercise 根据句意用take, spend, pay或cost的适当形式填空。 1) That new car ________ them lots of money. 九、练习及作业设计 2) Mona __________ 50 yuan on the books just now. 3) It usually _______ me an hour to do my homework. 4) You should __________ some time practising your pronunciation. 5) My brother _______ 6, 000 yuan for the new computer yesterday. Homework 十、家庭作业 1. Read the listening materials of 1b, 2a.（选做） 2. 绩优学案第二课时.
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