1、1.学生自学生词，并记住单词拼写和拼读。2.预习课本，找出重点短语和句式。3.读、记后完成学案中自学导练作业。Step 1情景导入T:Do you know “3r”?Ss:No, we dont. Can you tell me?T:Of course. “3r” means reduce, reuse and recycle.S1:What does “reuse” mean?T:It means that we use again the things that we have used. S2:What about “reduce”?T:It means that we try to
2、use it less.Ss:Oh, we see. Are reducing, reusing and recycling good for the environment?T:You are right. You are clever. Do you know how green you are? Today you will know it after finishing Unit 2. Lets begin to study Unit 2.Step 2完成教材Activities 13的任务1.Look at the pictures on the next page. Say whi
3、ch ways are good for the environment and why. (Activity 1)(1)开展两人活动或小组活动,谈论图片, 教师可以在适当的时候处理词汇。(2)教师请学生发言。(3)教师还可以提供其他相关图片或视频，让更多学生参与话题讨论。学生只要能够积极地表达自己的看法，就应该鼓励。2.Look at the title of the passage. What suggestions do you think the passage will make? Use the words in the box to help you. (Activity 2)(
4、1)可以让学生进行小组讨论。首先讨论文章的题目“How to be green？”的含义。(2)让学生参照所给例句，并使用提供的词汇，猜测文中将会给出怎样的建议。(3)全班展示。教师可以将学生的猜测写在黑板上，为后面的阅读作准备。环节说明:本活动是活动1的延伸，学生根据文章题目，用所给单词猜测文章可能会给出哪些建议。本活动旨在培养学生根据提示预测文章大意的能力。3.Read the passage and answer the questions in the first part. (Activity 3)(1)学生个体阅读，浏览问题。(2)开展两人活动或小组活动，讨论答案 。(3)可以让学
5、生“晒晒”自己平日的做法，并说明这样做的原因。环节说明:本阶段的活动旨在培养学生在阅读中获取大意和理解细节的能力以及提出问题和解决问题的能力。Step 3小结训练根据首字母或汉语提示填词或短语。1.We can reuse (重复使用） some of the waste.2.You cant be late.You must arrive there as early as possible.3.We have taken steps to save the world.4.Waste is harmful (有害的） to our health.5.Please remember to t
6、urn off (关闭） the light when you leave.Step 4问题探究1.你怎么处理那废纸的？What do you do with the waste paper？我把它扔掉了。I have thrown it away.2.母亲把瓶子分成四袋。My mother divided the bottles into four bags.3.每天重复这三个词：减少，再利用和再循环。Repeat these three words daily:reduce,reuse and recycle.Step 5家庭作业完成学案中的相关练习。本节课活动的目的是培养学生在阅读中获取大意，理解细节信息，提出问题及解决问题的能力，并学习一些词语及表达。本课教学效果佳。
