1、Unit 2 Saving the EarthTopic 2 All these problems are very serious.SectionDThe main activities are 1a 和 4. 本课重点活动是 1a 和 4。. Teaching aims and demands 教学目标1. Learn a new phrase:take up2. Learn some useful sentences:(1) This harms the environment (2) At the same time, dealing with (3) Of all the garba
2、ge, about 35 percent can be recycled while the rest cant.(4) How shall we deal with it?3. Review the indefinite pronoun and adverb:(1) None of us likes pollution.(2) Dont spit anywhere in public.(3) Everyone should care for wild animals and plant more trees.(4) We should do everything we can to prot
3、ect the environment. 4. Talk about the harm of rubbish. 5. Go on developing the students sense of environmental protection. . Teaching aids 教具图片/录音机/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:5 分钟)检查作业，然后通过师生对话，复习 Section C 的内容，为学习新词汇作准备。1. (复习讨论 Section C 的综合探究活动，教师作总结。)2. (教师通过复习
4、上一课的内容为学习新词汇做准备。)T: After learning Section C, we have known that many kinds of pollution affect our environment. How do factories affect our environment?S1: They / Factories have polluted the land and the water. S2: Factories make some rivers and lakes dead now.S3: T: Very good. How do cars and buse
5、s affect our environment?S4: They have polluted the air. S5: They have caused noise pollution. S6: T: How does cutting down too many trees affect our environment?S7: Some forests have changed into deserts. S8: More and more different sorts of animals and plants are disappearing. S9: When it rains or
6、 when the wind blows, the earth is taken away.Step 2 Presentation 第二步 呈现(时间:16 分钟)呈现 1a，完成 1b。培养学生的听说技能。1. (教师展示有关垃圾的图片，导入 1a，呈现新词汇。)T: OK. Now lets talk about another serious problem.(教师展示 1a 中的图片。)T: Whats in the picture?Ss: Waste./Rubbish.T: How do people deal with the waste?Ss: Put it into the l
7、and.T: So the waste takes up a lot of land and it does great harm to our environment.(板书并要求学生掌握。) take upT: In fact, some of the rubbish can be recycled.(板书并要求学生理解。) recycleT: So how shall we deal with the waste?(板书)How shall we deal with the waste?Ss: (帮助学生用英语回答。)We can collect waste paper, soft dr
8、ink cans, and so on. And then, sort them so that they can be recycled.T: Every day, we produce lots of rubbish. Please listen to the tape and fill in the blanks in 1a first. Lets learn about what trouble the waste brings us.(学生听录音，完成 1a。师生共同核对答案。)2. (让学生再读 1a，回答小黑板上的问题。)T: Please read 1a again and f
9、ind out the answers to the questions on the small blackboard. (出示小黑板。)(1) How much waste is put into the land in Britain?(2) Is it easy to find new land to put rubbish in?(3) Can all of the rubbish be recycled?(核对答案。)3. (让学生依据 1a 完成 1b。)T: Well done! Now lets read 1a again and underline the sentence
10、s which have the same meanings as the ones in 1b, then finish 1b. (核对答案。) Step 3 Consolidation 第三步 巩固(时间:8 分钟)教师讲解短文中的语言点，然后让学生据此编写一个如何处理垃圾的对话。培养学生综合运用语言的能力。1. (让学生跟读 1a 录音，并注意语音语调。)T: Please read the passage after the tape, and pay attention to the pronunciation and intonation. 2. (教师讲解短文中的语言点并板书。)
11、T: Lets look at the important points in 1a together. 3. (让学生讨论平时是如何处理垃圾的，并编一个与此内容有关的对话，完成后展示成果。)T: Please discuss this problem: How can we deal with the garbage?(板书并要求学生理解。)garbageExample:S1: We produce garbage every day. Its a serious problem. How do you deal with it?S2: I often throw it in the riv
12、er. S1: Oh, you will pollute the water. S2: Yes. Now I know I have polluted the environment, so I wont do that again. S1: How will you deal with the rubbish?S2: I will collect some of the rubbish for recycling. And Ill put the waste in a proper place. S1: Everyone should protect the environment.S2:
13、OK. Lets protect our environment together.Step 4 Practice 第四步 练习(时间:10 分钟)以练习的形式复习不定代词和不定副词的用法，以及本话题的功能用语。完成 2a，2b 和3。1. (复习不定代词/副词。)T: We know, pollution is a serious problem. What should we do to protect the environment?Here are some sentences about protecting environment. Please complete them wit
14、h thewords in the box. no one, nobody, none, everyone, everything, something, anything, everywhere 1. _ should plant more trees. 2. We shouldnt throw litter _.3. We cant do _ to harm our environment. 4. _ of us likes water pollution. 5. They want to make _ clean.6. _ can smoke here. 7. We should do
15、_ to protect our environment. 8. _ likes air pollution. (教师与学生核对答案，让学生齐读以上句子，复习不定代词/副词的用法。)2. (教师放录音，学生跟读 2a 中的句子。)T: Listen to the tape and repeat it. Please pay attention to the indefinite pronoun and adverb. 3. (教师放录音，让学生跟读 2b 中的句子，并用这些句中的语言点造句。)T: Lets listen to the tape and repeat it. (学生读 2b 中
16、的句子。)T: Now, please make sentences with the language points in 2b. Examples:S1: Trees can stop the water from running away. S2: We have come to realize that water is important to us. 4. (听 3 录音，完成 3。)Step 5 Project 第五步 综合探究活动(时间:6 分钟)把学生分为四组，让各组分别充当水，树，土地，空气，用英语叙述各自的优点及所面临的问题和自己的愿望。每组讨论后，做成海报。让学生意识到
17、环境保护的重要性。1. (把学生分成四组，即水小组，树小组，土小组和空气小组。)T: Lets do an activity in groups. Each group should have six students. Group 1, you are Water Group. Group 2, you are Tree Group.Group 3, you are Soil Group.Group 4, you are Air Group.2. (让学生讨论自己小组的优点，面临的问题和愿望，然后在全班做个报告。完成 4。)T: Each group should discuss your
18、own usefulness and the problems that you face and your wishes, then please give a report like the example in 4. (学生讨论完毕后，师生一起分享活动成果报告。)3. Homework:(根据活动的成果制作海报。)T: Please make your posters with your results, then share it with your classmates. Example:PosterI am soil. I help people grow food and build houses. But now people hurt me. Who can help me?板书设计：All these problems are very serious. Section Dtake up This harms the environment At the same time, dealing withOf all the garbage, about 35 percent can be recycled while the rest cant.How shall we deal with it?学 优中*考，网
