1、Unit 7 Protect the Earth The second period一 教学内容：Grammar time and Fun time二 教学目标：1 Pupils have a review of the story time.2 Pupils can grasp the use of the modal verb: should/should not.3 Pupils can make sentences with useto4 Pupils can reuse the things and they can describe.5 Pupils realize the ear
2、th is the only home, they should try their best to protect the Earth.三 教学重、难点：1 Pupils can grasp the use of the modal verb: should.2 Pupils can make sentences with useto 四 教学准备：挂图，卡片， PPT教学设计（主备）复备Step 1 Warm up1 T shows the picture of the earth, its healthy, then shows another picture of it, its il
3、l.T: Boys and girls, whats wrong with the Earth?Ss: Its ill/unhealthy.T:What should we do?Ss: We should(出示protect the Earth)T: Do you want to be the little environment protector?Lets try to be one, Mr Brown, Chairman of the World Environment Organization, will recruit some Chinese volunteers, do you
4、 want to be the volunteers? You must finish some tasks.Step 2 RevisionTask1: Know how to protect the EarthSs answer this question: Save the water, save energyTeacher shows respective pictures. (Review main ideas of the story time)T: Lets review some new words. Show pictures: coal, oil, wood, plastic
5、, paper.Task2: Know how to deal with these things Read and judge1. There is not much water in many places. ( )2. Cars do not use much energy. ( )3. We should not cut down trees. ( )4. Trees help keep the air clean. ( ) 5. We should not use plastic bags because they are not useful. ( )Ss judge them.T
6、hink and writeHow to protect the Earth 1. We should save_ and_ water. We should not_ water. 2. We should save_. We should not _ so much. 3. We should save _. We should not cut down too many_. 4. We should not use too many _ bags or bottles. We should use _ bags and bottles. Pupils fill in the blanks
7、 and show the answers.Step 3 Presentation and PracticeTask3 Know the meanings of the signs and obey(遵守) them Teacher shows 4 public signs, pupils must use we should/should not.to make sentences. We should put rubbish in the bin, We should not use much napkin paper. We should not smoke. We should not
8、 pick flowers in the park. Teacher guides pupils to learn the use of should/should not: Grammar time. T: There are some sentences in story time about should/should not, read them and try to find the rules. T shows the rules: should:情态动词，含义是应该，后面跟动词的原型。should的否定形式是should not,后面仍旧跟动词原型哦！ Task4 Brain s
9、torm! Q: What else should we do/not to do to be a good environment protector? Pupils can discuss in a group, then teacher asks the volunteers to answer it. Task5 Know how to use the things on the Earth correctly(正确地) T: What does useto mean? Pupils answer it.: 使用做 Teacher shows 3 sentences(课本上). Q1:
10、 Which one is not the right way? Q2: What else can we use on the Earth correctly? Task6 Know how to reuse the things T: We use almost everything on the Earth, after using, we drop them, what a pity! I t think clever people can reuse something. T shows four pictures. 1.I collect some paper cups.I can
11、 reuse them to make 2. I collect some belts.I can reuse them to make 3.I collect _.（plastic bottles）I can _ them to make_. 4.I _.(buttons)I can _. T: Boys and girls, you are clever too, can you show your DIYs? Please use this dialogue.A: Hi ，look, this is a. B: Oh, really? A: I reuse a .to make this
12、 .,do you like it?B: Yes, its nice / creative(有创意的)I like it very much.Show time. Step4 ConsolidationTask7 Write an application (申请) T: Boys and girls, you meet all the rules to be the environment protector, now you can write an application to Mr Brown !Dear Mr Brown: Id like to be the Environment P
13、rotector. I love the Earth.I always save_.I never waste_. I use_ to_. I can reuse_ to _.I can tell what we should do. Such as, _. I also can tell what we should not do. Such as(例如)_. Thank you for considering(考虑) my application. Yours_ Pupils finish it, then read it loudly, teacher comments.T: You did a good job, congratulations!Step 5 Homework1.Share your DIYs to your classmates.2.Go on to finish the application. 板书设计： Unit7 Protect the Earth coal oil wood plastic paper We should We should not
