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S1:We use plastic to make bags and bottles. S2: But use too much plastic is bad for our health. We should not use too many plastic bottles or bags. T: So what can we use? Please have a group discussion. S: We should use paper bags S2: We should use glass bottles. S3; We should use……. T: Yes, we should not use too many plastic, paper is better, now let’s read after the tape. T: Now please get into a group and use the given words to say sth. about plastic.. T: Ok, it’s time for reading, you can read by yourselves or get into a group. Step 3 .Post-task T: “Protect the earth” speech time is coming, here are the tips, boys and girls, 小组合作,每组选择文中的一个小主题.(可以借助板书） Why should we …? We should/shouldn’t.. 切合主题，提出保护口号. Step4 Homework 1. Listen to the tape and read after it for at least five times. 2. Try to retell the story. 3. Finish the exercises book. Blackboard Design _
We should/ We should not use… We should reuse….
Unit7 Protect the earth第二教时 序号： 上课日期： 教学内容：Fun time ，Grammar time.，Sound time 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 use…to… 4 Pupils can reuse the things and they can describe. 5 Pupils realize the earth is the only home, they should try their best to protect the Earth.教学重点： 1 Pupils can grasp the use of the modal verb: should. 2 Pupils can make sentences with use…to… 教学准备： PPT _
教 学 设 计 教学过程： Step 1 Pre-task 1 T shows the picture of the earth, it’s healthy, then shows another picture of it, it’s ill. T: Boys and girls, what’s wrong with the Earth? Ss: It’s 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? Let’s try to be one, Mr Brown, Chairman of the World Environment Organization, will recruit some Chinese volunteers, do you want to be the volunteers? You must finish some tasks. Step 2 While-task Task1: Know how to protect the Earth Ss answer this question: Save the water, save energy… Teacher shows respective pictures. (Review main ideas of the story time) T: Let’s review some new words. Show pictures: coal, oil, wood, plastic, paper. Task2: Know how to deal with these things Read and judge 1. There is not much water in many places. ( ) 2. Cars do not use much energy. ( ) 3. 4. We Trees should help not keep cut the down air trees. clean. ( ) 二次备课 _
( ) 5. We should not use plastic bags because they are not useful. ( ) Ss judge them. Think and write How 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 and show the answers. Task3 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 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 storm! 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 use…to… mean?Pupils answer it.: 使用…做… Teacher shows 3 sentences(课本上). Q1: 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 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 ...,do you like it? B: Yes, it’s nice / creative(有创意的)…I like it very
6AUnit7备课教案
