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1、 永久免费在线组卷 课件教案下载 无需注册和点数九年级上仁爱版英Unit 2 Topic 1 Pollution causes too many problems Section D教学设计The main activities are 1a和3. 本课重点活动是1a和3。. Teaching aims and demands 教学目标1. Learn some new words:create, industry, rubbish, blood2. Review direct speech and indirect speech.3. Review some kinds of polluti
2、on and the problems caused by them. Teaching aids 教具录音机/小黑板/图片. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:5分钟)1. (复习噪音污染，导入词汇教学。)T:Is noise a kind of pollution?Ss:Yes. T:What can cause noise pollution?S1:The machines in some factories. S2:Planes.S3:Loud pop music.S4:Cars.S5:The traffic
3、. S6:T:Many things making loud noise can cause noise pollution. What problems does noise pollution cause?S7:Noise pollution can cause hearing loss.S8:It makes people sick or become deaf. S9:It also makes peoples lives uncomfortable and unpleasant. T:Yes, loud noise can cause high blood pressure as w
4、ell.(教师板书新词并释义，且要求掌握blood，理解pressure。)high blood pressureStep 2 Presentation 第二步 呈现(时间:15分钟)1. T: Noise pollution is harmful to people. But its not the only one in our world. Do you know any other kinds of pollution?SS:Air pollution, soil pollution, water pollution, light pollution, litter and so on
5、. (教师展示图片一。)T:What kind of pollution is it?Ss:Soil pollution.T:Thats right. What causes soil pollution?S1:People use too many chemicals in their fields. T:So they destroy the soil. (教师板书destroy并释义。)destroy(教师展示图片二。)T:Look at this picture. What kind of pollution is it?Ss:Litter.T:Yes. Theres a pile o
6、f rubbish here. It makes our environment dirty.(教师板书并讲解rubbish并要求掌握。)rubbishT:(指着图片的浓烟)What kind of pollution is it?Ss:Air pollution.T:Yes. What creates air pollution?(板书并讲解，且要求掌握。) createSs:Burning coal.T:With the development of industry, air pollution is becoming more and more serious.(板书并讲解，且要求掌握
7、industry。) industryT:Look at the picture. Which kind of pollution is it? S3:Light pollution. T:Yes. Look at the strong, changeable light. Its bad for eyes. 2. T:From the pictures, we know pollution is bad for our health in many ways. If there is no pollution on the earth, what will the earth be like
8、?(板书并讲解in many ways)Ss:Maybe our earth will be greener and more beautiful. T:Yes. We should protect our planet from now on. OK , lets read 1a and fill in the blanks with the words and phrases above. (学生用所给的单词和短语填空，老师与学生核对答案。)3. (1)(让学生再次阅读1a，找出重点和疑点)(2)(小组讨论交流)(3)(教师板书学生可能认为疑难的知识点，核对或解释其用法。)Step 3 C
9、onsolidation 第三步 巩固(时间:5分钟)1. (让学生再次阅读1a，然后完成1b。)T: Read 1a again and fill out the table in 1b according to 1a.(学生填完表格后，教师与学生一起核对答案。)2. (让学生分小组讨论。)T:Therere so many kinds of pollution around us. How can we deal with them? Discuss in groups of four.S1:Pull down the polluting factories.S2:Make some ru
10、les to stop pollution.S3:Throw the rubbish into the dustbin.S4:(教师总结后。)T:Lets try our best to be greener people, OK?Ss:OK!Step 4 Practice 第四步 练习(时间:15分钟)1. (教师通过复习西山的污染来练习2b的句子。)T:(教师出示Section A，1a中的第二幅图)What can you find in the picture?(让学生用所学知识发现污染，为做环保人作铺垫。)S1:There is water pollution. BThe fish
11、has gone.S2:There are several chemical factories pouring waste water into the river.S3:There is noise pollution. Granny cant sleep well.S4:T:Oh, my goodness! Does Kangkang still want to have the picnic there?Ss:Of course not.T:Does Granny still want to live there?Ss:No, she will manage to leave ther
12、e.(复习2b)T:Now lets listen to the tape of 2b, and read after it.(教师讲解并强调这些功能用语。)2. (复习2a)T: Because of the pollution on West Hill, a journalist interviewed Granny. What did the journalist ask Granny? Do you still remember?Ss:Yes.S1:He asked Granny if T:What was Grannys answer?S2:She said that /She to
13、ld the journalist (继续上面的问答，来练习2a的句子。)3. (在小黑板上准备一些有关直接引语和间接引语转换的练习题，两分钟内完成。)Step 5 Project 第五步 综合探究活动(时间:5分钟)1. (通过第四步的练习，教师示例，让学生分组讨论下面的问题。)(1)T: Make a survey. What kinds of pollution are there in your town / village? And discuss how the pollution affect the environment in groups. Then fill out th
14、e table below.(2)T: Interview one of your classmates like this.T:Is there any pollution around you?S1:Yes, there is. T:What is it?S1:Air pollution. T:What does it cause?S1:Its difficult for us to breathe.T:How can we deal with it?S1:Pull down the factories. Kinds of pollutionEffects on our environme
15、nt or healthSolutions (板书并讲解effects on our environment)2. (让学生根据表格作报告。)T: Now, please make a report according to the form above.For example:There are many kinds of pollution in our city, such as water pollution, litter, soil pollution, light pollution and noise pollution.Water pollution can cause st
16、omach disease, and the fish in the water will die. We should stop some people from throwing rubbish into the river and factories from pouring waste water into the river 3. (教师收集一些有关污染的图片。让学生描述图片中的污染属于哪一种。然后学生分组讨论污染所带来的影响。做一个有关不同的污染及其所带来危害的板报。)T: Look at these pictures, and discuss in groups about di
17、fferent kinds of pollution and the harm caused by them. Then make a wall newspaper.4. Homework: T: Please write a letter according to the report to an editor. For example:Dear editor, Im writing to you (板书设计)Pollution causes too many problems.Section Dhigh blood pressureBurning coal creates air pollution.in many waysWith less pollution, our planet will becomewith the development of industry effects on our environment 永久免费在线组卷 课件教案下载 无需注册和点数