1、Unit 5 pollution說課稿,無(wú)錫立信職教中心校 外語(yǔ)組 胡 燕,教材分析,教材處理,說教法,教學(xué)手段,教學(xué)程序,說學(xué)法,教材分析,教材的地位及作用,本單元主題緊扣生活，實(shí)用性教強(qiáng) , 共由聽、說、讀、寫、語(yǔ)法五大部分組成，環(huán)環(huán)相扣，循序漸進(jìn)，激發(fā)和培養(yǎng)學(xué)生學(xué)習(xí)的興趣，從而進(jìn)一步加強(qiáng)學(xué)生的語(yǔ)言綜合運(yùn)用能力。,本次授課，我是針對(duì)課文閱讀部分展開的。這部分內(nèi)容是本單元的核心部分，對(duì)“污染”這個(gè)話題進(jìn)行了深入剖析，人口、水、空氣污染的描述，更讓學(xué)生對(duì)此有了直觀的了解，激發(fā)他們進(jìn)一步的思考，究其原因，尋求解決方法。,學(xué)生能夠從整體上把握課文內(nèi)容,掌握文中的一些基本句子結(jié)構(gòu),了解課文內(nèi)涵。,知

2、識(shí)目標(biāo)：,提高學(xué)生聽、說、讀、寫以及知識(shí)自學(xué)的綜合能力。,能力目標(biāo)：,通過了解幾種污染的特征、起因和危害，學(xué)生能夠深刻體會(huì)到保護(hù)環(huán)境的重要性和必要性，樹立反對(duì)污染、抵制污染的決心，從身邊小事做起，培養(yǎng)健康的、積極向上的人生觀和生活觀。,德育目標(biāo)：,重點(diǎn)： 整體把握文章的脈絡(luò)，明確污染的種類、起因、危害。,難點(diǎn)： 在對(duì)課文內(nèi)容把握的基礎(chǔ)上，積極思考解決污染問題的方法和途徑。,重 點(diǎn) & 難 點(diǎn),根據(jù)以上對(duì)教材的分析，同時(shí)針對(duì)中國(guó)學(xué)生學(xué)習(xí)外語(yǔ)存在一定困難的實(shí)際情況。首先給學(xué)生創(chuàng)造外語(yǔ)語(yǔ)言氛圍，比如讓學(xué)生以“特派記者”的身份，對(duì)污染嚴(yán)重地區(qū)進(jìn)行揭露與報(bào)道，同時(shí)激發(fā)學(xué)生興趣，使學(xué)生在參與活動(dòng)的過程中，

3、了解情況，掌握知識(shí)。最后，可以讓學(xué)生再以“記者”的身份，對(duì)“污染”、“拯救地球”這些主題進(jìn)行評(píng)論。,教材處理,說 教 法,教師為主導(dǎo)，學(xué)生為主體。,通過情景設(shè)置法、講授法、討論法、事例分析法、歸納總結(jié)法，精講巧練，由淺入深，由易到難，由已知到未知，循序漸進(jìn)地深化教學(xué)內(nèi)容。,發(fā)現(xiàn)問題探究問題解決問題,說學(xué)法,通過觀察分析法、討論法、前后對(duì)比法、練習(xí)鞏固法、自學(xué)法，學(xué)生能夠?qū)ξ恼碌恼w結(jié)構(gòu)有了更深層次的理解和掌握，提高學(xué)習(xí)效率。,教學(xué)手段,主要以現(xiàn)代化電教手段多媒體輔助教學(xué)，貫穿整個(gè)教學(xué)過程。增加了直觀性和趣味性，加大了課堂密度，提高了教學(xué)效果。,Lesson 5 Pollution Readin

4、g,Warming-up,Questions:,2.What do you think they are talking about?,1.What can you see in the picture?,Suppose you are legmen(特派記者) from China Daily. This week, we will do an investigation on “environment ”.,You will go to a city which is far away from our city.Then you can take photos and interview

5、 the native people about the city.,Condition imagination,Task:,What can you see now?,Factories,Rivers,People,Cars,Next, an old woman, who has lived there for over 50 years, will tell you what the city is like in her eyes, of course, some reasons for those above.,Listen to the tape,Task:,After going

6、through these short texts, you should match the pollution、cause and harm properly.,Step1 Skimming & scanning,population pollution,air pollution,water pollution,smoke & fumes from burning fossil fuels,population explosion,waste from factories & cities,lack of the Earths resources & hunger,acid rain,t

7、he shortage of water resources,pollution,cause,harm,Task:,After going through these short texts in details, you should answer some related questions.,Step2 Detail-reading,1.What is population pollution?,2. What is mans greatest problem now?,3. What are the main polluters of water pollution?,4. Why a

8、re many rivers and lakes no longer safe for swimming?,5. What is acid rain and how does it come into being?,Questions:,1.What is population pollution?,2. What is mans greatest problem now?,3. What are the main polluters of water pollution?,The increase in the number of people.,How to control the gro

9、wth of his own population.,Urban industries and households.,Answers:,4. Why are many rivers and lakes no longer safe for swimming?,5. What is acid rain and how does it come into being?,Because a lot of diseases are present in the water.,Acid rain is rain that is more acidic than normal.,Smoke &fumes

10、 (CO2、SO2),+,moisture,=,Acid rain,VS,before acid rain,after acid rain,1.Many of the worlds pollution problems have been caused by the development of the society.,2.If the population increases too fast, the Earths resources will not support human beings.,3.Sewage flowing into the Yangze River made up

11、 50 percent of all sewage in China.,4.Power plants use water and wood to produce the electricity we need.,5.Acid rain is caused by air pollution but the life cycles of plants and animals on the land and in water.,True or False:,Task:,After going through these short texts, you can try to finish the r

12、elated exercise.,Step3 Related practice,Talk about possible changes with your partner.,additional thinking,If we go on catching all the small fish, there will be no fish left in the seas. If we go on killing wild animals, there will be none left for us to study. If we go on having large families, th

13、ere wont be much room left. If we go on cutting down forests, well turn the land into a desert. If we go on polluting the rivers, well kill all the fish.,Answers:,Discussion,1.What do we know about the problems that the earth is facing?,2. Discuss the methods to deal with these problems: population

14、pollution,water pollution and air pollution.,Discuss the following questions in groups:,Serious problems that is threatening our earth:,Hunger,Lack of water,Lack of land,All kinds of pollution,Analyze,How to solve it,Family,planning,save,water,protect plant,sandstorm,can protect environment,I hope e

15、veryone,Warning: No Earth, no us!,Writing,Try to write a short passage about “saving the earth”, including the following information.,2. Why do we save the earth?,3. How can we save the earth?,1. What is the earth like now?,Homework,1. Write a short passage on “saving the earth”. 2. Finish off the work exercise .,population pollution,air pollution,water pollution,smoke & fumes from