仁愛版英語教學案例九上Unit2 Topic1 B.doc

Pollution causes too many problems.Section Bproduce terrible gascant stand the environment herejoin the armythe day before yesterdaymanage to do sth.短暫性動詞延續(xù)性動詞leave be awaybecome come begoarrivedie be deadbegin be onHow long have you taught in our school?For 7 years/Since 7 years ago.for+時間段=since+時間點The fisherman bought the VCD yesterday.The fisherman has had the VCD since yesterday.The secretary borrowed this book several days ago.The secretary has kept this book for several days.Xiao Li joined the army last year.Xiao Li has been in the army for a year.Section CThe main activities are 1a. 本課重點活動是1a。. Teaching aims and demands 教學目標1. Learn some new words:coal, deaf, print, disturb2. Let the students know something about noise pollution:(1) Noise is also a kind of pollution and is harmful to human health. (2) People who work and live in noisy conditions may become deaf. (3) Quite a few people living near airports also have hearing loss. (4) Making a loud noise in public is also a kind of pollution; it not only disturbs others but also does great harm to hearing. 3. After this section, students can improve the sense of protecting the environment. . Teaching aids 教具錄音機/多媒體圖片/小黑板 . Five-finger Teaching Plan 五指教學方案Step 1 Review 第一步 復習(時間:6分鐘)1. (教師用上兩節(jié)課的內容引出新的詞匯和語言點。)T: We have learnt Section A and B. We have known some kinds of pollution. Can you list them?Ss:Yes. Such as water pollution, soil pollution, light pollution, air pollution, noise pollution and so on. T: Very good. Lets look at the pictures. (教師展示多媒體上的圖片。)T: (指著圖片。) What are they burning?Ss: (幫學生回答并重復領讀解釋意思。) Coal.T: Can burning coal cause pollution?Ss:Yes. Burning coal can cause air pollution. T: Youre right.(教師展示多媒體上的圖片。) T: Look at the picture. People are producing electricity by wind. (教師釋義并領讀electricity。 )T: (指圖片。) Can it cause pollution? Ss: No. T: Youre right. It cant cause pollution.(讓學生重復讀。) Ss: Producing electricity by wind cant cause pollution.2. (教師讓學生完成1a中的pre-reading questions。) T: OK. Look at the phrases in 1a, and check () which is pollution. (學生可以討論，然后教師與學生核對答案。)Step 2 Presentation 第二步 呈現(xiàn)(時間:14分鐘)T: You know, playing loud rock music at midnight is a kind of pollution. Why?Ss:Because playing loud rock music can make lots of noise. T: Lets look at the pictures. (教師展示多媒體圖片。)T: (指圖片問。) What are they doing?Ss: (教師幫助回答并釋義，領讀print。) They are printing newspapers. T: The machines are making loud noise. Can they hear each other clearly?Ss:No.T: They have to say the words again and again. If they work there for a long time, they may become deaf. (教師指著耳朵重復讀。)T: That is to say, they will have hearing loss. (板書)print, deaf, hearing loss (教師展示多媒體圖片。)T: (教師指著圖片。) They are young people, they are teenagers. (教師釋義teenager并領讀。)T: What are the teenagers doing?Ss:They are listening to pop music. T: Yes, they are listening to loud pop music. Its very harmful to their hearing. It means that loud pop music does harm to hearing. (教師釋義“harm”詞組，并板書要點。)(板書)do harm to be harmful to (教師展示多媒體圖片。)T: What happened in this picture?Ss:There are many cars making lots of noise. T: So cars often cause noise pollution. (教師展示多媒體圖片。)T: (教師指著圖片。) They are working in the sawmill. And it also makes loud noise. (教師展示多媒體圖片。)T: What are they doing?Ss:They are building houses. T: When are they building houses?(教師指著圖片上的月亮/星星。)Ss:At night. T: Where are they?Ss:They are in a community. T: Yes, youre right. Some people are sleeping now. So they may disturb the other people in the community. So we shouldnt make loud noises in public. (教師板書解釋并領讀。)disturb, in public T: From the pictures, we know what causes noise pollution. (再次快速播放上述圖片，教師講述噪音污染的危害，導入1a。)T: Noise pollution can not only cause hearing loss but also make people sick. So noise pullution doesnt make people feel comfortable or pleasant. That is to say, “Noise pollution makes peoples lives uncomfortable and unpleasant. ”(教師領讀，并釋義。)T: (接著說) So we should do something to solve the noise pollution problems. Now, lets look at the two pictures in 1a, then listen to the tape, answer the question “Is the government trying to do something to solve all sorts of problems?”(播放錄音。)(聽完錄音，讓學生回答。)Step 3 Consolidation 第三步 鞏固(時間:5分鐘)1. (播放1a磁帶，學生跟讀，注意語音語調。)T: Listen to 1a and repeat, pay attention to the pronunciation and intonation. 2. (齊讀課文，以保證全體學生加深對課文的理解。)T: Please read the text together. 3. (根據(jù)課文內容，完成1b的練習。)T:Read this passage (1a) again and finish 1b by yourselves. (教師與學生核對答案。)4. (讓學生兩人一組讀課文，討論1c的四個句子應該分別放在課文中的哪一段。)T: Read the passage again, look at the four sentences in 1c. S1, please read the four sentences. S1: T: Which paragraph would they belong to?(教師與學生核對答案，讓學生回答選出正確答案的理由，或教師解釋理由。)Step 4 Practice 第四步 練習(時間:10分鐘)1. (教師用課文中的噪聲污染來啟發(fā)學生找出周圍的噪聲污染。)T: We have learnt noise is a kind of pollution. What causes noise pollution around us?(讓學生分組討論，教師給學生一些引導，讓學生說出我們身邊的噪聲污染。)S1: The students in the next room are singing. S2: Some students are talking loudly in the classroom. S3: Someone is typing the keyboard strongly. S4: Some people answer a telephone call loudly. S5: (教師在列出噪聲污染的各種來源后，教導學生如何避免出現(xiàn)這些現(xiàn)象。從而培養(yǎng)學生的環(huán)境保護意識。)T: Everyone knows noise pollution is harmful to our ears. So how can we solve these problems?S6: Speak to each other in low voice. S7: Try to find a proper place to answer the telephone. S8: Type the keyboard softly. S9: Find a proper place and proper time to have a music lesson. S10: 2. (小組活動，四人一組，引導學生練習身邊的實際生活，討論他們身邊實際存在的各種類型的污染及其危害，并由一名小組成員書面記錄整理，最終以書信的形式將問題反映到報社。完成2。)T: Work in groups of four, think about what kinds of pollution we have in our hometown and discuss what bad effects caused by them. Write it down and after school mail it to the newspaper.Step 5 Project 第五步 綜合探究活動(時間:10分鐘)1. (通過本節(jié)課的學習，讓學生認識到噪音污染的來源及其危害，通過學生的小組活動，調查各種各樣的噪音污染以及怎樣更加有效地加以改進。)T: Make a survey in groups about the noise pollution. Before you do it, Id like to say something about the noise pollution in our school, in my home and my neighborhoods. (通過教師的示范作用，使此練習變得更加容易。)T: In our school the noise pollution is everywhere And in my home, my son likes NBA games. He often watches it loudly And in some public places, people speak loudlyDiscuss in groups and fill in the form.PlaceNameAt schoolAt homeIn other public places S1S2S32. (讓學生根據(jù)調查表進行報告。)T: Please report your work to the class. S5: 3. Homework:T: Please write an article, the title is“My Ideal School”or“My Ideal City”. 板書設計：Pollution causes too many problems.Section Cbecome deaf be harmful to quite a fewdo harm to hearing lossMaking loud noises so much in public is also a kind of pollution.no better thanall sorts of =all kinds of Section DThe main activities are 1a和3. 本課重點活動是1a和3。. Teaching aims and demands 教學目標1. Learn some new words:create, industry, rubbish, blood2. Review useful expressions: (1) Oh, my goodness. (2) All the flowers, grass and fish have gone! (3) There are several chemical factories pouring waste water into the streams. (4) Anyway, Ill manage to leave this place.3. Review some kinds of pollution and the problems caused by them: air / soil / light / water / noise / litter pollution4. Review the present perfect: (1) How long have you been like this? (2) Ive been like this since last month. (3) Bobby has been away from the park since two hours ago / 8:00.(4) Bobby has been away from the park for 2 hours. Teaching aids 教具錄音機/幻燈片/小黑板/多媒體圖片. Five-finger Teaching Plan 五指教學方案Step 1 Review 第一步 復習(時間:15分鐘)1. (復習上一課的1a, 引出新的詞匯。)T: Is noise a kind of pollution?Ss:Yes. T: What can cause noise pollution?S1:The machines in some factories make loud noises. S2:The planes cause noise pollution.S3:Loud pop music.S4:Cars.S5:The traffic. S6: T: Many things making loud noises 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 noises can cause high blood pressure as well.(教師板書新詞并釋義。)high blood pressureT: 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. (教師展示多媒體圖片。)T: Its a picture about soil pollution. What causes soil pollution?S1:People use chemicals too much in their fields. T: So they destroy the soil. (教師板書destroy并釋義。)(板書)destroy(教師展示多媒體圖片。)T: Look at this picture. Whats on the ground?Ss:(教師引導學生回答。) Waste bottles, waste paper, waste plastic and so on. T: Yes. Its a pile of rubbish. (教師板書并講解rubbish。)T: (指著圖片中的工業(yè)區(qū)) What place is it?Ss:“工業(yè)區(qū)”。T: Yes, its an area of industry. (教師板書并講解industry。)Step 2 Presentation 第二步 呈現(xiàn)(時間:7分鐘)1. (教師展示幾種類型的污染圖片，讓學生說出是什么污染。)T: Look at Picture 1. Which kind of pollution is it?S1:Its a picture about air pollution. T: Why?S2:Because burning coal can make terrible gas. So it can cause breathing problems.T: Look at Picture 2. Which kind of pollution is it? S3:Light pollution. T: Yes. Look at the strong, changeable light. Its bad for eyes. T: Look at Picture 3. What is he doing?Ss:He is throwing away lots of rubbish.(教師板書，并釋義詞組。)(板書)throwaway (教師總結。)T: From the pictures, we know there are many kinds of pollution in the world. They are bad for our health in many ways. If there is no pollution on the earth. What will the earth be like?Ss:Maybe our earth will be greener and more beautiful. T: Yes. We should protect our plants from now on. OK , lets look at 1a. Please fill in the blanks with the words and phrases above. (學生用所給的單詞和短語填空，老師與學生核對答案。)(讓學生再次閱讀1a，同時思考小黑板上的問題。)1. How many kinds of pollution are mentioned in the passage?2. Whats the effects of each pollution?3. How can we make our planet better?(教師讓學生回答問題，然后完成1b。)T: Please fill in the form on Page 31 according to the questions on the small blackboard. (學生填表格后，教師與學生一起核對答案。)Step 3 Consolidation 第三步 鞏固(時間:5分鐘)1. (學生一起朗讀1a。)T: Read the passage together. 2. (1)(教師問，學生答。問題可由易到難，由一般疑問句到特殊疑問句。)T: Now answer my questions. First,“Yes”or“No”questions. OK?Ss:Yes. T: No. 1: Are there many kinds of pollution around us? No. 2: Are they bad for our health? No. 3: Can air pollution cause breathing problems? No. 4: Is noise pollution harmful to people? No. 5: Do people like working under strong changeable light? No. 6: Are you sure our planet will become greener?(2)(通過學生和學生之間的Yes/No的問答，鞏固對1a的理解。)T: Now pair work. One student asks and the other answers. Just“Yes”or“No”questions. Please use“Yes”or“No”questions as many as possible. 3. (1)(教師用wh-question問，學生回答。)T: Now answer my wh-questions about the text. No. 1: How many kinds of pollution are mentioned in this passage? No. 2: What effects can air pollution cause to children? No. 3: What effects can noise pollution cause? No. 4: What effects can light pollution cause? No. 5: What measures should the government take, in your opinion? No. 6: What is the main idea of 1a? (2)(在學生完全理解上述問句，并回答正確后，展開小組活動，以便于更好地鞏固1a。)T: Now its time for pair work.(學生之間分組問答，教師給予指導。)Step 4 Practice 第四步 練習(時間:12分鐘)1. (教師通過復習西山的污染引出現(xiàn)在完成時。)T: Without pollution, our earth will be greener. Without pollution, West Hill must be a beautiful place. But now West Hill is polluted. How long have people polluted it?Ss:For a month / Since last month. T: How long have the flowers and grass been dead?S5:Maybe since last month. T: Yes. How long have the animals been away?S6:They have been away for a month / since last month. (板書)how long have / has been deadhave / has been away for a month / since last month(教師讓學生看黑板上的句型，說出需注意的問題：時間狀語for+時間段/since+時間點。how long的謂語動詞需用延續(xù)性動詞。放錄音，讓學生跟讀2a. )T: Please listen to 2a and read after it. 2. 由一個組說出一個過去式的句子(含有過去式的時間狀語)，另外幾組把它改成含有for/ since時間狀語的現(xiàn)在完成時，讓學生進一步掌握語法。Fox example: Group 1: My uncle went to Beijing 2 days ago. Group 2: He has been in Beijing for 2 days / since 2 days ago. Group 3: The shop opened 3 minutes ago. Group 4: The shop has been open for 3 minutes / since 3 minutes ago. T: Well done. You have learnt the present perfect very well. (教師通過復習西山的污染一課中的句式來練習2b的句子。)T: What is West Hill like now?S7: All the grass, flowers and fish have gone. S8: The rabbits, bees and butterflies have gone, too. S9: The water is dirty. S10: The air is terrible. S11: There are several chemical factories pouring waste water into the river. S12: T: Oh, my goodness! West Hill is polluted so seriously. So the Granny will mange to leave there. Now lets listen to the tape of 2b, and read after it.(教師放錄音，讓學生跟讀2b。講解并強調這些功能用語。)T: How many kinds of pollution are there on the West Hill, can you find them?(學生根據(jù)上面談論的答案或Section A. B的圖片回答，并解釋原因，讓學生用所學知識發(fā)現(xiàn)污染。為做環(huán)保人作鋪墊。)S1: There is air pollution. Because the air is terrible. S2: There is water pollution. Because the fish have gone. S3: There is noise pollution. Because Granny cant sleep well. S4: T: There are so many pollution problems on West Hill. How can we deal with them?(讓學生分組討論。)S1: Write a letter to newspapers and TV stations. S2: Make some rules to stop pollution. S3: Pull down the factories. S4: (教師總結。)Step 5 Project