仁愛版九年級上冊教案.doc

第一課時Topic 2 All these problems are very serious. Section A備課人：楊玉蘭Teaching aims and demands 教學目標1.知識與技能Learn some new words and phrases；some useful sentences； Learn the indefinite pronoun and adverb:2.過程與方法 Through listening,speaking, reading and writing,teach the students how to use the English language.3.情感、態(tài)度、價值觀 Learn the importance of protecting the environment. 4.教學重難點 The use of the indefinite pronoun and adverb:5.教學準備Tape recorder and some pictures. 導學提綱一.簡要提示 通過談論不同種類的污染及危害，提高學生的環(huán)保意識。并讓學生學習不定代詞和不定副詞的用法。二.認知與探究知識性問題1. Learn some new words and phrases:as a result, behavior, in the beginning, day by day, die out2. Learn some useful sentences: (1) Oh, my goodness! (2) Look, there are several chemical factories pouring waste water into the stream.3. Learn direct speech and indirect speech:(1)As a result, air pollution has become a serious problem. (2)Humans have come to realize the importance of protecting animals.探究性問題 (1) None of us likes pollution. (2) Dont spit anywhere in public. (3) Everyone should care for wild animals and plant more trees. 三.梳理與反饋1. 梳理：What have you learned from this lesson?2. 反饋: （見后反饋訓練）教學過程：Step1.自學導綱新課導入 復習污染的類型及其危害，教師創(chuàng)設一個空氣污染的情境，引入本課話題。T:What kind of pollution is it?Ss:It is noise pollution.T:What harm can it cause?S1:It can disturb others and make people feel uncomfortable and unpleasant.S2:It does great harm to peoples hearing. It can even make people sick or deaf.T:Good. How should we solve this problem?S3:Dont always listen to loud pop music.S4:Dont make a loud noice in public.1. 出示導綱，學生自學。Step 2合作互動1.展示1a的圖片，導入新課，呈現(xiàn)本課生詞和詞組。講解不定代詞和不定副詞的用法。教育學生必須保護環(huán)境。T:It is too dirty and there is too much heavy smoke outside. I cant stand it.T:Do you like the environment here?Ss:No, we dont.T:Why?Ss:Because there is too much smoke. Its a serious air pollution.T:Very good. We should stop burning coal. It is said that China has become the worlds largest producer and user of coal. As a result, air pollution has become a serious problem.T: Now our government has realized the importance of protecting the environment.T: We should do something useful to protect the environment, too.T: Can you tell me what we should do?S1:We shouldnt leave rubbish here and there.S2:Dont spit anywhere in public.S3:Dont walk on grass.S4:T: Well done. We should do everything we can to protect the environment.2. T: Listen to the tape, and answer the questions on the small blackboard. (1)Whats the article about?(2)What should we do and not do to protect the environment?2. Read 1a again, and try to find the indefinite pronouns or adverbs.T:We know we should protect the environment. What should we do? Please use the indefinite pronouns or adverbs in your sentences. S1: None of us should step on the grass.S2: Dont throw rubbish everywhere.S3: Nobody should pick the flowers.S4: Dont spit anywhere.S5: Everyone should care for animals. T: Excellent. We should do everything we can to protect the environment.4.Read this dialog together again, and then try to answer the questions in 1b as quickly as you can. 5.In the past, people killed animals for their meat and skins. Now some kinds of animals are becoming fewer and fewer. And some animals are in danger of dying out completely. Listen to the tape and finish 3. Step 3 導學歸納Sum up: What have you learned from this lesson? Do you have any other questions?Step4 反饋訓練見練習冊2. Homework:Make some class rules or school rules about protecting environment.板書設計：All these problems are very serious. Section Aas a resultBut the government is doing something useful to protect the environment.something usefulNone of us likes pollution.in the beginningDont spit anywhere in public.day by dayEveryone should care for wild animals and plant more trees.die outWe should do everything we can to protect the environment.第二課時Section B. Teaching aims and demands 教學目標1.知識與技能Learn some new words and phrases；some useful sentences； Learn the indefinite pronoun and adverb:2.過程與方法 Through listening,speaking, reading and writing,teach the students how to use the English language.3.情感、態(tài)度、價值觀 Learn the importance of protecting the environment. 4.教學重難點 The use of the indefinite pronoun and adverb:. Teaching aids 教具幻燈片/錄音機/圖片導學提綱一.簡要提示 通過談論不同種類的污染及危害，提高學生的環(huán)保意識。并讓學生學習不定代詞和不定副詞的用法。二.認知與探究知識性問題Learn some new words and phrases: Sand cut down change into prevent prevent from aithough2. Learn some useful sentences:1 as a result ,a lot of rich land has changed into desert 2Tress can stop the wind from blowing the earth away 3we still need to work hard to proect the environment探究性問題 (1) None of us likes pollution. (2) Dont spit anywhere in public. (3) Everyone should care for wild animals and plant more trees. 三.梳理與反饋3. 梳理：What have you learned from this lesson?4. 反饋: （見后反饋訓練）教學過程：Step1.自學導綱3. 新課導入 通過方格游戲，來復習不定代詞和不定副詞的用法。(讓同桌兩人做一個33的方格，將上節(jié)課Section A中2的10個不定代詞(everyone和everybody任選其一)放入方格中。教師事先準備九道練習題，答案就是方格中的九個不定代詞。教師將這些習題逐一呈現(xiàn)出來，同桌兩人搶圈答案，誰搶到的多誰獲勝。在此過程中，教師每呈現(xiàn)一題核對一次答案。)(供參考)(表格及習題如下：)noneothersomethingeveryone everybodynobodyanythingeverywhereanybodyothers(1) None of us knows how to stop the bad behavior.(2) I knocked on the door but nobody answered.(3) Some of these books are better than others.(4) She was driving the car with one hand and wiping the window with the other.(5) They are beautiful but I am looking for something useful.(6) You cant believe anything she says.(7) Therere 5 000 people living here and almost everyone/everybody has his/her own car.(8) Hes cleverer than anybody I know.(9) Ive looked everywhere but I cant find it.Step 2合作互動通過多媒體呈現(xiàn)1c中的圖片，創(chuàng)造情景對話，呈現(xiàn)新單詞和詞組，學習1a。1. (呈現(xiàn)1c中的圖片，學習新詞匯。)T:Look at Picture 2 in 1c.T:(指著第二幅圖。) Is the scenery beautiful?Ss:Yes.T:OK. Lets look at Picture 4. Is it beautiful?Ss:No.T:What has happened to the forest?Ss:It has gone.T:Yes. People have cut down too many trees.(板書并要求學生掌握。)cut downT:Please look at Picture 1. A lot of earth has been washed away. Why?Ss:Because people have cut down (教師引導學生回答。)T:Thats right. Trees can prevent the water from washing the earth away.(板書并要求學生掌握。) preventfrom=stopfromT:Lets look at Picture 3. Oh, my goodness! The forest has changed into desert.(板書并要求學生掌握短語change into；理解desert。) change intodesertT:Please look at Picture 5. Whats the weather like?Ss:Its bad.T:I agree with you. The wind is blowing strongly with lots of sand. We call it sandstorm.(板書并要求學生掌握sand；了解sandstorm。)sandsandstormT:Is cutting down trees good or bad for us?Ss:Its bad.T:Very good. Its harmful not only to human beings, but also to animals and plants.(板書并要求學生理解。) human beingT:So what can we do to protect the environment? Discuss in groups of four.(給學生兩分鐘，讓他們討論。)S1:Plant more trees.S2:Stop cutting down trees.S3:T:Good idea. Although we have done a lot to protect the environment, its not enough yet. Lets work harder.(板書并要求學生掌握。) although2. (讓學生小組討論完成1c。)T: Do you know the relations between trees, human beings and sandstorms? Do you know how sandstorms come into being? Now please look at the pictures in 1c and number them. (核對答案。)3. (聽1a錄音回答問題。)T:Just now we talked about how sandstorms come into being. Now listen to 1a, and answer the questions on the blackboard. (板書)(1) Whats the weather like today?(2) What should we do to protect the environment? (核對答案。)4. (讓學生分成小組，讀1a，提出不懂之處。小組內討論，解決各自提出的問題；最后全班共同討論，解決遺留問題。用此方式可以讓學生充分參與到教學過程中來，進行自主探究學習，教師做補充講解。) T: OK, please work in groups. Find and talk about the language points and difficult points, then Ill ask some students to give their answers to the class. 教師放1a錄音，學生表演朗讀，完成1b。讓學生明白樹木在環(huán)境保護中的重要性，增強環(huán)保意識。1. (讓學生跟讀1a錄音，并注意語音語調。)T:Now, please read after the tape. Pay attention to the pronunciation and intonation. 2. (讓學生三人一組表演這個對話，稍后檢查活動成果。)T:Please work in groups of three. After a while, Ill ask several groups to act out this dialog. G1: G2: 3. (讓學生看1b的圖片，完成1b。)T:Lets look at the picture in 1b. Make notes of trees functions according to 1a by yourselves. (學生完成后，讓學生一個接一個地把答案讀出來。)T:Please read your notes one by one. S1:教師展示一幅水被污染的圖片，呈現(xiàn)2中的新詞匯。讓學生懂得怎樣保護和節(jié)約水資源。1. T:Now we know that a lot of water can be saved by forests. Why should we save water?Ss:Because it is very important.T:Thats right. We cant live without water. So we should protect water.(展示一條被工廠污染的河的圖片，引出2中的新詞匯。)T:Look at the picture. Can people drink the water in the river?Ss:No.T:Why?Ss:Because the water is too dirty.T:What causes it?Ss:Factories are pouring waste water into the river.T:Good. What can we do to stop it?S1:Pull down the factories.S2:Write to the newspaper or the government.S3:T:Very good. We can stop factories pouring waste water into rivers by cutting off their water supply. And we can also pass laws against it.(板書并要求學生掌握。) law T: Do you know some other ways of protecting and saving water? For example, remember to turn the tap off when you leave. (板書turn off，要求學生掌握；板書tap，要求學生理解。)tapturn off turn on2. T: Now, read 2 and discuss in groups of four.(小組代表報告，教師板書總結。)綜合運用本課的語言項目，探討水資源保護的相關問題；課后寫一篇有關“保護和節(jié)約水資源”的短文，進一步增強學生的環(huán)保意識。1. (讓學生討論如下問題，為寫作做準備。)T:OK. We know water is very important to human beings. Now please talk about the following questions:(1)Why should we save water?(2)Whats the importance of water?(3) How should we save water?(討論完后匯報結果。教師將關鍵詞板書，以利于學生寫作。)2. Homework:(1) Find out more information about water. (2) Step 3 導學歸納Sum up: What have you learned from this lesson? Do you have any other questions?Step4 反饋訓練ite a short passage with the title “Protecting and Saving Water”.板書設計：All these problems are very serious. Section Bcut downprevent from =stop from change into deserthuman beingTrees can stop the wind from blowing the earth away.although / but Pass laws against water pollution.turn offRemember to turn the tap off when you leave.第三課時Section CTeaching aims and demands 教學目標1.知識與技能Learn some Learn some new words and phrases:on earth, period, millions of, take away, rise, level, refer to2. Learn some useful sentences: (2) The heatrom the sun cant escap (1) When it rains or when the wind blows, the earth is taken away. fe so the temperature is rising.2.過程與方法 Through listening,speaking, reading and writing,teach the students how to use the English language.3.情感、態(tài)度、價值觀 Learn the importance of protecting the environment. 4.教學重難. Learn to talk about the harm of pollution:(1) Forests have become deserts, so more and more sorts of animals and plants are disappearing.(2) As a result, many rivers and lakes are now dead. (3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.(4) It causes the level of the oceans to rise and the climate of the earth to change.5.教學準備Tape recordernd some pictures.一.簡要提示 導學提綱導 通過談論不同種類的污染及危害，提高學生的環(huán)保意識。并讓學生學習不定代詞和不定副詞的用法。二.認知與探究知識性問題Learn some Learn some new words and phrases:on earth, period, millions of, take away, rise, level, refer to2. Learn some useful sentences:探究性問題 1Forests have become deserts, so more and more sorts of animals and plants are disappearing.(2) As a result, many rivers and lakes are now dead. (3) Too much harmful radiation from the sun passes through the hole and reaches the earth directly.(4) It causes the level of the oceans to rise and the climate of the earth to cha. 三.梳理與反饋5. 梳理：What have you learned from this lesson?6. 反饋: （見后反饋訓練）教學過程：Step1.自學導綱新課導入通過檢查作業(yè)，引導學生開拓思維，提出保護環(huán)境和水資源的具體措施，復習不定代詞和副詞。為學習新詞匯作準備。(檢查作業(yè)，并找學生匯報結果，引導學生如何保護水資源。)T:How do you protect our environment and save water?S1:Everyone should plant more trees.S2:We should do everything we can to save water.S3:Everybody should know the importance of forests.S4:Pass laws against water pollution.S5:Collect and reuse waste water.Step 2合作互動教師通過日常對話，借助1a中的圖片，創(chuàng)設情景，導入新課，呈現(xiàn)新的詞匯。1. (教師由日常對話，引出本課話題，呈現(xiàn)部分新詞匯。)T:Whats the weather like today?Ss: Its T:As we know, Beijing often has sandstorms in spring. What causes the bad weather?Ss:Cutting down too many trees. (展示1a第二幅圖畫。)T:Yes. All over the world, people have cut down millions of trees. And trees become fewer and fewer.(板書并要求學生掌握。) millions ofT:Cutting down too many trees causes the bad weather. How can trees affect the weather?S1:They can keep water from running away. S2:They can stop S3:T:Yes. Trees can stop the wind and water from taking the earth away.(板書并要求學生掌握。)take awayT:Anything else?Ss:(允許學生用漢語回答。)樹能吸收二氧化碳并釋放氧氣。T:Thats right. Trees can breathe in carbon dioxide and breathe out oxygen. (板書并要求學生理解。)carbon dioxide: CO2oxygen: O2T:Where does CO2 come from?S4:Animals breathing.S5:Burning oil. For example, cars and buses.T:Yes. They have polluted the air. Carbon dioxide in the air has increased a lot. This has formed a “blanket” around the earth.(展示1a第五幅圖。)Please look at the picture. (板書并要求學生理解。)blanketT:The heat from the sun cant escape, so the temperature is rising.(板書并要求學生掌握rise；理解escape。) escaperiseT:This is called “the greenhouse effect”.(板書并要求學生理解。) the greenhouse effectT:Because of the greenhouse effect, what happens to the icebergs(冰川)?Ss:Some parts of them change into water.T:So it causes the level of the oceans to rise.(板書并要求學生掌握。) levelT:(展示1a第4幅圖。)Please look at this picture. Around the earth, theres a special kind of oxygen called “ozone”.(板書并要求學生理解。) ozone: O3T:But now air pollution is destroying it and that has made a very big hole in the ozone layer.(板書并要求學生理解。) ozone layerT:Too much harmful radiation from the sun passes through the hole and reaches the earth.(板書并要求學生理解。) radiation2. (讓學生快速閱讀1a，用所給的詞組填空。完成1a。) T: We humans have lived on earth for only 35 000 years, but during this period we have changed our planet a lot in many ways. Now read the passage and then choose a suitable title for each paragraph. (板書并要求學生掌握。)on earth, period(學生完成后與教師核對答案。)3. (教師出示小黑板上的問題，讓學生再讀一遍課文后回答。)(1) Have we changed our planet in many ways?(2) Have people done good to the earth?(3) Why are more and more sorts of animals and plants disappearing?(4) Are many rivers and lakes dead now?(5) Is ozone important to the earth? Why?(6) Has carbon dioxide in the air increased a lot?(讓個別學生回答，完成小黑板上的問題。)讓學生再次讀1a，完成1b，鞏固本課的語言點，培養(yǎng)學生的閱讀能力。1. (讓學生再次讀課文，完成1b。)T: Read the passage again. Finish 1b alone. (板書并讓學生猜測Mars和refer to的漢語意思。掌握refer to；了解Mars。) Marsrefer to(學生完成后，師生核對答案。)2. (放錄音，學生跟讀課文。)T: Now follow the tape to read the passage.3. (教師讓學生討論并找出新的或不懂的語言點，培養(yǎng)學生的自主學習能力。教師解釋學生仍有疑惑的知識點并板書。)4. (讓學生兩人一組討論，完成下面的表格。)T: How many kinds of pollution are mentioned in the passage? How do they affect our environment? According to 1a, finish the form on the blackboard. (板書)Kind of pollutionEffectStep 3導學歸納使學生了解各種污染對地球環(huán)境的影響，培養(yǎng)他們的環(huán)保意識。1(1)changein many ways(2)important, destroy, too much, harmful radiation, cause cancer(3)increase a lot, blanket, rise, change(4)serious, do somethingStep 4反饋訓練見練習冊板書設計：All these problems are very serious. Section Cmillions of When it rains or when the wind blows, the earth is taken away.take awayAs a result, many rivers and lakes are now dead. refer toThe heat from the sun cant escape so the temperature is rising.It causes the level of the oceans to rise and the climate of the earth to change.第四課時SectionDTeaching aims and demands 教學目標1.知識與技能Learn some new words and phrases；some useful sentences；2.過程與方法 Through listening,speaking, reading and writing,teach the students how to use the English language.3.情感、態(tài)度、價值觀 Learn the importance of protecting the environment. 4.教學重難點 The use of the indefinite pronoun and adverb:5.教學準備Tape recorder and some pict Through listening,speaking, reading and writing,teach the students how to use the English language.3.情感、態(tài)度、價值觀 Learn the importance of protecting the environment. 4.教學重難點 The use of the indefinite pronoun and adverb5.教學準備Tape recorder and some pictures.T導學提綱一.簡要提示 通過談論不同種類的污染及危害，提高學生的環(huán)保意識。并讓學生學習不定代詞和不定副詞的用法。二.認知與探究知識性問題1) This harms the environment (2) At the same time, dealing with (3) Of all the garbage, about 35 percent can be recycled while the rest cant. (4) How shall we deal with it?探究性問題(1) None of us likes pollution.(2) Dont spit anywhere in public.(3) Everyone should care for wild animals and plant more trees.(4) We should do everything we can to protect the environment. 三.梳理與反饋7. 梳理：What have you learned from this lesson?反饋: （見后反饋訓練.Step 1自學導綱新課導入師生對話，復習Section C的內容，為學習新詞匯作準備。1. (復習討論Section C的綜合探究活動，教師作總結。)2. (教師通過復習上一課的內容為學習新詞匯做準備。)T: After learning Section C, we have known that many kinds of pollution affect our environment. How do factories affect our environment?S1: They / Factories have polluted the land and the water. S2: Factories make some rivers and lakes dead now.S3:T: Very good. How do cars and buses affect our environment?S4: They have polluted the air. S5: They have caused noise pollution. S6: T:How does cutting down too many trees affect our environment?S7:Some forests have changed into deserts. S8:More and more different sorts of animals and plants are disappearing. S9:When it rains or when the wind blows, the ea