Wex27retryingtosavetheearth!優(yōu)秀教學(xué)設(shè)計

1、Unit 13 Were trying to save the earth!Section A 1a-2d教學(xué)重難點學(xué)情分析 :九年級學(xué)生對環(huán)境污染已經(jīng)比較了解，概括能力和推理能力也有很大的提高，環(huán)境意識和社會責(zé)任感更加強烈。因此，學(xué)生對本課時的內(nèi)容興趣濃厚，參與積極。另一方面，由于學(xué)生的社會經(jīng)驗相對缺乏，對于怎樣全方位解決環(huán)節(jié)污染問題，他們需要通過討論活動，把語言學(xué)習(xí)和實際交流結(jié)合起來，從而形成相對完整和相對全面的認(rèn)識。一、教學(xué)目標(biāo)：1.語言知識目標(biāo)重點詞匯： litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic。重點

2、句型 ： We re trying to save the earth!The river used to be so clean.The air is badly polluted.No scientific studies have showed that shark fins are good for health.We should help save the sharks.2. 技能目標(biāo) : 學(xué)生能模仿聽力原文，能運用聽力材料中的知識，口頭談?wù)撛胍粑廴荆諝馕廴?，水污染，土地污染產(chǎn)生的因素以及如何減少這些污染。能正確運用現(xiàn)在進(jìn)行時，現(xiàn)在完成時，被動語態(tài)，情態(tài)動詞和 used to句型

3、。3.情感目標(biāo) : 學(xué)生能口頭運用現(xiàn)在進(jìn)行時表達(dá)環(huán)境污染的現(xiàn)狀，運用情態(tài)動詞表達(dá)應(yīng)該采取的措施。有二、教學(xué)重難點：1.教學(xué)重點：（1）能正確運用現(xiàn)在進(jìn)行時，現(xiàn)在完成時，被動語態(tài)，情態(tài)動詞和used to 句型。（2）保護環(huán)境的措施方法。2教學(xué)難點：現(xiàn)在進(jìn)行時，情態(tài)動詞和used to 句型?！菊n前準(zhǔn)備】收集有關(guān)環(huán)境污染的資料、準(zhǔn)備錄音機、多媒體課件，學(xué)案【教學(xué)方法】任務(wù)型教學(xué)法、情景交際法、自主學(xué)習(xí)和合作學(xué)習(xí)相結(jié)合。三、整體設(shè)計教學(xué)過程設(shè)計I. PresentationShow the picture of the earth and tell students the earth is po

4、lluted now.For example: (1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into the river.(3) People should throw away litter in the bin.(4)There are more cars on the road.II. LearningHere are some words related to different kinds of pollution. Write t

5、hem in the box below. Then add more words.loud musiccarsrubbishplanes litteringshipsfactoriessmokingbuilding housesmobile phonesnoise pollutionair pollutionwater pollution_1_Keys: noise pollutionloud musicplanesmobile phonesbuilding housesair pollutionfactoriessmokingcarsbuilding houseswater polluti

6、onshipsrubbishlitteringfactoriesIII. Listening1. 1b Listen and complete the sentences.What was the problem?The riverwas _. Even the bottom ( 底部) of the river was full of _. There were nomore _ for fishermen (漁民 ) to catch.What caused the problem?Peoplearethrowing_intotheriver.Factories are putting _

7、 into the river.How should the problem be solved?Weshouldwriteto the _ and ask themto _ the factories.Everyone should helpto_ the river.Keys: really dirtyrubbishfishlitterwastegovernmentclose downclean up2. Listen again and check () the sentences you hear.1) We could go fishing in the river.2) The r

8、iver was really dirty.3) The river has always been the nicest river in this town.4) We should ask the teachers for help.Keys: 2 3IV. Practice1. Role-play the conversation in 1c.Mark: The river was dirty. Even the bottom of the river was full of rubbish.Tony: But it used to be so clean!Mark: Yes, but

9、 people are throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!2. Make conversations using the pollution in 1a.A: The river has always been the nicest river in this town.B: Yes, it used to be so clean.A: But I was there last weekend and the river was real

10、ly dirty.B: What caused the problem?A: People are throwing litter into the river.B: What should we do?A: Factories are also putting waste into the river.B: Yes, everyone in this town should play a part.A: We should write to the government and ask them to close down the factories.B: What else can we

11、do?A: Everyone should help to clean up the river.V. Language points1. We re trying to save the earth!我們正在竭盡全力拯救地球!try to do =try ones best to do努力去做某事。2e.g. Every student should try to study hard in order to study in a university.為了進(jìn)入大學(xué)學(xué)習(xí)，每個學(xué)生都應(yīng)該努力學(xué)習(xí)。2. Here are some words related to different kinds

12、 of pollution.be related to與 有關(guān)e.g.I am notrelatedtohim in any way.我和他無任何關(guān)系。3. Everyone in this town should play a part in cleaning it up!play a part in在 方面起作用e.g. A good diet plays a large part in helping people live longer.健康的飲食在幫助人們長壽方面起著非常大的作用。play a part在 中扮演角色e.g. He was invited to play a part

13、 in this TV play.他被邀請參加這個電視劇的演出。4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.litter和 rubbish都可指“垃圾” ，用作不可數(shù)名詞。rubbish指“沒用的東西( 被扔或?qū)⒁獊G棄的無用的東西) ”不可回收。litter指“ ( 室內(nèi)或公共場所 ) 亂扔的廢物 ( 紙屑、不要的包裝紙、廢瓶等) ”還可回收e.g. Throw the rubbish out.把垃圾扔出去。The room is

14、full of rubbish.房間里堆滿了垃圾。Pick up your litter after a picnic.野餐后將廢棄物收拾好。VI. Listening1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.A. land pollutionB. air pollutionC. noise pollutionD. water pollutionKeys: B A2. 2b Listen again and complete the sentences

15、.1) The air is badly polluted because there are _ on the road these days.2) Factories that burn coal also _ the air with a lot of black smoke.3) There is also too much rubbish and waste. People _ things every day.4) People are alsolitteringin_ likeparks.This isturningbeautifulplacesintougly (丑陋 ) on

16、es.Keys: more carspolluteare throwing awaypublic places3. Listen and answer the questions.1) Who is the interviewer talking to?2) What are they talking?3) What other problems do they see? Keys: Susan and Jason.The environmental problems.There s too much rubbish and waste in the streets.VII. Practice

17、 (2c)Use the information in 2a and 2b to role-play conversations between Jason and Susan.Jason: The air has become really polluted around here. Im getting very worried.Susan: Yes, I used to be able to see stars in the sky.3Jason: The problem is thatVIII. DiscussionAsk students what we should do to s

18、ave the earth. Help students answer, turn off thelights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper.IX. Reading1. Read 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden ( 木頭的 ) chopsticks or plastic forksr

19、ubbish2. Role-play the conversation.Interviewer: Jason and Susan, what are your ideas for solving these problems?Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving.Susan: Yeah, or ride a bike. There are other advantages (優(yōu)點 ) of bike riding. It s good forheal

20、th and it doesn t cost (花費 ) anything!Interviewer: Great ideas! What about waste pollution?Susan: I think simple things like bringing a bag to go shopping can help. I started doing thata year ago.Jason:Me, too.Also, Inever take woodenchopsticksor plastic (塑料 ) forks when Ibuy takeaway( 外賣食品 ) food.

21、I use the ones at home.Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful foreveryone.Interviewer: So together, our actions can make a difference and lead to a better future!X. Summary and language points1. This is turning beautiful places into ugly ones.turn

22、into把 變成 e.g. The icy rain seemed like to turn into snow.漸漸地凍雨又變成雪花的模樣。2. Its good for health and it doesnt cost anything!costv.花費；使付出指花費金錢，主語通常是物。cost 的過去式和過去分詞均為cost 。e.g. The new shirt cost Mr Wang 200 yuan.王先生花了200 元買了新襯衫。How much does the new computer cost?新電腦花了多少錢？take, spend, pay & costta

23、ke ， spend ，pay 和 cost 都可以表示“花費” ，但它們的用法各有不同。1) take多表示花費時間，常用于It takes sb. some time to do sth.這一句型中，其中it作形式主語。e.g. It usually takes me 40 minutes to cook the dinner.42) spend多表示花費時間和金錢，主語通常是人，常用于sb. spend(s) some time / money on sth.和 sb. spend(s) some time / money (in) doing sth.兩種句型。e.g. David s

24、pent 2,000yuan on the new machine.My father spends an hour (in) watching the news on TV every day.3) pay多表示花費金錢，主語通常是人，常用于sb. pay(s) some money for sth.句型。e.g. Tommy paid 20yuan for his breakfast yesterday.4) cost多表示花費金錢，主語通常是物，常用于sth. cost(s) (sb.) some money.句型。e.g. The new dress cost Linda 88yuan

25、.根據(jù)句意用take, spend, pay或 cost 的適當(dāng)形式填空。1) That new car _them lots of money.2) Mona _ 50yuan on the books just now.3) It usually _me an hour to do my homework.4) You should _some time practising your pronunciation.5) My brother _6, 000yuan for the new computer yesterday.Keys costspenttakes spendpaid3.

26、So together, our actions can make a difference and lead to a better future!make a difference (to)表示 ( 對 ) 產(chǎn)生影響或作用e.g. Do you think his words would make any difference to the final decision?你認(rèn)為他的話會對最后的決定產(chǎn)生影響嗎？The new teacher always encourages little Tom. This has made a big difference to him.新來的老師總是鼓

27、勵小湯姆，這對他影響很大。XI. Exercises用動詞的適當(dāng)形式填空。1) We re trying _ (save) the earth.2) There used to_ (be) clean and beautiful.3) There are too many _ for _to catch (fish).4) It s bad for environment to use _ (wood) chopsticks. Keys: to save be fish fishermen woodenXII. Think aboutThe earth is badly polluted. P

28、lease make a poster and think of what we can do.XIII. Homework1. Copy the new words and remember them. Try to memorize the new words and language points.2. Listening to the materials of 1b, 2b . Then recite them.3. The earth is badly polluted. Please think of what we can do to save the earth and mak

29、e a poster to tell more people to save the earth.板書設(shè)計Unit 13 We re trying to save the earth !Section A 1a-2dForms of pollutionCausesAir pollutionFactories, cars, burning.Water pollutionFactories, rubbish, ships.5Land pollutionRubbish, batteries.Noise pollutionLoud music , crowds, cars.教學(xué)反思本課主要以學(xué)生的聽和

30、說為任務(wù)，圍繞水污染，空氣污染和土地污染的表現(xiàn)，污染原因，以及治理措施，由淺入深，層層遞進(jìn)。視頻的應(yīng)用，極大地提高了學(xué)生的興趣，增強了他們拯救地球的責(zé)任感，也提供了他們參與課堂的積極性。聽力活動的聽前準(zhǔn)備設(shè)計合理，為學(xué)生順利完成聽力任務(wù)做好了鋪墊。教學(xué)重點和難點是運用現(xiàn)在進(jìn)行時，現(xiàn)在完成時，被動語態(tài)結(jié)構(gòu)，情態(tài)動 could 等和 used to do something 結(jié)構(gòu)，進(jìn)行表達(dá)。學(xué)生通過聽、讀、角色扮演、練習(xí)和總結(jié)，在活動中掌握了教學(xué)重點，突破了難點。Unit 13 We re trying to save the earth!Period 1 1a-2d學(xué)案學(xué)案設(shè)計【課型】聽說課學(xué)習(xí)

31、目標(biāo)1. 能聽懂什么是水污染、土地污染和空氣污染, 引起這三種污染的因素 , 以及解決污染的措施。2. 能模仿聽力原文 , 能運用聽力材料中的知識 , 口頭談?wù)撛胍粑廴?、空氣污染、水污染、土地污染的產(chǎn)生因素及如何減少這些污染。3. 能掌握本課重點詞匯:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic。4. 能口頭運用現(xiàn)在進(jìn)行時表達(dá)環(huán)境污染的現(xiàn)狀, 運用情態(tài)動詞表達(dá)應(yīng)該采取的措施。學(xué)習(xí)過程【自主學(xué)習(xí)】1. 請在課前會拼讀并熟記下面的單詞。litter,bottom,fisherman,coal,ugly,advanta

32、ge,cost,wooden,plastic2. 請在課前觀察第 97 頁的圖片 , 并思考和搜集有關(guān)噪音污染 , 空氣污染和水污染的產(chǎn)生因素。noise pollution:air pollution:water pollution:【新課導(dǎo)入】1.Have a free talk about pollution.2.What can cause each kind of pollution?【新知呈現(xiàn)】Ask students to look at the pictures in 1a and ask them two questions:What can you see in each picture?What kind of pollution does it cause?【新知學(xué)習(xí)】Teachercanaskstudentsthefollowingquestion:Whatelsecancauseeachkindofpollution?Then ask students to fill in the chart below.6PollutionCausesAirpollutionWaterpollutionNoisepollutionLandpollution【拓展提升】Write a passage