Wex27retryingtosavetheearth!优秀教学设计

1、Unit 13 Were trying to save the earth!Section A 1a-2d教学重难点学情分析 :九年级学生对环境污染已经比较了解，概括能力和推理能力也有很大的提高，环境意识和社会责任感更加强烈。因此，学生对本课时的内容兴趣浓厚，参与积极。另一方面，由于学生的社会经验相对缺乏，对于怎样全方位解决环节污染问题，他们需要通过讨论活动，把语言学习和实际交流结合起来，从而形成相对完整和相对全面的认识。一、教学目标：1.语言知识目标重点词汇： litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic。重点

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. 技能目标 : 学生能模仿听力原文，能运用听力材料中的知识，口头谈论噪音污染，空气污染，水污染，土地污染产生的因素以及如何减少这些污染。能正确运用现在进行时，现在完成时，被动语态，情态动词和 used to句型

3、。3.情感目标 : 学生能口头运用现在进行时表达环境污染的现状，运用情态动词表达应该采取的措施。有二、教学重难点：1.教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。（2）保护环境的措施方法。2教学难点：现在进行时，情态动词和used to 句型。【课前准备】收集有关环境污染的资料、准备录音机、多媒体课件，学案【教学方法】任务型教学法、情景交际法、自主学习和合作学习相结合。三、整体设计教学过程设计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 (渔民 ) 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!我们正在竭尽全力拯救地球!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.为了进入大学学习，每个学生都应该努力学习。2. Here are some words related to different kinds

12、 of pollution.be related to与 有关e.g.I am notrelatedtohim in any way.我和他无任何关系。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.健康的饮食在帮助人们长寿方面起着非常大的作用。play a part在 中扮演角色e.g. He was invited to play a part

13、 in this TV play.他被邀请参加这个电视剧的演出。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” ，用作不可数名词。rubbish指“没用的东西( 被扔或将要丢弃的无用的东西) ”不可回收。litter指“ ( 室内或公共场所 ) 乱扔的废物 ( 纸屑、不要的包装纸、废瓶等) ”还可回收e.g. Throw the rubbish out.把垃圾扔出去。The room is

14、full of rubbish.房间里堆满了垃圾。Pick up your litter after a picnic.野餐后将废弃物收拾好。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 ( 木头的 ) 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 (优点 ) of bike riding. It s good forheal

20、th and it doesn t cost (花费 ) 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( 外卖食品 ) 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 变成 e.g. The icy rain seemed like to turn into snow.渐渐地冻雨又变成雪花的模样。2. Its good for health and it doesnt cost anything!costv.花费；使付出指花费金钱，主语通常是物。cost 的过去式和过去分词均为cost 。e.g. The new shirt cost Mr Wang 200 yuan.王先生花了200 元买了新衬衫。How much does the new computer cost?新电脑花了多少钱？take, spend, pay & costta

23、ke ， spend ，pay 和 cost 都可以表示“花费” ，但它们的用法各有不同。1) take多表示花费时间，常用于It takes sb. some time to do sth.这一句型中，其中it作形式主语。e.g. It usually takes me 40 minutes to cook the dinner.42) spend多表示花费时间和金钱，主语通常是人，常用于sb. spend(s) some time / money on sth.和 sb. spend(s) some time / money (in) doing sth.两种句型。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多表示花费金钱，主语通常是人，常用于sb. pay(s) some money for sth.句型。e.g. Tommy paid 20yuan for his breakfast yesterday.4) cost多表示花费金钱，主语通常是物，常用于sth. cost(s) (sb.) some money.句型。e.g. The new dress cost Linda 88yuan

25、.根据句意用take, spend, pay或 cost 的适当形式填空。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 ( 对 ) 产生影响或作用e.g. Do you think his words would make any difference to the final decision?你认为他的话会对最后的决定产生影响吗？The new teacher always encourages little Tom. This has made a big difference to him.新来的老师总是鼓

27、励小汤姆，这对他影响很大。XI. Exercises用动词的适当形式填空。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.板书设计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.教学反思本课主要以学生的听和

30、说为任务，围绕水污染，空气污染和土地污染的表现，污染原因，以及治理措施，由浅入深，层层递进。视频的应用，极大地提高了学生的兴趣，增强了他们拯救地球的责任感，也提供了他们参与课堂的积极性。听力活动的听前准备设计合理，为学生顺利完成听力任务做好了铺垫。教学重点和难点是运用现在进行时，现在完成时，被动语态结构，情态动 could 等和 used to do something 结构，进行表达。学生通过听、读、角色扮演、练习和总结，在活动中掌握了教学重点，突破了难点。Unit 13 We re trying to save the earth!Period 1 1a-2d学案学案设计【课型】听说课学习

31、目标1. 能听懂什么是水污染、土地污染和空气污染, 引起这三种污染的因素 , 以及解决污染的措施。2. 能模仿听力原文 , 能运用听力材料中的知识 , 口头谈论噪音污染、空气污染、水污染、土地污染的产生因素及如何减少这些污染。3. 能掌握本课重点词汇:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic。4. 能口头运用现在进行时表达环境污染的现状, 运用情态动词表达应该采取的措施。学习过程【自主学习】1. 请在课前会拼读并熟记下面的单词。litter,bottom,fisherman,coal,ugly,advanta

32、ge,cost,wooden,plastic2. 请在课前观察第 97 页的图片 , 并思考和搜集有关噪音污染 , 空气污染和水污染的产生因素。noise pollution:air pollution:water pollution:【新课导入】1.Have a free talk about pollution.2.What can cause each kind of pollution?【新知呈现】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?【新知学习】Teachercanaskstudentsthefollowingquestion:Whatelsecancauseeachkindofpollution?Then ask students to fill in the chart below.6PollutionCausesAirpollutionWaterpollutionNoisepollutionLandpollution【拓展提升】Write a passage