23春鲁教初中英语九年级英语下册Unit 8 We’re trying to save the earth》教案1.docx

《23春鲁教初中英语九年级英语下册Unit 8 We’re trying to save the earth》教案1.docx》由会员分享，可在线阅读，更多相关《23春鲁教初中英语九年级英语下册Unit 8 We’re trying to save the earth》教案1.docx（6页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 8 We* re trying to save the earth一、教学目标：1 .语言知识目标基本词汇：litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle, napkin, upside, gate, bottle,

2、 president, inspiration, iron, work, metal, creativity,基本词组： be harmful to, at the top (of sth.), take part in, turn off, take action, throw away, put sth. to good use, pulldown, bring back基本句型：呢 re trying to save the earth!The river used to be so clean.The air is badly polluted.No scientific studie

3、s have showed that shark fins are good for health.We should help save the sharks.2 .技能目标：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 .情感目标：有环境危机意识，学会关注环境保护环境。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：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。 三、教学步骤：Section A 1 (la-2d)I. Pr

4、esentationShow the picture of the earth and tell students the earth is polluted 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.IL Lear

5、ningHere are some words related to different kinds of pollution. Write them in the box below. Then xidd more words.loud musiccarsrubbishplanes litteringshipsfactoriessmoking building housesmobile phonesnoise pollution air pollution waiter pollutionIII. Listeninglb Listen and complete the sentences.W

6、hat was the problem?The river was. Even the bottom (底部)of the river was full of. There were no more for fishermen (渔民)to catch.What caused the prob 1em?People are throwing into the river.Factories are putting into the river.How should the problem be solved?We should write to the and ask them to the

7、factories. Everyone should help to the river.Listen again and check (V) the sentences you hear.1) We could go fishing in the river.2) The river was really dirty.3) The river has always been the nicest river in this town.4) We should ask the teachers for help.IV. PracticeRole-play the conversation in

8、 1c.1. Make conversations using the pollution in la.V. Language pointsWe, re trying to save the earth! 我们正在竭尽全力拯救地球！try to do =try one/ s best to do 努力去做某事。e. 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。1. Here are some words related to different

9、kinds of pollution.be related to 与有关e. g. I am rnot related to him in any way. 我和他无任何关系。2. Everyone in this town should play a part in cleaning it up!play a part in 在方面起作用c. 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 t

10、o play a part in this TV play.他被邀请参加这个电视剧的演出。3. 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

11、is 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. Listening2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.1. 2b Listen again and complete the sentences.1） The air is badly polluted because there are on the road these days.2） Fa

12、ctories that burn coal also the air with a lot of black smoke.3） There is also too much rubbish and waste. People things everyday.4） People are also littering in like parks. This is turning beautifulplaces into ugly （丑陋）ones.2. Listen and answer the questions.1） Who is the interviewer talking to?2）

13、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 （2c）Use the information in 2a and 2b to role-play conversations between Jason and Susan.Jason: The air has become really polluted

14、around here. I m getting very worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is thatDiscussionAsk students what we should do to save the earth. Help students answer, turn off theights when you leave a room; sto.p riding in cars; stop using paper towels or napkins; r

15、ecycle books and paper.VIII. ReadingRead 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden （木头的）chopsticks or plastic forksrubbish1. Role-play the conversation.Interviewer: Jason and Susan, what are your ideas for solving these problems?Jason: Well, to cut down air

16、 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 for health and it doesn t cost （花费）anything!Interviewer: Great ideas! What about waste pollution?Susan: Mmm, I think simple things 1 ike bringing a ba

17、g to go shopping can help. I started doing that a year ago.Jason: Me, too. Also, I never take wooden chopsticks or plastic (塑料)forks when I buy takeaway (外卖食品)food. I use the ones at home.Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.Intervi

18、ewer: So together, our actions can make a di frerence and 1ead to a better future!IX. Summary and language pointsThis is turning beautiful places into ugly ones.turn, into 把变成c. g. The icy rain seemed like to turn into snow.渐渐地冻雨又变成雪花的模样。1. It s good for health and it doesn t cost anything!cost v.花费

19、；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。o. 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 ne.w computer cost? 新电脑花了多少钱？take, spend, pay & costtake, 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

20、me 40 m-inutes to cook the dinner.2) 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 spent 2, 000 yuan 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

21、 (s) some money for sth.句型。e. g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花费金钱，主语通常是物，常用于slh. cost(s) (sb.) some money.句 型。e. g. The new dress cost Linda 88 yuan.根据句意用take, spend, pay或cost的适当形式填空。1) That now car them lots of money.2) Mona 50 yuan on the books just now.3) It usually m

22、e an hour to do my homework.4) You should some time practising your pronunciation.5) My brother 6, 000 yuan for the new computer yesterday.Keys cost spent takes spend paidSo together, our actions can make a difference and lead to a better futuie! make a difference (to-) 表示(对)产生影响或作用e. g. Do you thin

23、k 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.N) 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 woodenThink aboutThe earth is badly polluted. Please make a poster and think of what we can do.XII. HomeworkCopy the new words and remember them.1. Read the listening materials of lb, 2a.