人教版英语Unit13We27retryingtosavetheearth全单元课件

1、Unit 13 We are trying to save the earth,air pollution,water pollution,noise pollution,land pollution,1a,Here are some words related to different kinds of pollution. Write them in the box below. Then add more words,noise pollution _ _ _ _ cars,air pollution _ _ _ _,water pollution _ _ _ _,loud music,

2、planes,mobile phones,factories,cars,smoking,ships,factories,littering,rubbish,building houses,building houses,Help save the earth,We must think of better way to treat our planet in future,No littering,Start with little things,You use a lot of new plastic bags. Thats bad for the Earth,You use your ow

3、n bag. Thats good for the Earth,You go shopping. What do you do,You use paper on one side only. Thats bad for the Earth,You use paper on both sides. Thats good for the Earth,When you write on a piece of paper, what do you do,close down the factories; help to clean up the river; take the bus or subwa

4、y; ride a bike; bring a bag to go shopping,throw rubbish in the cans; turn off the lights when you leave a room; use paper or resusable bags; recycle books and paper; turn off the shower when you wash your hair; dont use napkins,solutions,1b,Listen and complete the sentences,really dirty,rubbish,fis

5、h,litter,waste,government,close down,clean up,Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a,1c,Finish the conversation and role-play it,1c,Finish another conversation and role-play it,1c,Points on P97 try to do =try ones best to do 努力去做某事 mobile phon

6、es 手机 rubbish, litter ,waste 垃圾,废物 the bottom of the river 河底 be full of 充满 fisherman-fishermen 渔民 government 政府 throw litter into the river 把垃圾扔到河里 ask sb. to do 要求某人干某事 close down the factories 关闭工厂 clean up 打扫 used to be过去常常 play a part in参与，在中扮演角色,Review 努力去做某事 手机 垃圾,废物 河底 充满 渔民 政府 把垃圾扔到河里 要求某人干

7、某事 关闭工厂 打扫 过去常常 在中起作用，在中扮演角色,try to do,mobile phones,litter ; rubbish;waste,the bottom of the river,be full of,fisherman,government,throw rubbish into the river,ask sb. to do sth,close down the factories,clean up,used to be,play a part in,2a,Listen to the interview. Circle the kinds of pollution tha

8、t Jason and Susan talk about,A. land pollution B. air pollution C. noise pollution D. water pollution,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 _thi

9、ngs every day. 4. People are also littering in_ like parks. This turns beautiful parks into ugly places,more cars,pollute,are throwing away,public places,2b,Listen again and complete the sentences,Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down

10、air pollution, we should take the bus or subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding . Its good for health and it doesnt cost anything,2d,Role-play the conversation,Interviewer: Great ideas! What about waste pollution? Susan: Mmm, I think simple

11、things like bringing a bag to go shopping can help. I started doing that a year ago. Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home,Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for

12、everyone. Interviewer: So together, our actions can make a difference and lead to a better future,Complete the chart,take the bus, subway or ride a bike instead of driving,bring a bag to go shopping,use chopsticks or forks at home,throw rubbish in the bins,1. Its good for health and it doesnt cost a

13、nything! cost v. 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,Language points,take, spend, pay 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。 结构: has/have + 过去分词 标志词：already, yet, ever, never, since, for e.g. I have

14、nt finished my homework yet,3.被动语态：Passive voice,定义：表示主语是动作的承受者，即行为动作的对象的一种语态。 结构：be + 过去分词 e.g. Our classroom is cleaned every day,4.现在完成时: Present Perfect,定义：表示动作已经完成, 但对现在造成影响; 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。 结构: has/have + 过去分词 标志词：already, yet, ever, never, since, for e.g. I havent finished my

15、 homework yet,情态动词本身有一定的词义, 表示说话人的情绪、态度或语气, 但不能单独作谓语, 只能与其他动词构成谓语。常见的有: can (could), may (might), must, need, shall (should), will (would)等。 2. 情态动词无人称和数的变化, 后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式, 可用来表达更加客气、委婉的语气。 e.g. Ken can climb up the tress like a koala. You mustnt play with fire. It is dangerous

16、,情态动词,4a,Fill in the blanks with the correct forms of the verbs in brackets,Joe: _ you ever _ (take) part in an environmental project ? Eric: Yes, I have. I _ (help) with a Clean-Up Day last year. It was _ (consider) the biggest clean-up project this city _ ever _ (have,Have,taken,helped,considered,

17、had,had,参加,Joe: How many people _ (take) part? Eric: I _ (think) more than 1,000 people _ (come) to help out. Joe: Thats fantastic! I guess everyone in this city is _ (try) to improve the environment. Eric: Yes, we cant afford to _ (wait) any longer to take action,took,think,came,trying,wait,v. 承担得起

18、(后果); 买得起 afford to do sth. We cant afford to buy another house,4b,Fill in the blanks with the appropriate modal verbs from the box,People _ think that big things _ be done to save the earth. Many forget that saving the earth begins with small things. For example, you _ save,may/might,must,can,can w

19、ould could have to should must may/ might,electricity by turning off the lights when you leave a room. You _ also use reusable bags instead of plastic bags. I think its a great idea that you now _ pay for plastic bags in some stores. And instead of driving to school or work, you _ ride your bike or

20、walk. If its far, you _ take the bus. All these,could,have to,can/should,can/could,关掉,adj.可重复使用的,付费;付出代价,small things _ add up and become big things that _ improve the environment. Lets take action now,could,would/can,采取行动,Unit13 Were trying to save the earth,SectionB-1,What are they? What are they

21、like,manatee,cheetah,polar bear,How do you feel,What should we do?! How to save our planet,Which is the most difficult,stop ridding in cars,Free talk,recycle books and papers,turn off the lights when you leave a room,turn off the showers while you are washing your hair,dont use paper towels or napki

22、ns,What can we do to help save the earth? Rank these items from the easiest to the most difficult,_* stop riding in cars. _ * recycle books and paper. _* turn off the lights when you leave the room. _* turn off the shower while you are washing your hair. _* dont use paper napkins,1a,1c/d,Pair work,1

23、e,A: We really shouldnt use paper napkins, you know . B: I know. I stopped using them last year,Section B 2a-3a,How do you usually deal with bottles and cans,Read the passage and complete the chart below,2 b,重新思考, 重新使用, 重新利用,Rethink, Reuse, Recycle,How many people are mentioned in the passage? Who a

24、re they,Three. They are Amy Hayes, Jessica Wong and Wang Tao,Fast Reading,Reading,Do you often throw away things you dont need anymore？Have you ever thought about how these things can actually be put to good use？Nothing is a waste if you have a creative mind,你经常扔掉你不再需要的东西吗？你是否曾经想过这些东西能很好地重新利用？如果你有一个

25、充满创新的头脑，没有东西是废品,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,throw away扔掉 think about思考 be put to good use 被好好利用,Reading,You have probably never heard of Amy Hayes，but she is a most unusual woman. She lives in a house in the UK that she built herself out of rubbish,你可能从来没有听说过艾米.海斯，但她是一个非常不寻常的女性。她住在英国，房子是她

26、自己用废弃物建造而成,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,hear of 听说 most=veryquite很 build out of 用建造,Reading,The windows and doors come from old buildings around her town that were pulled down. The top of the house is an old boat turned upside down,窗户和房门来自于一个小镇周围拆毁的房子。房子的顶部是一条翻转过来的旧木船,Rethink, Reuse, Recyc

27、le 重新思考,重新使用,重新利用,come from来自 pull down拆下 upside down 倒转,先行词,引导词,定语从句,过去分词作定语,Reading,And the gate in front of her house is made of rocks and old glass bottles. Amy recently won a prize from the Help Save Our Planet Society. The president said.”Amy is an inspiration to us all.,房子前的大门是用岩石和旧玻璃瓶搭建的。艾米最

28、近获得了“救助我们的星球”协会颁发的奖项。协会主席说: “艾米给我们所有人一个启示,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,is made of 由制成的 win a prize 获奖,Reading,Amy isnt the only one who is good at recycling. Jessica Wong from Hong Kong uses old clothes that people dont wear anymore to make bags,艾米不是唯一一个擅于废物利用的人。来自香港的杰西卡.王常利用人们不再穿的旧衣服来制作背包

29、,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,be good at 擅长. use.to do. 用.做,定语从句,先行词,定语从句,Reading,She has been doing this for a few years now. She opened a small shop where she sells her bags，and she has also set up a website to sell them online.She especially likes to use old jeans to make handbags,她已经这么

30、做了好多年。她开了一间小店来出售她制作的包，还在网上出售它们。他特别喜欢用旧牛仔裤来制作手提包,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,open=set up=start 创办,开办 use.to do. 用.做,Reading,Her bags are cute and useful.“I plan to write a book about new ways to use old clothes,” she said. “I hope people can read my book enjoy it,她制作的包既可爱又实用。“我计划写一本关于用新的方法

31、来改造旧衣服的书，”她说“我希望人们能阅读我的书并且喜欢它。,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,plan to do 计划做,Reading,Wang Tao set up a small business in Shanghai four years ago. He is known for using iron and other materials from old cars to make beautiful art pieces,四年前，王涛开始在上海经营小生意。他因为用旧车的钢铁和其他材料制作艺术品而闻名,重新思考,重新使用,重新利用,R

32、ethink, Reuse, Recycle,open=set up=start 创办,开办 is known for 以.而出名 use.to do. 用.做,Reading,Some are large pieces that look like animals or humans, and some are smaller pieces you can put at home.The more popular works can even be seen in art shops around the city,有一些（艺术品）很庞大，看起来像动物或者人，有一些小块的可以摆放在家里。你甚

33、至能在这个城市的艺术商店里看到一些更受欢迎的作品,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,Reading,Wang Tao hopes to set up a “metal art” theme park to show people the importance of environmental protection,王涛希望能建立一个“金属艺术”主题公园，向人们展示环境保护的重要性,重新思考,重新使用,重新利用,Rethink, Reuse, Recycle,open=set up=start 创办,开办 hope to do希望做. theme park 主题公园,环境保护的重要性,Reading,Not only can the art bring happiness to others, but it also shows that even cold hard iron can be brought back to life wit