Module 12 Save our world Unit 3.ppt

1、英語教學(xué)課件,外研 九年級(jí) 上冊,Unit 3 Language in use,Module 12 Save our world,To summarize and consolidate the rules of word building,Objective:,語法講解建議采用歸納法，如盡可能多的呈現(xiàn)一些相關(guān)例句，或可讓學(xué)生從已學(xué)課文中找相應(yīng)例句，引導(dǎo)學(xué)生試著從所觀察到的語言現(xiàn)象中總結(jié)出語法規(guī)律。,Observe,Observe the following sentences carefully. They are all from this module.,1. Reuse means “

2、use again”. 2. Though pollution is heavy now, I dont think its hopeless. 3. If the rivers are polluted, farmers cant use the water for their crops. 4. If everyone starts to do something, the world will be saved.,5. We all need a healthy environment, but we produce waste every day, and it is harmful

3、to our environment. 6. Do not waste things. 7. Repeat these three words daily: reduce, reuse and recycle. 8. Before you buy something new, think whether it is really necessary because maybe old one is just as good! 9. but lets take these simple steps today so that we will save the world for our gran

4、dsons and granddaughters tomorrow.,1. _ (use) means “use again”. 2. Though _ (pollute) is heavy now, I dont think its _ (hope). 3. If the rivers are polluted, _ (farm) cant use the water for their crops. 4. If _ (everyone) starts to do _ (something), the world will be saved. 5. We all need a _ (heal

5、th) environment, but we produce _ (waste) every day, and it is _ (harm) to our environment.,Reuse,pollution,hopeless,farmers,everyone,something,healthy,waste,harmful,go,Ready?,6. Do not _ (waste) things. 7. Repeat these three words daily: reduce, _ (use) and _ (recycle). 8. Before you buy _ (somethi

6、ng) new, think whether it is _ (real) necessary because maybe old one is just as good! 9. but lets take these simple steps today so that we will save the world for our _ (grandson) and _ (granddaughter) tomorrow.,waste,reuse,recycle,something,really,grandsons,granddaughters,構(gòu)詞法,1. 合成法,將兩個(gè)或兩個(gè)以上獨(dú)立且語義不

7、同的單詞合在一起構(gòu)成新詞的方法稱作合成法。,2. 派生法,通過在詞根前面加前綴或在詞根后面加后綴構(gòu)成一個(gè)新詞的方法稱作派生法。,2. 派生法,2. 派生法,詞根,詞綴,名詞,形容詞,副詞,+,interest,uninterested,interestingly,uninteresting,interested,interesting,help,helpfully,helplessly,helpful,helpless,able,disable,unable,enable,ability,3. 轉(zhuǎn)換法,英語構(gòu)詞法中把一種詞性轉(zhuǎn)化為另一種詞性而詞形不變的方法稱為轉(zhuǎn)化法。,(1) v. n. Le

8、ts talk about it more. I think wed better finish the talk now. 咱們再談?wù)勥@件事吧。 我想我們最好現(xiàn)在結(jié)束談話。,(2) n. v. She gave me a cup of water. You should water the flowers twice a day. 她給了我一杯水。 你應(yīng)該每天給這些花澆兩次水。,(3) adj. n. She was wearing a black dress. The girl in black looks very beautiful. 她穿著一條黑色的裙子。 那個(gè)穿黑衣服的女孩看上去很

9、漂亮。,以下部分為課本練習(xí)，供老師在對(duì)答案時(shí)選擇使用。,Learning to,Sometimes if you know the meaning of the parts of a word, you can work out the meaning of the whole word.,re + new + able renewable,again,can be,can be new again,1,P100,Make new words. Join the parts of the words in Box A with the words in Box B. you need to u

10、se some of the parts more than once.,-able -ful im- -less re- un-,care collect hope possible use usual wanted waste,A,B,careful careless,collectable,hopeful hopeless,impossible,reuse usable useful useless,unwanted,wasteful,unusual,Now work in groups. Play the guessing game English for Fun.,English f

11、or Fun,1. full of care _ 2. can be collected _ 3. full of hope _ 4. without any hope _ 5. not possible _,6. not usual _ 7. without any use _ 8. use again _ 9. not wanted _ 10. making a lot of waste _,careful,collectable,hopeful,hopeless,impossible,unusual,useless,reuse,unwanted,wasteful,2,P100,Compl

12、ete the sentences with the words in the box.,hopeful impossible reuse unhealthy wasteful,1. Polluted water is _. 2. It is _ to throw so much food away. 3. If you look after things well, you may _ some of them later. 4. It is _ to clean up the whole river in such a short time. 5. If we pay attention

13、to pollution now, the future will be _.,unhealthy,wasteful,reuse,impossible,hopeful,3,P101,Complete the table.,use,use,usefully/ uselessly,hope,hopeful/ hopeless,pollute,polluted/ unpolluted,water,waste,wasteful/ wasted,wastefully,usual/ unusual,4,P101,Complete the sentences with the correct form of

14、 the words in Activity 3.,She was _ that her new job would make her more successful.,hopeful,1. The factory _ the river, and the fish died. 2. We often walk in the countryside. It is a(n) _ activity for us. 3. Do not use so much water. It is very _. 4. To keep the flowers growing, you need to _ them

15、 once a day.,polluted,usual,wasteful,water,5,P101,Complete the sentences.,A _ is a box that you keep your lunch in.,lunchbox,1. A _ is a card that you write on one side of and send to someone by post. 2. A _ is a room where you have classes at school. 3. A _ is a book that has one or more stories fo

16、r children. 4. A _ is a black board that is used at school for writing on with chalk.,postcard,classroom,storybook,blackboard,6,P101,Work in pairs. Look at the pictures and answer the questions.,1. What kind of things can be recycled? 2. How can these things be used? 3. How does this help the enviro

17、nment?,4. Have you ever recycled or used things that can be recycled? How?,possible answers:,Cloth, paper, cans, plastic, glass, etc.,Recycled paper can be used for notebooks, tickets or writing paper.,It helps save a lot of resources and reduce greenhouse gas emissions.,Yes. I recycled aluminum can

18、s and paper by selling them to the recycled factory.,Mike: I hear you are off to the Caribbean for a holiday! Lucky you! But arent you (1) _ the pollution that such long plane journeys may cause for the environment? Ken: I know, but what can I do about it? I already try my best to protect the enviro

19、nment. I recycle. I dont (2) _ things if I dont want them any more. I (3)_ the lights when I leave a room. Dont tell me I shouldnt travel by plane any more!,be good for throw away turn off worry about,worried about,throw away,turn off,7,P102,Complete the conversation with the correct form of the exp

20、ressions in the box.,Mike: No, of course not. But we can do more to protect the environment. For example, we can help keep the air clean by planting trees. Trees (4) _ the environment. In this way, we can reduce the harm of pollution. Ken: Good! So I can enjoy my holiday, and when I come back, Ill p

21、lant some trees! Mike: Thats the idea! Maybe we can all join in and start a small forest!,be good for throw away turn off worry about,are good for,1. It is OK to throw used things away. Looking after them takes a lot of time. 2. Do not throw away things made of glass, plastic and paper, but recycle

22、them when possible. 3. Take a bag when you go shopping. 4. Producing electricity and using oil will not cause pollution. 5. Turn off lights when you do not need them. 6. Ride a bike or walk, and do not often drive your car.,8,P102,Listen and check () the true sentences.,glass, plastic and paper,recy

23、cle,Reuse,take a bag,are hard to,reduce pollution,waste electricity,Walk or cycle,pollution,9,P102,Listen again and complete the table.,Review,英語中常見的構(gòu)詞法： 1.合成法 2. 派生法 （加前綴、后綴） 3. 轉(zhuǎn)化法（詞性變詞形不變）,1. Both of the books were _ to her and she couldnt decide which one to buy. 2. How _ of John to break the cu

24、p! 3. The meat has a strange smell. Im afraid its hardly _.,I. 從方框中選擇適當(dāng)?shù)膯卧~并用其正確形式填空。,Quiz,注: word 文檔 點(diǎn)擊此處鏈接,helpful,careless,eatable,correct energy eat possible appear help success care,correct energy eat possible appear help success care,4. Tom is an _ boy and it seems that he never gets tired. 5. Im afraid that its _ for us to get there before eight. 6. The sun _ behind the clouds and it began to rain. 7. Im sorry to say your answer is _. P