外研版英語九年級上冊Module12 Unit3參考課件

1、12Unit 3 Language in use.Reuse means “use again”.Though pollution is heavy now, I dont think its hopeless. Make new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once.A -able -ful im- -less re- un- B care- collect- hope- -possible -use -

2、usual -wanted waste-careful carelesscollectable hopeful hopelessimpossible unused reusedunusualunwantedwastefulEnglish for Fun1. full of care_2. can be collected _3. full of hope _4. without any hope _carefulNow work in groups. Play the guessing game English for Fun.collectablehopefulhopeless5. not

3、possible_6. not usual _7. without any use _8. use again _9. not wanted _10. making a lot of waste _impossibleunusualunusedreusedwastefulunwantedLearning to learnSometimes if you know the meaning of the parts of a word, you can work out the meaning of the whole word.re + new + able: re = again,able =

4、 can berenewable = can be new again2. Complete the sentences with the words in the box.hopeful, impossible, reuse, unhealthy, wasteful1. 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.unhealthywasteful reused4. It is _ to clea

5、n up the whole river in such a short time.5. If we pay attention to pollution now, the future will be _.impossiblehopeful3. Complete the table.Noun VerbAdjectiveAdverbuseful/uselesshopehopefully/hopelesslypollution water waste usually/unusuallyhopehopeful/hopelesspollutepollutedwaterwastewastefulwas

6、tefullyusual4. Complete the sentences with the correct form of the words in Activity 3.She was_ that her new job would make her more successful.hopefully 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

7、 _.4. To keep the flowers growing, you need to _them once a day.pollutedusualwastefulwater5. Complete the sentences.A _is a box that you keep your lunch in.lunchbox 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 a school.3. A _ is a

8、 book that has one or more stories for children.4. A _ is a black board that is used at school for writing on with chalk.classroompostcardstorybookblackboard6. Work in pairs. Look at the picture and answer the questions. What kinds of things can be recycled?2. How can these things be reused?paper, p

9、lasticMany paper and plastic things can be used more than one time. Or we can change these things into decorations made by us. 3. How does this help the environment?We dont need to cut down more trees to make paper if we reuse papers.4. Have you ever recycled or used things that can be recycled? How

10、?I ever recycled to use paper cup, I just use them to make some small decorations such as pen container. 7. Complete the conversation with the correct form of the expressions in the box.be good for, throw away, turn off, worry aboutMike: I hear you are off to the Caribbean for a holiday! Lucky you!

11、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? Ive already tried my best to protect the environment. worry about I recycle. I dont (2) _things if I dont want them any more. I (3) _the lights when I leave a room.

12、Dont tell me I shouldnt travel by plane any more!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, a

13、nd when I come back, Ill plant some trees!Mike: Thats the idea! Maybe we can all join in and start a small forest!throw awayturn offare good for8. Listen and check ()the true sentences. It is OK to throw used things away. Looking after them takes a lot of time.2. Do not throw away things made of gla

14、ss, plastic and paper, but recycle them when possible.3. Take a bag when you go shopping.4. Producing electricity and using oil will not cause pollution.5. Turn off the light when you do not need them.6. Ride a bike or walk, and do not often drive your car.9. Listen again and complete the table.Advi

15、ceReasons Dont throw away things made of _,_, but_them.Throwing things away is wasteful.2 _your old bags when you can and _ with you when you go shopping.Plastic bags _ recycle.glass, plastic and paperrecycle take a bagare hard to Reuse3. Use less electricity and oil to _.4. Dont leave lights on and

16、 _.5. _ and do not often drive your car.Producing electricity and using oil maycause _.pollution to earth,water and else in many different waysreduce pollutionwaste electricityWalk or cyclingAround the worldEarth Hour Earth Hour is held toward the end of March each year. During Earth Hour, people al

17、l across the world switch off the lights they do not need. They do this to show their awareness of climate change. The first Earth Hour was held in 1977 in Sydney, where more than 2.2 million people switched off their lights.Today, more and more cities are taking part in the event, such as Beijing,

18、London, Rome and New York, and landmarks like the Empire State Building and the Golden Gate Bridge will go dark.Discussing what you can do about pollution10. Work in groups. Decide what kind of pollution you want to talk about. Choose a subject that you care about the most. It could be water polluti

19、on, air pollution, etc. Find out more information about your subject. Look it up on a website or in a book.11. Discuss your subject. Take turns to say what you think about the problem and what can be done. Listen to what others say. If you agree with what they have said, say “I agree”, “Thatstrue” o

20、r “Thats a good point”; if you do not agree with what someone says, say “Imsorry, but I dont agree. I think that”12. Present your groups ideas to the whole class. Yes, I agree with you that air pollution is one of the most serious problems. A great deal of energy is needed to run the factories of mo

21、dern industrial nations. Automobile, trains, planes and busses need energy, too. Nearly all of this energy is produced by burning fuels. The burning produces wastes, some of which remain in the air, causing air pollution.Possible answer Scientists are finding ways to stop air pollution especially in

22、 big industrial areas and densely-populated cities. They are studying new ways of generating electricity that may be less damaging to the environment. At the same time, many power plants are being modernized to give off less polluted material. Also, engineers try to design and locate new power plant

23、s to do minimum damage to the environment. However, it may be that we still have a long way to go before we have a clean world. Nearly all of the countries are trying hard to prevent and control air pollution. There indeedseems to be no end to tasks that environmentalists will be required to do. Peo

24、ple will continually find new ways to control pollution. 1.合成詞構(gòu)詞法合成詞構(gòu)詞法英語中構(gòu)成新詞最基本的方法有三種：合成英語中構(gòu)成新詞最基本的方法有三種：合成法，縮略法和詞綴法。合成詞構(gòu)詞法就是將法，縮略法和詞綴法。合成詞構(gòu)詞法就是將兩個(gè)獨(dú)立的單詞和在一起構(gòu)成一個(gè)新的單詞。兩個(gè)獨(dú)立的單詞和在一起構(gòu)成一個(gè)新的單詞。常見的方法有：常見的方法有：(1). 合成名詞合成名詞homework(家庭作業(yè)家庭作業(yè)) home+work -space + ship-spaceship(宇宙飛船宇宙飛船)after + noon-afternoon(下

25、午下午)(2). 合成動(dòng)詞合成動(dòng)詞ill + treat-ill-treat(虐待虐待)sight + see-sight-see(觀光觀光)(3). 合成形容詞合成形容詞hard + working-hard-working(勤奮的勤奮的)well + known-well-known(著名的著名的)world + famous-world-famous(世界聞名的世界聞名的)(4). 合成副詞合成副詞down + stair-downstairs(在樓下在樓下)up + stairs-upstairs(在樓上在樓上)(5). 合成代詞合成代詞some +body-somebody(某人某人

26、)any +one-anyone(任何人任何人)(6). 合成介詞合成介詞with +in-within(在在之內(nèi)之內(nèi))in +to-into(到到)在一個(gè)單詞前或后加上一個(gè)詞綴，就可以構(gòu)在一個(gè)單詞前或后加上一個(gè)詞綴，就可以構(gòu)成一個(gè)新詞。成一個(gè)新詞。 根據(jù)詞綴的根據(jù)詞綴的位置位置，分為，分為前綴前綴和和后綴后綴兩種。掌握一些常見的詞綴，對單詞兩種。掌握一些常見的詞綴，對單詞的記憶和理解有很大的幫助。比如：我們學(xué)的記憶和理解有很大的幫助。比如：我們學(xué)會(huì)會(huì)care, 就能掌握就能掌握careful, careless, carefully, carelessly。下面我們來學(xué)習(xí)幾個(gè)常見的前、下面我

27、們來學(xué)習(xí)幾個(gè)常見的前、后綴：后綴：2. 前綴，后綴構(gòu)詞法前綴，后綴構(gòu)詞法詞詞根根re-in(m)-un-dis-意意義義再再/又又不不/無無不不/無無不不/無無例例子子rewrite incorrectuneasydislikereuseimpossibleimpoliteuntruedisagree前綴：前綴：詞詞根根inter-super-anti-意意義義互相互相 超超反對；反對；防止防止例例子子internationalsupermananti-warinternetsupermarketsuperstaranti-pollution1. 常見名詞后綴常見名詞后綴后綴：后綴：(1).

28、an: American (美國人美國人), Indian(印度人印度人)， Canadian(加拿大加拿大)， Italian(意大利人意大利人)(2). er: worker (工人工人), driver(司機(jī)司機(jī))， teacher(教師教師)，player(選手選手)(3). ess: actress (女演員女演員), waitress(女服務(wù)員女服務(wù)員)，(4). ness: illness (疾病疾病), homelessness(無家可歸無家可歸)， kindness (慈祥慈祥), happiness(幸福幸福)(5). or: actor (男演員男演員), visitor

29、(參觀者參觀者)， sailor(水手水手)(6). ance: appearance (出現(xiàn)出現(xiàn)), performance(表演表演)(7). ment: agreement (同意同意), basement(地下室地下室)， announcement(通知通知)(8). sion: decision (決心決心), discussion(討論討論)， conclusion(結(jié)論結(jié)論)(9). ist： artist(藝術(shù)家藝術(shù)家)，scientist(科學(xué)家科學(xué)家)(2). ful：helpful(有幫助的有幫助的), hopeful(有希望的有希望的), powerful(有力量的有力

30、量的) ,useful(有用的有用的), careful(仔細(xì)的仔細(xì)的), beautiful(漂亮的漂亮的)(3). less：helpless(無幫助的無幫助的), hopeless (無希望的無希望的), powerless(無力無力量的量的), useless(無用的無用的), careless(粗心的粗心的)(4). ly: friendly(有好的有好的), lovely(可愛的可愛的)(5). ing: interesting(有趣的有趣的), exciting(激動(dòng)人心的激動(dòng)人心的), boring(無聊的無聊的)(6). ed: interested(感興趣的感興趣的)， e

31、xcited(感感 到激動(dòng)的，興奮的到激動(dòng)的，興奮的)， surprised(吃驚的吃驚的)3.轉(zhuǎn)換法轉(zhuǎn)換法英語構(gòu)詞法中把一種詞性用作另一種詞性而詞英語構(gòu)詞法中把一種詞性用作另一種詞性而詞形不變的方法叫做轉(zhuǎn)換法。形不變的方法叫做轉(zhuǎn)換法。1. 名詞轉(zhuǎn)化為動(dòng)詞。名詞轉(zhuǎn)化為動(dòng)詞。Your hand looks badly burnt. 你的手似乎燒傷很重。你的手似乎燒傷很重。He handed me a little rectangle of white paper.他遞給我一張小小的長方形白紙片。他遞給我一張小小的長方形白紙片。2. 形容詞轉(zhuǎn)化為動(dòng)詞。形容詞轉(zhuǎn)化為動(dòng)詞。The stadium em

32、ptied at the end of the first day of athletics.首日體育比賽結(jié)束后，首日體育比賽結(jié)束后， 體育場空無一人。體育場空無一人。一一.根據(jù)句意及首字母提示完成句中單詞。根據(jù)句意及首字母提示完成句中單詞。 Now it gets warmer and warmer because the p_ is getting worse and worse.2. We should do something for e_ protection, so that we can protect the earth.3.It is h_, although we do s

33、omething to make it better.ollutionnvironmentopeless4. We should r_ waste and save energy.5. Do you know the d_ between the Internet and the Word Wide Web?二二. 用所給單詞的適當(dāng)形式填空。用所給單詞的適當(dāng)形式填空。 I like working here because everyone is _(friend).2. Alan is the _(win) of the photo competition this year.3. Mum often tells Linda not to talk to a _(strange).educeifferencefriendlywinnerstranger4. My brother, Jim,