新外研版九年級上冊英語 Module 12 Unit 3 教學課件

1、Module 12 Save our world Unit 3 Language in use. 學習目標1.To summarize and consolidate the rules of word building.2.To know how to protect the environment.3.To practice word-building: compounds, derivatives, conversion新課導入Language practiceReuse means “use again”.Though pollution is heavy now, I dont th

2、ink its hopeless.思 考新課講解1Make 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.-able -ful im- -less re- un-able -ful im- -less re- un-ABcarefulcarelesscollectablehopeful hopelessimpossiblereuseunusualunwantedwasteful新課講解Now work in

3、 groups. Play the guessing game English for Fun.English for Fun1. 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 _carefulcollectablehopefulhopelessimpossibleunusualusel

4、essreuseunwantedwasteful新課講解Learning 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 renewableagain can be can be new again新課講解2Complete the sentences with the words in the box.hopeful impossible reuse unhealthy wastef

5、ul1. 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 to pollution now, the future will be _.unhealthywastefulreuseimpossiblehopeful新課講解Complete

6、the table.3Noun Verb Adjective Adverb useful/ uselesshope hopefully/ hopelessly pollution water waste usually/ unusuallyuseuseusefully/ uselesslyhope hopeful/ hopelesspollutepolluted/ unpollutedwaterwaste wasteful/ wasted wastefully usual/ unusual新課講解4Complete the sentences with the correct form of

7、the words in Activity 3.She was hopeful that her new job would make her more successful. 1. The factory _ the river, and the fish died.2We often walk in the countryside. It is a(n) _ activity for us.3Do not use so much water. It is very_4To keep the flowers growing, you need to _ them once a day.pol

8、lutedusual wastefulwater新課講解5Complete the sentences. A lunchbox is a box that you keep your lunch in.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 for children.4. A _ is a bla

9、ck board that is used at school for writing on with chalk.postcardclassroomstorybookblackboard新課講解6Work in pairs. Look at the pictures and answerthe questions. What kinds of things can be recycled?paper, plastic2. How can these things be reused?Many paper and plastic things can be used more than one

10、 time. Or we can change these things into decorations made by us. 新課講解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?I ever recycled to use paper cup, I just use them to mak

11、e some small decorations such as pen container. 新課講解7Complete 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! But arent you (1) _the pollution that such long plane jour

12、neys may cause for the environment?KEN: I know, but what can I do about it? Ive already tried my best to protect the environment. 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! worried aboutthrow aw

13、ayturn off新課講解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 plant some tr

14、ees!Mike:Thats the idea! Maybe we can all join in and start a small forest!are good for新課講解8Listen and check () the true sentences.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 them when possibl

15、e.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. 新課講解9Listen again and complete the table.Advice1.Dont throw away things made of_， but _ them.2._

16、your plastic bags when you can and _ with you when you go shopping. 3.Use less electricity and oil to _. 4Dont leave lights on and _. 5_ and do not often drive your car. glass , plastic and paper recycle Reuse take a bagreduce pollutionwaste electricity Walk or cycle新課講解Around the world Earth Hour E

17、arth Hour is held toward the end of March each year. During Earth Hour, people all 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 2007 in Sydney, where more than 2.2 million people switched off their l

18、ights. Today, more and more cities are taking part in the event, such as Beijing, London, Rome and New York, and landmarks like the Empire State Building and the Golden Gate Bridge will go dark. 新課講解10Work in groups. Decide what kind of pollution you want to talk about. Choose a subject that you car

19、e about the most. It could be water pollution, air pollution, etc. Find out more information about your subject. Look it up on a website or in a books.新課講解11Discuss 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 wha

20、t they have said, say “I agree”, “Thats true” or “Thats a good point”; if you do not agree with what someone says , say “Im sorry, but I dont agree. I think that .”12Present your groups ideas to the whole class.新課講解 work out解決；計算；產(chǎn)生結果；設計出PointLanguage points 1eg：The plan worked out badly. 計劃實施得很不成功。

21、 See if you can work out this problem. 看你能不能解出這道難題。新課講解 go dark 變暗PointLanguage points 2這里的go為系動詞。英語系動詞的功能主要是把表語和主語聯(lián)系在一起，說明主語的屬性、特征或狀態(tài)。系動詞不能在句中獨立作謂語，必須和后面的表語一起構成句子的謂語。考點1 :某些含有變化意義的動態(tài)系動詞如get, become, grow, turn等的進行時態(tài)可與形容詞的比較級連用，表示漸進過程，其意思是“越來越”。eg：He is growing taller and taller. 他長得越來越高了。 Our life

22、is getting better and better. 我們的生活越來越好了。新課講解 go dark 變暗PointLanguage points 2考點2 :后接過去分詞可構成系表結構。eg：John got wounded while playing football last Saturday. 約翰上周六踢足球時受了傷?？键c3 :易混系動詞的區(qū)別get, become, go, turn, grow“變得”考點3 :get :“變得”，在口語中用得很多。become :“變成，成為(好壞情況均可)”。后接形容詞、名詞、過去分詞作表語。go :“變得(某種由好到壞的情況)”，可表示

23、顏色的變化或語態(tài)的變化。turn :“變成”，強調(diào)與原來不同的、新的變化，如變質、變色等。grow :“逐漸變得”，強調(diào)其變化過程.新課講解 care for與care about的意義、用法區(qū)別PointLanguage points 3careabout在乎，關心I dont care about your opinion.我不在乎你的意見。Dont you care about anybody?你難道誰也不關心嗎？carefor喜歡，照顧She doesnt care for that colour.她不喜歡那種顏色。He cared for his sick mother day an

24、d night.他日夜照顧生病的母親。新課講解GRAMMER英語中常見的構詞法：1.合成法2. 派生法 （加前綴、后綴）3. 轉化法（詞性變詞形不變）新課講解GRAMMER1. 合成法將兩個或兩個以上獨立且語義不同的單詞合在一起構成新詞的方法稱作合成法。合成名詞afternoon, sportsman, blackboard, newspaper, airplane, classmate合成形容詞 kind-hearted, middle-aged, hard-working合成副詞 however, maybe合成代詞 himself, everyone, nothing合成動詞 overl

25、ook新課講解GRAMMER2. 派生法在一個單詞前或后加上一個詞綴，就可以構成一個新詞。 根據(jù)詞綴的位置，分為前綴和后綴兩種。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：我們學會care, 就能掌握careful, careless, carefully, carelessly。下面我們來學習幾個常見的前、后綴：新課講解GRAMMER前綴：詞根re-in(m)-un-dis-意義再/又不/無不/無不/無例子rewriteincorrectuneasydislikereuseimpossibleimpoliteuntruedisagree新課講解GRAMMER詞根inter-su

26、per-anti-意義互相 超反對；防止例子internationalsupermananti-warinternetsupermarketsuperstaranti-pollution新課講解GRAMMER后綴：常見名詞后綴:(1). an: American (美國人), Indian(印度人)，Canadian(加拿大)，Italian(意大利人)(2). er: worker (工人), driver(司機)， teacher(教師)，player(選手)(3). ess: actress (女演員), waitress(女服務員)(4). ness: illness (疾病), ho

27、melessness(無家可歸)，kindness (慈祥), happiness(幸福)(5). or: actor (男演員), visitor(參觀者)，(6). ance: appearance (出現(xiàn)), performance(表演)(7). ment: agreement (同意), 新課講解GRAMMER后綴：常見形容詞后綴:(1). ful：helpful(有幫助的), hopeful(有希望的), powerful(有力量的) ,useful(有用的), (2). less：helpless(無幫助的), hopeless (無希望的), powerless(無力量的),u

28、seless(無用的), (3). ly: friendly(有好的), lovely(可愛的)(4). ing:interesting(有趣的), exciting(激動人心的), boring(無聊的)(5). ed: interested(感興趣的)， surprised(吃驚的)新課講解GRAMMER3. 轉換法英語構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換法。1. 名詞轉化為動詞。Your hand looks badly burnt. 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。2. 形容詞轉化為動詞。The stadium emptied at the end of the first day of athleti