外研版英语九年级上册Unit 3Language in useModule 12 Save our world课件PPT

这是一份外研版英语九年级上册Unit 3Language in useModule 12 Save our world课件PPT，共35页。

Unit 3Language in use Module 12 Save our worldTo summarize and consolidate the rules of word buildingObjectivesObserve the following sentences carefully. They are all from this module.1. Reuse means “use again”.2. Though pollution is heavy now, I don’t think it’s hopeless.3. If the rivers are polluted, farmers can’t use the water for their crops.4. If everyone starts to do something, the world will be saved.Language practice5. We all need a healthy environment, but we produce waste every day, and it is harmful 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 let’s take these simple steps today so that we will save the world for our grandsons and granddaughters tomorrow.1. _______ (use) means “use again”.2. Though ________ (pollute) is heavy now, I don’t think it’s ________ (hope).3. If the rivers are polluted, ________ (farm) can’t use the water for their crops.4. If _________ (everyone) starts to do _________ (something), the world will be saved.5. We all need a _______ (health) environment, but we produce _______ (waste) every day, and it is _______ (harm) to our environment.Reuse pollution hopeless farmers everyone something healthy waste harmful 6. Do not ______ (waste) things.7. Repeat these three words daily: reduce, _______ (use) and _______ (recycle).8. Before you buy _________ (something) new, think whether it is _______ (real) necessary because maybe old one is just as good!9. …but let’s take these simple steps today so that we will save the world for our _________ (grandson) and ______________ (granddaughter) tomorrow.waste reuse recyclesomethingreally grandsons granddaughters 1. 合成法将两个或两个以上独立且语义不同的单词合在一起构成新词的方法称作合成法。构词法2. 派生法通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法称作派生法。词根词缀名词形容词副词+… interestuninterestedinterestinglyuninterestinginterestedinteresting2. 派生法 helphelpfullyhelplesslyhelpfulhelpless abledisableunableenableability3. 转换法英语构词法中把一种词性转化为另一种词性而词形不变的方法称为转化法。(1) v. → n. — Let’s talk about it more. — I think we’d better finish the talk now. — 咱们再谈谈这件事吧。 — 我想我们最好现在结束谈话。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 renewableagain can be can be new againLearning to learnMake new words. Join the parts of the 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-care collect hope possible use usual wanted wasteAB careful carelesscollectablehopeful hopelessimpossiblereuse usable useful uselessunwantedwasteful unusual1Now work in groups. Play the guessing game English for Fun.1. full of care __________2. can be collected __________3. full of hope __________4. without any hope __________5. not possible __________carefulcollectablehopefulhopelessimpossibleEnglish for FunEnglish for Fun6. not usual __________7. without any use __________8. use again __________9. not wanted __________10. making a lot of waste __________unusualuselessreuseunwantedwastefulComplete the sentences with the words in the box.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 to pollution now, the future will be ________.unhealthywastefulreuseimpossiblehopeful2Complete the table.useuseusefully/ uselesslyhope hopeful/ hopelesspollutepolluted/ unpollutedwaterwaste wasteful/ wasted wastefully usual/ unusual3Complete the sentences with the correct form of the words in Activity 3.She was _______ that her new job would make her more successful.hopeful1. 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 once a day.pollutedusual wastefulwater4Complete the sentences.A ________ is a box that you keep your lunch in. lunchbox1. 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 black board that is used at school for writing on with chalk.postcardclassroomstorybookblackboard5Work 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 environment?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 cans and paper by selling them to the recycled factory. 6Mike: I hear you are off to the Caribbean for a holiday! Lucky you! But aren’t 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’ve already tried my best to protect the environment. I recycle. I don’t (2) ___________ things if I don’t want them any more. I (3)__________ the lights when I leave a room. Don’t tell me I shouldn’t travel by plane any more! worried about throw away turn offComplete the conversation with the correct form of the expressions in the box.7Mike: 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, I’ll plant some trees!Mike: That’s the idea! Maybe we can all join in and start a small forest! are good for1. 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 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.Listen and check (√) the true sentences.√√√√××8 glass, plastic and paper recycle Reuse take a bag are hard to reduce pollution waste electricityWalk or cycle pollutionListen again and complete the table.9Around the worldEarth Hour Earth 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 lights. 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.Discussing what you can do about pollution.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 pollution, air pollution, etc. Find out more information about your subject.  Look it up on a website or in a book.Module task:10Discuss 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”, “That’s true” or “That's a good point”; if you do not agree with what someone says, say “I'm sorry, but I don’ t agree. I think that…”Present your group’s ideas to the whole class.1112英语中常见的构词法：1.合成法2. 派生法 （加前缀、后缀）3. 转化法（词性变词形不变）ReviewBoth of the books were ________ to her and she couldn’t decide which one to buy.2. How ________ of John to break the cup!3. The meat has a strange smell. I’m afraid it’s hardly ________.I. 从方框中选择适当的单词并用其正确形式填空。helpfulcarelesseatablePracticecorrect energy eat possibleappear help success care4. Tom is an _________ boy and it seems that he never gets tired.5. I’m afraid that it’s __________ for us to get there before eight.6. The sun ___________ behind the clouds and it began to rain.7. I’m sorry to say your answer is __________. Please try again.8. It’s not easy to become a ___________ actor.energeticimpossibledisappearedincorrectsuccessfulⅡ.完成下列同义句。1. It’s not polite to speak to others with your mouth full of food. It’s _________ to speak to others with your mouth full of food.2. The teacher asked him to write the composition again. The teacher asked him to _________ the composition.impoliterewrite3. He’s not popular with some of the neighbors. He’s _________ with some of the neighbors.4. I hate sweet food. Especially, I don’t like eating cake. I hate sweet food. Especially, I _________ eating cake.5. Hamburgers, candy and ice cream aren’t healthy food. Hamburgers, candy and ice cream are ____________ food.unpopulardislikeunhealthy1. Search for more information about pollution. Make an oral presentation to your class.2. Finish the exercises in the students’ book.Homework