课件44张PPT。Unit 3 Save our worldModule 12Language in use课文呈现知识讲解…………Module 12 Unit 3词汇
听写课堂导入12课堂小结课堂练习课后作业… 同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！汉译英。
1.如果你细心，你就不会让我们老师失望了。
If you are _______, you will not make our teacher ________.
2.这些电脑已经坏了，再次使用它们是不可能的。
The computers can’t work, it is __________to _______them.
3.他的母亲通常会充满希望的站在那棵大树下等他。
His mother________stands under the big waiting for him.downcarefulimpossiblereuseusuallyLanguage practice
Reuse means “use again”．
Though pollution is heavy now, I don't think it's hopeless.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.
A
B-able -ful im- -less re- un-care collect hope possible
use usual wanted wastecareful careless collectable hopeful
hopeless impossible reuse unusual unwanted wasteful Learning to learn
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：re＝again, able＝can be，renewable＝can be new againNow work in groups. Play the guessing game English for Fun.
English for Fun
1．full of care careful
2．can be collected __________
3．full of hope ________
4．without any hope ________collectablehopefulhopeless5．not possible _________
6．not usual ________
7．without any use ________
8．use again ________
9．not wanted _________
10．making a lot of waste ________impossibleunusualuselessreuseunwantedwasteful知识点1work out解决；计算；产生结果；设计出eg：The plan worked out badly.
计划实施得很不成功。
See if you can work out this problem.
看你能不能解出这道难题。 This math problem is very difficult. All of us can't ________ it________．
A．try; out B．take; out
C．work; out D．set; out典例C【点拨】题意：这道数学题太难了，我们所有人都不能解出它。故应用work out。2Complete 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 ________．unhealthywastefulreuseimpossiblehopefulhopeful impossible reuse
unhealthy wasteful3Complete the table.usageuse usefully/
uselesslyhopehopeful/
hopelesspollutepollutedwaterwastefulwastefully usual/
unusualwaste4Complete the sentences with the correct form
of 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.
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.pollutedusualwastefulwater5Complete 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 black board that is used at school for writing on with chalk.postcardclassroom storybook blackboard1．What kinds of things can be recycled?
2．How can these things be reused?
3．How does this help the environment?
4．Have you ever recycled or used things that can
be recycled? How?6Work in pairs. Look at the pictures and answer
the questions.Mike: 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?7Complete the conversation with the correct form of the expressions in the box.worried aboutbe good for throw away turn off worry aboutKen: 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!
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. turn off throw awaybe good for throw away turn off worry about 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 forbe good for throw away turn off worry about1．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. 8Listen and check (√) the true sentences.√√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.√√Reuse and recycle
It’s a waste to throw used things away. Don’t throw away things made of glass, plastic and paper, but recycle them if possible. Plastic bags are hard to recycle, so reuse the old ones when you can. Take a bag with you when you go shopping.听力材料Reduce pollution
Producing electricity and using oil may cause pollution of the air, water and earth in many different ways.
If we use less electricity and oil, we can reduce pollution. Here is some advice: don’t leave lights on and waste electricity; walk or cycle, and don’t drive a car unless you have to. Walking and cycling are good for your health too! 9Listen again and complete the table.glass , plastic and paper recycle Reuse take a bag reduce pollution waste electricity Walk or cycle are hard to cause pollution of the air, water and earth in many different waysAround the world
Earth 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 ta-king 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?. 知识点2go dark 变暗这里的go为系动词。英语系动词的功能主要是把表语和主语联系在一起，说明主语的属性、特征或状态。系动词不能在句中独立作谓语，必须和后面的表语一起构成句子的谓语。11典例 eg：The flowers smell sweet.
这些花闻起来很香。
They seem very happy.
他们似乎很快乐。【点拨】裙子应该是“摸起来”柔软，故选C。The skirt ________ soft as if it is made of silk.
(浙江丽水)
A．sounds B．tastes C．feels D．smellsC11考向一【重点】 某些含有变化意义的动态系动词如get, become, grow, turn等的进行时态可与形容词的比较级连用，表示渐进过程，其意思是“越来越……”。
eg：He is growing taller and taller.
他长得越来越高了。
Our life is getting better and better.
我们的生活越来越好了。考向二【难点】 后接过去分词可构成系表结构。
eg：John got wounded while playing football last Saturday.
约翰上周六踢足球时受了伤。考向三【易错点】 易混系动词的区别
get, become, go, turn, grow“变得”10Work 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: Discussing what you can do about pollution知识点3care for与care about的意义、用法区别11典例 Many teenagers ________ the old and they often offer their seats to the old on buses. (湖北襄阳)
A．agree with B．worry about
C．laugh at D．care forDTake 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...”11Discuss your subject.12Present your group's ideas to the whole class. 本节课主要复习所学词汇；并总结巩固构词法。一、用所给词的适当形式填空
1． The farmers often water crops to keep them . （grow）.
2． We should try our best （protect）our environment.
3.（广东）It is （usual）for a four-year-old boy to write poems so well. growingto protectunusual4． （南通）To make a green world，we should try to reduce air （pollute）by walking more and driving less.
5． （兰州）This （wood）bridge was built more than 20 years ago.pollution二、根据汉语提示完成句子
6． He can’t finish the work __________________ （在如此短的时间里）.woodenin such a short time
7.（改编·广州）You've （算出）the maths problem yourselves. What clever children you are！
8．Will you （参加）the school sports meeting next Friday？
9． Eating more vegetables （对……有好处） our bodies.
10． We should （注意听）to the teacher in class.take part inworked outis good forpay attention to listening三、单项选择
11. It is famous for its in helping homeless people
return to a normal life.
A. succeed B. success C. successful
12. （中考·天津） When you leave, please turn off the light energy.
A. save B. saving C. saved D. to save
13.【易错点】You can’t sneeze and keep your eyes at
the same time.
A. open B. opens C.opened D. openingBD A 14. Around the world more and more people are _______
dangerous sports activities , because life in modern
societies has become safe and boring.
A. taking out B. taking off
C. taking part in D. taking care of
15. （中考·天津） We don’t want to speak badly
or________ in front of the class.
A . clearly B. carefully C. carelessly D. properlyCC必做：1.熟记本课时的词汇。
2.背诵教材P102⑧的内容。
