九上m12Unit1.ppt

1、Unit 1Look at the following pictures.What pollution is it?rubbish pollutionair pollutionwater pollutionnoise pollutionlight pollutionair pollutionwater pollutionlight pollutionnoise pollutionrubbish pollutionour beautiful worldEarth Song by Michael Jackson What should we do to save the planet?Turn o

2、ff the lights when you leave the room.Turn off the shower while you are washing your hair.Stop riding in cars.Take your own bags when shopping.Stop using paper napkins.What may cause pollution?Why do many of the factories pollute the air and rivers?Do you think plastic bottles can be recycled into c

3、lothing?recycle plastic bottles into clothing What can you see in Picture 1?What about the second picture?1factory pollute recycle wasteListen and answer the questions.1.Where is the place in the second picture?2.What may be the relationship between the man and the children?Teacher and students.In a

4、 recycling centre.2Listen again and complete the sentences.1.The factory is causing a lot of _.2.There should be some _ to stop the pollution.3.We can _ waste products,such as _ and paper in a recycling centre.pollutionrulesrecycleglass2Listen and answer the questions.1.Why is Lingling worried about

5、 the future?Because of pollution.2.Who thinks up the idea of making a green school?Lingling.33.What are the three problems that the friends talk about and the one solution?The three problems are water pollution,air pollution and many cars on the roads.One solution is to make their school a green sch

6、ool.Complete the notes.Pollution problemsPollution problems1.If the rivers are polluted,_ _.2.In some places,pollution from factories _ _.3.The cars on the roads _ _.use the water for their crops farmers cant spreads over cities and villages.It makes people ill,and may even kill them use so much oil

7、 and cause pollution as well3What the students can doWhat the students can do4.Support a green school:every class _ _ which can be _.Then the school _ to help students _.5.Students learn _.That means _.waste collectsrecycled or used again sells the waste in poor areas ways to save energy less wasteD

8、o you have any good ideas of being green in daily life?7 ways to go green in life账单账单Read and work out the meaning from the conversation.Its no use Such as?Nice idea!是没有用的是没有用的比如说比如说？好主意！好主意！Choose one of the expressions in Everyday English and make a conversation.1.A:Could you tell me the right tim

9、e,please?B:Well,my watch says five past two,but its no use relying on it,because it has been gaining and losing these days.A:Youll have to get it fixed.B:Yes,I will.2.A:Hi,Kate!What places have you been to in China?B:Oh,Ive been to many places.A:Such as?B:Do you know about Xian?I went there last mon

10、th.3.A:The vacation is coming.How about going traveling?B:Nice idea!Would you like to travel with the agency or by yourself?Read and guess where the speakers will link words.1.After our lesson on the environment,Im worried about the future.2.Students at a green school also learn ways to save energy

11、and recycle at home.1.After our lesson on the environment,Im worried about the future.2.Students at a green school also learn ways to save energy and recycle at home.Listen and mark the words which the speaker links.Listen again and repeat.1.After our lesson on the environment,Im worried about the f

12、uture.2.Students at a green school also learn ways to save energy and recycle at home.-We should stop the factories from polluting the river.-I agree.And we should stop them from polluting the air as well.Work in pairs.Say what you should do with pollution problems.For example:1.If the rivers are po

13、lluted,pollute v.污染；弄脏污染；弄脏We should not pollute our rivers with waste.我们不应让废弃物污染我们的河川。我们不应让废弃物污染我们的河川。She thinks these books pollute the minds of children.她认为这些书腐蚀儿童的心灵。她认为这些书腐蚀儿童的心灵。Language points pollution n.污染；污染物污染；污染物People are becoming increasingly worried about pollution.人们对污染越来越感到忧虑。人们对污染越

14、来越感到忧虑。The air pollution has become a big problem.空气污染已成为大问题。空气污染已成为大问题。知识链接知识链接To _ nature is to help ourselves,or we will be punished.(连云港连云港2010)A.protect B.prevent C.provide D.polluteThe local people had to move away because of the serious _.(pollute)Apollution2.They use so much oil and cause po

15、llution as well.oil n.石油；油；油画颜料石油；油；油画颜料The price of oil has gone up.石油的价格已经上涨了。石油的价格已经上涨了。Drop the slices into the oil and fry until golden brown.将切片倒进油里，煎至金棕色。将切片倒进油里，煎至金棕色。He is good at painting in oils.他擅长画油画。他擅长画油画。animal oil 动物油动物油coal oil 煤油煤油cooking oil 烹调用的油烹调用的油corn oil 玉米油玉米油salad oil 色拉油

16、色拉油vegetable oil 植物油植物油,菜油菜油pour oil on(the)flame(s)火上浇油火上浇油burn the midnight oil开夜车；开夜车；工作到工作到深更半夜深更半夜知识链接知识链接 cause v.引起；导致；使发生引起；导致；使发生What caused his death?他的死因是什么他的死因是什么?Im afraid I am causing you much trouble.我担心我给你增添麻烦。我担心我给你增添麻烦。What can we do to _ bird flu from spreading?Try not to buy or e

17、at chickens that have not been checked.(2013 泉州泉州)A.prevent B.cause C.discoverMany accidents _ by careless drivers last year.(2011北京北京)A.are caused B.were caused C.have caused D.will causeAB3.Its no use talking about things we cant do.Its no use doing sth.是固定句型，意思是是固定句型，意思是“做某事没用做某事没用/只是白费力气只是白费力气”。

18、在这个句。在这个句型中，动词型中，动词-ing形式是主语，形式是主语，it 是形式主语。是形式主语。It is no use crying over spilt milk.覆水难收。（谚语）覆水难收。（谚语）It is no use talking without doing.光说不做是没有用的。光说不做是没有用的。Eugenes never willing to change any of his opinions.Its no use _ with him.A.to argue B.arguing C.argued D.having argued给他提建议没有用给他提建议没有用,他不会听你

19、的。（他不会听你的。（Its no use doing sth.）BIts no use giving advice to him.He wont follow your suggestion.这种动词这种动词-ing作主语、作主语、it 作形式主语的句型作形式主语的句型还有：还有：It is no good doing sth.做某事不好做某事不好/没用没用/不行不行 Its a waste of time/money doing sth.做某事是白费时间做某事是白费时间/金钱金钱 Its fun doing sth.做某事很有趣做某事很有趣知识链接知识链接It is no good tal

20、king to him because he never listens.跟他讲没用，因为他从来不听。跟他讲没用，因为他从来不听。Its a waste of time trying to talk to her when shes in this mood.在她目前的心情下，找她谈是白费时间。在她目前的心情下，找她谈是白费时间。Its great fun playing golf.打高尔夫球很有意思。打高尔夫球很有意思。4.Such as.?such as 例如；诸如例如；诸如In this paragraph there are many nouns,such as boy,girl,an

21、d book.这一段里面有很多名词，例如男孩、女孩这一段里面有很多名词，例如男孩、女孩和书本。和书本。I know many of them,such as John,Peter,and Tom.我认识他们当中的很多人，例如约翰、彼我认识他们当中的很多人，例如约翰、彼得和汤姆。得和汤姆。such as 和和 for example 的用法与区分的用法与区分1)such as一般用来列举同类人或物中的几个一般用来列举同类人或物中的几个例子，插在被列举的例子和前面的名词之例子，插在被列举的例子和前面的名词之间，间，as后没有逗号。在使用后没有逗号。在使用such as时应注时应注意后面列举事物的数

22、量不能等于前面所提意后面列举事物的数量不能等于前面所提事物的总和事物的总和;2)for example一般只举同类人或物中的一个一般只举同类人或物中的一个为例为例,作插入语作插入语,可置于句首、句中或句末。可置于句首、句中或句末。For example,air is invisible.例如，空气是看不见的。例如，空气是看不见的。He,for example,is a good student.例如，他就是个好学生。例如，他就是个好学生。知识链接知识链接5.,every class collects waste which can be recycled or used again.waste

23、 在这里是做名词，意思是在这里是做名词，意思是“废料；废废料；废弃物弃物”Put all the waste in this bag.把所有垃圾放进这只袋子里。把所有垃圾放进这只袋子里。A lot of poisonous waste from the chemical works goes into the river.化工厂把许多有毒废水排入河中。化工厂把许多有毒废水排入河中。注意：表示不同种类的废弃物时，注意：表示不同种类的废弃物时，waste可可用复数形式用复数形式waste(n.)-“废物废物”。普通用词，概念广。普通用词，概念广泛，指任何被丢弃的东西。泛，指任何被丢弃的东西。rub

24、bish(n.)-“垃圾，废物垃圾，废物”。普通用词，。普通用词，指任何成堆的、破损的、用过的或无用的指任何成堆的、破损的、用过的或无用的东西，尤指弃掉的垃圾堆。也可作引申用。东西，尤指弃掉的垃圾堆。也可作引申用。指愚蠢无用的话语和思想。指愚蠢无用的话语和思想。waste&rubbish知识链接知识链接Industrial waste must be prevented from polluting our rivers.必须阻止工业废物污染河流。必须阻止工业废物污染河流。The rubbish must be thrown away.这些垃圾必须扔掉。这些垃圾必须扔掉。He is talki

25、ng rubbish.他在说废话。他在说废话。waste v.浪费；滥用浪费；滥用In order not to waste electricity,turn off all the lights when you go out.为了不浪费电为了不浪费电,出门时把所有的灯关掉。出门时把所有的灯关掉。I dont like to waste your time.我不愿浪费你的时间。我不愿浪费你的时间。知识链接知识链接 recycle v.回收利用；再使用回收利用；再使用We should try to recycle all our waste paper.我们应该把所有废纸回收再利用。我们应该

26、把所有废纸回收再利用。Glass can be recycled from old bottles.利用旧瓶子可以再生玻璃。利用旧瓶子可以再生玻璃。One thing you cant recycle is wasted time.唯一无法回收利用的是你浪费掉的时间。唯一无法回收利用的是你浪费掉的时间。(2012浙江丽水浙江丽水)Today people are encouraged to _ paper,plastic and water for a better environment.A.use B.waste C.recycle D.makeC前缀前缀re-的意思是的意思是“重新重新；

27、再次；再次”，cycle的的意思是意思是“循环循环”，那么，那么recycle的意思就是的意思就是“再循环、回收利用再循环、回收利用”现在，轮到你来猜啦！下面这些单词是什现在，轮到你来猜啦！下面这些单词是什么意思：么意思：rewrite,retell,rebuild,regain,reuse6.That means less waste.less adj.较小的；较少的较小的；较少的It would be good to have less pollution.如果污染更少的话就好了。如果污染更少的话就好了。The doctor advises me to eat less meat.医生劝我

28、少吃肉。医生劝我少吃肉。注意：注意：less是是little的比较级的比较级,修饰不可数名修饰不可数名词词(2009黄冈中考黄冈中考)Thanks to the policy,the government is sending home-electric machines to farmers,they can pay much _(少的少的)money.less(2008咸宁中考咸宁中考)-If there are _ people driving,there will be _ air pollution.-Yes,the air will be fresher.A.less;less B

29、.less;fewer C.fewer;fewer D.fewer;less 解析：解析：less 是是litter 的比较级，的比较级，fewer 是是few 的比较级。由的比较级。由“空气将更清新空气将更清新”可知首句可知首句意为意为“如果有更少的人驾车，将会有更小如果有更少的人驾车，将会有更小的污染的污染”。people 是可数名词，是可数名词，air pollution 是不可数名词，故选是不可数名词，故选D。D(2007广东中考广东中考)The doctor told Mary to eat _ vegetables and _ meat because she was gettin

30、g fatter and fatter.A.much;little B.more;less C.many;few D.more;fewer 解析解析:more 是形容词是形容词much 或或many 的比的比较级，较级，less 是是little 的比较级，的比较级，fewer 是是few 的比较级。根据句意的比较级。根据句意“医生告诉玛丽吃更医生告诉玛丽吃更多的蔬菜、更少的肉，因为她正变得越来多的蔬菜、更少的肉，因为她正变得越来越胖越胖”可排除可排除A、C 选项；另因为选项；另因为meat 是是不可数名词，要用不可数名词，要用less 修饰，故答案为修饰，故答案为B。B7.,I dont t

31、hink its hopeless.这句话的这句话的双重否定双重否定。这种句子形式上虽为。这种句子形式上虽为否定，实则表示强烈的肯定语气。否定，实则表示强烈的肯定语气。It is impossible not to do the work 不做这件工作是不可能的。不做这件工作是不可能的。I dont think that she will fail to come.我想她应该会来的。我想她应该会来的。hopeless adj.无望的；无可救药的无望的；无可救药的It is said that their position is hopeless.据说据说,他们的处境没有希望。他们的处境没有希望

32、。They feel hopeless about their future.他们感到前途无望。他们感到前途无望。She must think him hopeless.她一定认为他没出息。她一定认为他没出息。The line of cars in the street was endless.It seemed to be _ to walk across the street.A.hopeful B.hopeless C.helpful D.helpless(2011四川乐山四川乐山)He failed his job interview again,and he felt really

33、_(with no hope)about the future.Bhopeless-less是最常见的含否定意义的英语后缀之是最常见的含否定意义的英语后缀之一，它附在名词或动词之后主要构成形容一，它附在名词或动词之后主要构成形容词，有时也构成副词。词，有时也构成副词。homeless 无家可归的无家可归的 helpless 无助的无助的 useless 没用的没用的 nameless 莫名的莫名的 voiceless 无声的无声的 endless 无尽的无尽的 colorless 暗淡的暗淡的知识链接知识链接 hope n.v.希望希望This brought new hope to him.这给他带来了新的希望。这给他带来了新的希望。All my hopes have come true.我所有的希望都已成为现实。我所有的希望都已成为现实。I hope you will help me.我希望你能帮助我。我希望你能帮助我。hopeful adj.有希望的有希望的 hopefully adv.怀着希望地怀着希望地;但愿但愿知识链接知识链接