新目标Go+for+it版九年级+Unit+13+We’re+trying+to+save+the+earth!Section+A-1（共81张PPT）.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,英语教学课件系列,Go,for,it!,九年级,Unit,13,We are trying to save the earth,.,Section A 1a-3b,Language Goal,Talk about pollution,and envirnmental protection,Objectives,To,talk about air pollution,water pollution and sound pollution.,To,think about ways of protecting the environment.,To learn the new words:,advantage,scientific,serious pollution,We are,harming,our planet in so many ways.,伤害,air pollution,soil pollution,water pollution,the earth song,by Michael Jackson !,Factories pour dangerous gases into the air.,Cars also pour dangerous gases into the air.,tail gas,air pollution!,The weather is always,foggy,.,We cant see the,blue sky,.,We cant breathe,the fresh air,.,Do you know why?,Factories,produce too much dangerous,smoke,.,The,traffic,produces too many,fumes,.,Some people,smoke,in public places.,Dad,whats the,acid rain,?,Natural resources are disappearing,at a dangerous rate.,以危险的速度,Group One,Group Two,Group Three,desert,灭绝,extinct,Help save the earth,We must think of better way to treat our planet in future.,What do you usually do?,Are you a friend of the Earth?,Take this quiz,.,START,You drink a can of cola.,What do you do?,I,throw away cans,I,recycle cans,.,You throw away the cans.,Thats,bad for,the Earth.,Yo,u recycle the cans,.,Thats,good for,the Earth.,There are a lot of old newspapers at your home.What do you do?,I throw the old newspapers away.,I recycle the old newspapers.,You throw old newspapers away.,You waste paper.,Thats,bad for,the Earth.,You recycle old newspapers.,You save paper.,Thats,good for,the Earth.,You go shopping.What do you do?,I use a lot of new plastic bags.,I use my own bag.,You use a lot of new plastic bags.Thats,bad for,the Earth.,You use your own bag.,Thats,good for,the Earth.,When you write on a piece of paper,what do you do?,I write on one side only.,I write on both sides.,You use paper on one side only.,Thats,bad for,the Earth.,You use paper on both sides.,Thats,good for,the Earth.,close down,the factories;,help to,clean up,the river;,take the bus or subway;,ride a bike;,bring a bag to go shopping,throw rubbish in the cans;,turn off the lights when you leave a room;,use paper or resusable bags;,recycle,books and paper;,turn off the shower when you wash your hair;,dont use napkins;,rethink,reuse,recycle.,solutions,industry,harmful,cost,wooden,plastic,affort,n.工业,adj.有害的,v.花费,adj.木制的,adj.塑料的,v.支付的起,Words and expressions,make a difference,take part in,turn off,pay for,cut down,lead to,起作用；有影响,参加,关掉,付费；付出代价,减少,导致,Words and expressions,We,re trying to save the earth.,我们在努力拯救地球。,The rive used to be so clean.,这河流过去是如此的清澈。,The air is,badly,polluted.,空气被严重污染。,The method is not only cruelbut also,harmful to the environment.,这种方法不仅残酷，而且对环境也有害。,Sentences,基础预习,写出下面单词的意思,litter_,bottom_,fisherman_,ugly_,cost_,plastic_,coal_,advantage_,wooden_,把下面的短语与汉语意思连起来。,make a diffenence,cut down,lead to,be full of,play a part in,导致,起作用,减少,参与,充满,Here are some words,related to,different kinds of,pollution.Write them in the box below.Then add,more words.,1a,loud music,cars,rubbish,planes,littering,ships,factories,smoking,bulding houses,mobile phone,s,noise pullotion,air pollution,water pollution,cars,factories,smoking,building houses(burning,power plants,nuclear waste disposal),Loud music,planes,building houses,mobile phones(machines,crowds,vihicles),rubbish,littering,ships,factories(sewage,industrial waste,pesticides),Listen and complete the sentences.,1b,what was the problem?,The river was _.even the bottom of the river was full of _.there were no more _ for fishmen to catch.,really dirty,rubbish,fish,what cause,d the problem?,people are throwing _into the river.Factories are putting _ into the river.,How should the problem be solved?,We should write to the _ and ask them to _ the factories.everyone should help _to the river.,litter,waste,government,close down,clean up,Watch and read,Mark,:The river was dirty.Even,the bottom of,the river,was full of,rubbish.,Tony,:But it used to be so clean!,Mark,:Yes,but people,are littering,in the,river.,Tony,:Everyone in this town,should,play a,part in cleaning it up!,Role-play the conversation.Then make your own conversations about the kinds of pollution in 1a.,1c,2a,Listen to the interview.Circle the kinds of pollution that Jason and,Susan talk about.,A.land pollution,B.air pollution,C.noise pollution,D.water pollution,1.The air is badly polluted because there are,_,on the road,these days.,2.Factories that burn coal also,_,the air with a lot of black,smoke.,3.There is also too much rubbish and waste.People,_,things away every day.,4.People are also,littering,in,_,like parks.Th is turns,beautiful parks into ugly places.,more car,pollute,are throwing away,public places,2b,Listen again and complete the sentences.,Jason:The air has become really,polluted around here.,Im really,getting worried.,Susan:Yes,I used to be able to see stars,in the sky.,Jason:The problem is that.,Use the information in 2a and 2b to role-play conversations between Jason and Susan.,2c,Interviewer,:Jason and Susan,what are your,ideas for solving these problems?,Jason,:Well,to,cut down,air pollution,we should,take the bus or subway,instead of,driving.,Susan,:Yeah,or ride a bike.Other,advantages of,bike riding are that,its,good for,health,and it doesnt,cost anything,!,2,d,Role-play the conversation,.,Interviewer,:Great ideas!What about,waste,pollution?,Susan,:Mmm,I think simple things like bringing,a bag to go shopping can help.I,started,doing,that a year ago.,Jason,:Me,too.Also,I never take,wooden,chopsticks or,plastic forks,when I buy,takeaway,food.I use the ones at home.,Susan,:And remember to,throw rubbish in the,cans,and,keep,public places,clean,and,beautiful,for everyone.,Interviewer,:So together,our,actions,can,make a difference,and,lead to,a better,future!,Watch and read,辨析：,turn,get,与,become,(1),become,多指身份，职位等的变化，,它强调变化过程已经完成，后面可以接名词,或者形容词。,He become,s a teacher.,(2),get,多用于口语，表示一种变化过程，,强调的是“渐渐变化”后常接形容词的比较级形式。,Language Points,In winter the days get shorter.,冬天白天渐渐变短。,(3),turn,指的是在颜色和性质等方面与以前的完全不同，强调变化的结果。,leaves turned brown in the mountains.,山里的树叶已经变成了棕色。,：,Her mother _ angry when she heard the news.,Its _ darker and darker outside.,The milk has _bad.,练习,bec,ame,get,ting,turn,ed,cut down,意为,减少,；是“动词+副词”结构的短语，后面所带的宾语为名词时，宾语可以位于down的前面或后面；为代词时只能位于down前面。,Youd better cut the article down to about 2000 words.,cut 后接off,into,up,in 的不同：,拓展,cut off,切断；切除,cut into,把.切成.,cut up,切碎,cut in,插队,花费,主语,表示内容,spend,人,宾语可以是钱，精力，时间等。,cost,物或事,后接life，money，health，time等，侧重与花费的代价,take,事或人,说明事情完成花费了.,辨析：spend,cost,take,pay,花费,主语,表示内容pay,人,支付 作为及物动词，可以是 pay sb 或pay some money；作为不及物动词，形式为pay for。for表支付的原因。,1.Do you take exercise everyday?,Yes,I always _ thirty minutes after supper.,A spend B cost C take D pay,2.I _ 300 yuan for the bike.,A took B spend C cost D paid,用方框中所给词的适当形式填空。,1.Dont throw _(垃圾)everywhere.,2.In winter,many people burn _(煤)to keep warm.,3.The police found a body at the _(底部)of the lake.,4.The _(花费)of living in big cities is very,high.,5.He keeps a rabbit in a big _(木制的)box.,cost wooden,coal,bottom,litter,cost,wooden,coal,bottom,litter,1.,He _ go out with his parents,but now,he _ stay at home alone.,A.,use to;is used to,B.,is used to;used to,C.,use to;used to,D.,is used to;is used to,2.,The interesting book _ me 10 yuan,.,A.,took,B.,paid,C.,spend,D.,cost,Choose the best answer.,3.,We must do something useful to _ pollution.,A.c,ut off,B.,cut up,C.c,ut down,D.c,ut in,4.,Smoking can _ lung cancer.youd bettter give it up.,A,work on,B,lead to,C,take away,D,put out,5.,What are the _ of bike riding?,-It can help cut down air pollution.,A,advantage,B,reasons,C,results,D,ideas,1.多一个人少一个人无所谓。,O,ne person wouldn,t _ _ _,_,_.,2.这个木箱时装满了书。,T,he _,_,_ box _ _ _ books.,3.不健康的饮食对这种疾病的传播起一定的作用。,U,nhealthy foods _ _ _ _ the spread of the disease.,4.这条小路通向公园。,T,he path _ _ the park.,5.我错拿了你的包。,I,took your bag _,_,_ _ mine by mistake.,wooden is full of,make a difference,lead to,paly a part of,instead of,Read,the passage about sharks and complete the fact sheet below.,3a,Many have,heard of,sharks,fin soupThis,famous and expensive dish is especially,popular,in southern China,.But do you realize,that youre killing a whole shark,each time,you enjoy,a bowl of,sharks fin soup?,When people catch sharks,they,cut off,their,fins and,throw,the shark,back into,the ocean.,Without a fin,a shark can,no longer,swim,and slowly dies.This,method,is,not only,cruel,but also,harmful,to,the,environment.Sharks are,at the top of,the food chain,in the oceans,ecosystem,.If,their numbers drop too low,it will bring danger to all,ocean life,.Many believe,that sharks can never be,endangered,because they are the strongest in their,food,chain,.,But in fact,around,70 million sharks are caught and,traded,in this,industry,every year.,The numbers of,some kinds of sharks have fallen,by,over 90 percent in,the last 20 to 30 years.,Environmental protection groups,around the world,such as,WildAid,and the,WWF,are teaching the public about“finning”.,They,have even asked,governments,to,develop laws,to stop,the sale of,sharks fins.,So far,no,scientific,studies have,shown that sharks fins,are good for,health,so why eat them?,Help save the sharks!,Where shark fin soup is popular,Number of sharks caught and traded every year,how much the numbers of some kinds of sharks have fallen in the last 20-30 years,Two environmental groups against finning,70 million,over 90 percent,WildAid and the WWF,Lets do this to review the text!,Some people like to eat sharks fin soup,especially in _China.But getting the s harks fin is very _.When people catch sharks,they _ _their fins and throw the sharks into the ocean.The shark slowly dies because it cant _ without the fin.And it is also _ to environment.Sharks are at the _ of the food chain.If the number of sharks drops too low,it will break the balance of nuture.Please say no to eating the shark fin soup,and take action to save the sharks!,southern,cruel,cut off,swim,harmful,top,Lets learn some,language points,harmful,形容词，意为“有害的”。常构成短语,be harmful to,“,对,有害的”。,Staying up often is harmful to your health.,经常熬夜对你的健康有害。,【,拓展,】,harm,名词，意为“害处”。常用构成短语,do,harm to,“,对,有害”，相当于,be harmful to.,Too much smoking does harm to his health.=Too much smoking is harmful to his health.,吸烟过多对他的健康有害。,改为同义句。,Reading in the sun does harm to our eyes.,Reading in the sun _ _ _ our eyes.,is harmful to,辨析：,join,join in,和,take part in,to,join,加入组织，团体，党派等，有作为其中的一个成员的含义;,后面也可以加表示人的名词，表示和某人一起参加某活动,join in,加入一种具体活动。,take aprt in,指参加会议或群众性活动等，着重说明句子主语参加该项活动并在活动中发挥作用。,Will you join us in the discussion?,你参加我们的讨论吗？,She joined the Young Pioneers.,她加入了少先队。,Why didnt you join in the talk last night?,昨晚你为什么没参加座谈？,D,id you take part in the sports meet?,你参加运动会了吗？,1,.Have you _ a club?,Yes,Im in a swimming club and I often _ the swimming training.,A.joined;take part in,B.joined;join,C.taken part in;join,D.taken part in;join in,2.Were going for a picnic.Would you like,to_ us?,Why not?Lets go!,A.attendB.join,C.join inD.take part in,afford,是动词，,意为“,买得起,担负得起,”,，,通常与can,could,be able to,连用,多,用于否定句中。,They couldnt afford$50 for a ticket.,他们拿不出,50,美元买一张票。,afford,后面常跟带,to,的动词不定式。,We cant afford to go abroad this summer.,今年夏天我们没有足够的钱出国。,例句：,Miss Taylor never wastes money on anything too expensive,even though she can _to.She has donated much of the money she saved to charities.,A.affordB.allow,C.remind,D.pay1.Many people do not realize they are killing a,whole shark,_,they enjoy a bowl of sharks,fin soup.,2.Sharks are at the top of the food chain,_,if their numbersdrop,the oceans ecosystem,will be in danger.,Read the,passage again and fill in the bla,nks with the words in the box.,so,when,3b,so although,if but when,Many think that sharks are too strong to be,endangered,_ they are wrong.,_there are no scientific studies to support this,a lot of people believe that shark fins are good for health.,5.Sharks may disappear one day _ we do not do something to stop the sale of shark fins.,but,Although,If,练习题,用方框中词的适当形式完成下面的句子。,(1),I think its _ to make such a young boy work all day.,(,2,),The poor fisherman cant _ his childrens education.,(,3,),I think the government must develop _ to protect environment.,(,4,),Eating too much junk food is _,_,_ your health.,(,5,),He can use different _,_,_ to work out the problem.,method,cruel,harmful,afford,law,cruel,afford,law,harmful,method,II,.单项选择。,1.,Are you going to _ any of the,events?,Yes.Maybe long jump and high jump.,A.take part inB.join,C.attend D.join in,2.I cant afford _ him an expensive birthday present.,A.to buyB.buying,C.for buyingD.buy,3.Remember to _ the lights when you leave the room.,OK.I will.,A.turn onB.turn down,C.turn upD.turn off,4.The girl always has some money to _ snacks.,A.spendB.pay for,C.takeD.cost,5.Look!_ boys are playing on the,playground.,Yes._ them is about 200.,A.The number of;A number of,B.The number of;The number of,C.A number of;the number of,D.A number of;A number of,III,.根据汉语提示完成句子。,1.我们必须采取行动来阻止他们。,W,e must _,_,_ _,_,_ to stop them.,2.我从没听说过这个人。,I,have never _ _ such a man.,3.我们乐意尽力帮你摆脱困境。,W,e are glad to do what we can do _ _ _.,4.到目前为止，我已经交了二十个朋友。,_ _,I have made twenty friends.,5.实际上，她从没去过那儿。,_ _,she has never been there.,In fact,take action,heard of,to help out,So far,Homework,R,eview the new words and expressions.,Practice the conversation in 2d.,Thank You!,