九年级英语Unit13SectionA1.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,*,Look at our earth!,In our daily life,what kind of pollution can you think of?,What has caused each kind of pollution?,serious pollution,We are,harming,our planet in so many ways.,伤害,air pollution,noise,pollution,water pollution,Factories pour dangerous gases into the air.,Air pollution,Cars also pour dangerous gases into the air.,cars,smoking,Some people,smoke,in public places.,Noise pollution,building houses,loud music,mobile phones,planes,Water pollution,factories,rubbish,littering,ships,Unit 13,Were trying to save the earth!,Section A 1,1a-2d,v.,乱扔,/,lit(r)/,n.,垃圾；废弃物,n.,底部；最下部,/,btm/,n.,渔民；钓鱼的人,/,fi(r)mn/,n.,煤；煤块,/kul/,adj.,丑陋的；难堪的,/,gli/,n.,优点；,/d,va:ntid/,/d,vntid/,有利条件,v.,花费,(cost,cost)/kst/,/k:st/,n.,花费；价钱,litter,bottom,fisherman,coal,ugly,advantage,cost,Words and expressions,adj.,木制的；木头的,/wudn/,adj.,塑料的,/plstik/,n.,塑料；塑胶,n.,外卖食物,/teikwei/,wooden,plastic,takeaway,Words and expressions,1a,Here are some words related to different kinds of pollution.Write them in the box below.Then add more words.,noise pollution,_,_,_,_,air pollution,_,_,_,_,water pollution,_,_,_,_,loud music,planes,mobile phones,factories,cars,smoking,ships,factories,littering,rubbish,building houses,building houses,loud music cars rubbish planes,littering ships factories smoking,building houses mobile phones,1b,Listen and complete the sentences.,What was the problem?,The river was _.Even the,bottom(,底部,),of the river was full of,_.There were no more _,for,fishermen(,渔民,),to catch.,really dirty,rubbish,fish,What caused 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,Listen again and check(,)the sentences you hear.,1.We could go fishing in the river.,2.The river was really dirty.,3.The river has always been the nicest,river in this town.,4.We should ask the teachers for help.,1c,Role-play the conversation,The river was dirty.Even the bottom of the river was full of rubbish.,But it used to be so clean!,Yes,but people are throwing litter into the river.,Everyone in this town should play a part in cleaning it up!,Practice,Make conversations using the pollution in 1a.,The river has always been the nicest river in this town.,Yes,it used to be so clean.,What caused the problem?,But I was there last weekend and the river was really dirty.,Factories are also putting waste into the river.,People are throwing litter into the river.,What should we do?,Yes,everyone in this town should play a part.,We should write to the government and ask them to close down the factories.,What else can we do?,Everyone should help to clean up the river.,1.Were,trying to save,the earth!,我们正在竭尽全力拯救地球,!,t,ry to do=try ones best to do,努力去做某事。,e.g.Every student should,try to study,hard in order to study in a university.,为了进入大学学习，每个学生都应该,努力学习。,Language points,2.Here,are,some words,related to,different kinds of pollution.,be related to,与,有关,e.g.I,am,not,relatedto,him in any way.,我和他无任何关系。,3.Everyone in this town should,play a part,in,cleaning it up!,play a part in,在,方面起作用,e.g.A good diet,plays a,large,part in,helping people live longer.,健康的饮食在帮助人们长寿方面起着,非常大的作用。,play a part,在,中扮演角色,e.g.He was invited to,play a part in,this TV,play.,他被邀请参加这个电视剧的演出。,4.Even the bottom of the river was full of,rubbish,.,Yes,but people are throwing,litter,into the river.,litter,和,rubbish,都可指“垃圾”，用作不可数名词,。,rubbish,指“没用的东西,(,被扔或将要丢弃的无用的东西,)”,不可回收,。,litter,指“,(,室内或公共场所,),乱扔的废物,(,纸屑、不要的包装纸、废瓶等,)”,还可回收。,e.g.Throw the,rubbish,out.,把垃圾扔出去。,The room is full of,rubbish,.,房间里堆满了垃圾。,Pick up your,litter,after a picnic.,野餐后将废弃物收拾好。,2a,Listen to the interview.Circle the kinds of pollution that Jason and Susan talk about.,land pollution B.air pollution,C.,noise pollution D.water pollution,2b,Listen again and complete the sentences.,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.,more cars,pollute,3.There is also too much rubbish and waste.People _ things every day.,4.People are also littering in _ like parks.This is turning beautiful places into,ugly(,丑陋,),ones.,are throwing away,public places,Role-play conversations between Jason and Susan.,2c,The air has become really polluted around here.Im getting very worried.,Yes,I used to be able to see stars in the sky.,The problem is that,What should we do to save the earth?,Turn off,the lights when you leave a room.,关掉,stop riding in cars,stop using paper towels or,napkins,（餐巾，餐巾纸）,recycle,books and paper,回收利用,2d,Read 2d and complete the chart.,Problems,Solving problems,air pollution,waste pollution,wooden,(,木头的,)chopsticks or plastic forks,rubbish,take the bus,subway or ride a bike instead of driving.,bring a bag to go shopping.,use chopsticks or forks at home.,throw rubbish in the bins.,Role-play the conversation,Jason and Susan,what are your ideas for solving these problems?,Yeah,or ride a bike.There are other,advantages,(,优点,),of bike riding.Its good for health and it doesnt,cost,(,花费,),anything!,Well,to cut down air pollution,we should take the bus or subway instead of driving.,Great ideas!What about waste pollution?,Me,too.Also,I never take wooden chopsticks or,plastic,(,塑料,),forks when I buy,takeaway(,外卖食品,),food.I,use the ones at home.,Mmm,I think simple things like bringing a bag to go shopping can help.I started doing that a year ago.,And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.,So together,our actions can make a difference and lead to a better future!,This is,turning,beautiful places,into,ugly,ones.,turn into,把,变成,e.g.The icy rain seemed like to,turn into,snow.,渐渐地冻雨又变成雪花的模样。,Language points,2.Its good for health and it doesnt,cost,anything!,cost,v,.,花费；使付出,指花费金钱，主语通常是物。,cost,的过去式和过去分词均为,cost,。,e.g.The new shirt,cost,Mr Wang 200 yuan,.,王先生花了,200,元买了新衬衫。,How much does the new computer,cost,?,新电脑花了多少钱？,take,spend,pay&cost,take,，,spend,，,pay,和,cost,都可以表示“花,费”，但它们的用法各有不同。,1),take,多表示花费时间,，常用于,It takes sb.some time to do sth,.,这一句型中，其中,it,作形式主语,。,e.g.,It,usually,takes,me 40 minutes,to,cook,the dinner.,2),spend,多表示花费时间和金钱，主语通常是人,，常用于,sbspend(s)some time/money on sth,.,和,sb.spend(s)some time/money(in)doing sth,.,两种句型。,e.g.David,spent,2,000,yuan,on,the new,machine.,My father,spends,an hour,(in),watching,the news on TV every day.,3),pay,多表示花费金钱，主语通常是人,，常用于,sb.pay(s)some money for sth,.,句型。,e.g.Tommy,paid,20,yuan,for,his,breakfast yesterday.,4),cost,多表示花费金钱，主语通常是物,，常用于,sth.cost(s)(sb,.)some money.,句型。,e.g.The new dress,cost,Linda 88,yuan,.,根据句意用,take,spend,pay,或,cost,的适当,形式填空。,1.That new car _them lots of money.,2.Mona _ 50,yuan,on the books just now.,3.It usually _ me an hour to do my homework.,cost,spent,takes,4.You should _ some time practising,your pronunciation.,5.My brother _6,000,yuan,for the new computer yesterday.,spend,paid,3.So together,our actions can,make a difference,and lead to a better future!,make a difference(to),表示,(,对,),产生影响或作用,e.g.Do you think his words would,make,any,difference,to,the final decision?你认为他的话会对最后的决定产生影,响吗？,The new teacher always encourages little Tom.This has,made,a,big,difference,to,him.,新来的老师总是鼓励小汤姆，这对他影响很大。,用动词的适当形式填空。,1.Were trying _(save)the earth.,2.There used to _(be)clean and beautiful.,3.There are too many _ for _,to catch(fish).,4.Its bad for environment to use,_(wood)chopsticks.,to save,be,fish,wooden,fishermen,Make a poster!,The earth is badly polluted.Please make a poster and think of what we can do.,Save the earth!,Homework,1.Copy the new words,and remember them.,2.Read the listening,materials of 1b,2a.,