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,*,Unit 13,Were trying to save the earth!,water pollution,air pollution,noise pollution,litter,v,.,乱扔,n,.,垃圾,rubbish/waste,垃圾，废弃物,land pollution,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,Help save the earth,Lets,take action,(,采取行动,),Turn off the lights,when you leave a room.,Recycle books and paper.,Take buses instead of driving cars.,close down the factories;,bring a bag to go shopping,dont throw the litter away,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,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,Points,try to do=try ones best to do,努力去做某事,be related to,与,有关,mobile phones,手机,rubbish,litter,waste,垃圾,废物,the bottom of the river,河底,be full of,充满,fisherman-fishermen,渔民,government,政府,throw litter into the river,把垃圾扔到河里,ask sb.to do,要求某人干某事,close down the factories,关闭工厂,clean up,打扫,used to be,过去是,play a part in,参与，在,中扮演角色,Memory,努力去做某事,与,有关,手机,垃圾,废物,河底,充满,渔民,政府,把垃圾扔到河里,要求某人干某事,关闭工厂,打扫,过去是,在,中起作用，在,中扮演角色,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 every day.,4.People are also littering in_ like parks.This turns beautiful parks into ugly places.,more cars,pollute,are throwing away,public places,2b,Listen again and complete the sentences.,Points on P58,be badly polluted,受到严重污染,public places,公共场所,turninto,把,变成,cut down,减少,take the bus or subway instead of driving,乘坐公交或地铁代替开车,ride a bike,骑自行车,advantages of bike riding,骑自行车的好处,Points on P58,be good for our health,对我们的健康有好处,cost,，,spend,，,take,pay,花费,wood-wooden,takeaway food,外卖食物,throw rubbish in the bins,把垃圾扔进垃圾箱,keep public places clean and beautiful,保持公共场所干净漂亮,make a difference(to)(,对,),产生影响或作用,lead to,导致，通向,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!,2d,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!,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.,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,sb.spend(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