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Unit 13We are trying to save the earth.The earth is polluted.air pollutionThe factories that burn coal pollutethe air with a lot of black smoke.n.煤炭煤炭Factories put waste into the river.water pollutionnoise pollutionThere are more cars on the road.litter v.乱扔乱扔 n.垃圾垃圾Rubbish，waste垃圾，废弃物垃圾，废弃物People should throw away litter in the bin.n.垃圾箱垃圾箱land pollution1aHere are some words related to different kinds of pollution.Write them in the box below.Then add more words.noise pollution _carsair pollution _water pollution _loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phonesHelp save the earth We must think of better way to treat our planet in future.You drink a can of cola.What do you do?You throw away the cans.Thats bad for the Earth.You recycle the cans.Thats good for the Earth.There are a lot of old newspapers at your home.What do you do?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?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?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 bins;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.1bListen and complete the sentences.What was the problem?The river was _.Even the bottom(底部底部)of the river was full of _.There were no more _ for fishermen(渔民渔民)to catch.really dirtyrubbishfishWhat 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.litterwastegovernmentclose downclean upMark: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.1c1cPoints 1.try to do=try ones best to do 努力去做某事努力去做某事2.be related to 与与有关有关3.mobile phones 手机手机4.rubbish,litter,waste 垃圾垃圾,废物废物5.the bottom of the river 河底河底6.be full of 充满充满7.fisherman-fishermen 渔民渔民8.government 政府政府9.throw litter into the river 把垃圾扔到河里把垃圾扔到河里10.ask sb.to do 要求某人干某事要求某人干某事11.close down the factories 关闭工厂关闭工厂12.clean up 打扫打扫13.used to be过去是过去是14.play a part in参与，在参与，在中扮演角色中扮演角色 Memory1.努力去做某事努力去做某事2.与与有关有关3.手机手机4.垃圾垃圾,废物废物5.河底河底6.充满充满7.渔民渔民8.政府政府9.把垃圾扔到河里把垃圾扔到河里10.要求某人干某事要求某人干某事11.关闭工厂关闭工厂12.打扫打扫13.过去是过去是14.在在中起作用，在中起作用，在中扮演角色中扮演角色 2a2a Listen to the interview.Circle the kinds of pollution that Jason andSusan talk about.A.land pollution B.air pollution C.noise pollution D.water pollution1.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 carspolluteare throwing awaypublic places2b2b Listen again and complete the sentences.Points on P5815.be badly polluted 受到严重污染受到严重污染16.public places 公共场所公共场所17.turninto 把把变成变成18.cut down 减少减少19.take the bus or subway instead of driving 乘坐乘坐公交或地铁代替开车公交或地铁代替开车20.ride a bike 骑自行车骑自行车21.advantages of bike riding 骑自行车的好处骑自行车的好处 Points on P5822.be good for our health 对我们的健康有好处对我们的健康有好处23.cost，spend，take,pay 花费花费24.wood-wooden25.takeaway food 外卖食物外卖食物26.throw rubbish in the bins 把垃圾扔进垃圾箱把垃圾扔进垃圾箱27.keep public places clean and beautiful 保持公共保持公共场所干净漂亮场所干净漂亮28.make a difference(to)(对对)产生影响或作用产生影响或作用29.lead to 导致，通向导致，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.2c2cInterviewer: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!2d2dRole-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.ProblemsSolving problemsair pollutionwaste pollutionwooden(木头木头的的)chopsticks or plastic forksrubbishtake 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.1.This is turning beautiful places into ugly ones.2.turn into 把把变成变成e.g.The icy rain seemed like to turn into snow.渐渐地冻雨又变成雪花的模样。渐渐地冻雨又变成雪花的模样。2.Its good for health and it doesnt cost anything!cost v.花费；使付出花费；使付出 指花费金钱，主语通常是物。指花费金钱，主语通常是物。cost的过的过去式和过去分词均为去式和过去分词均为cost。e.g.The new shirt cost Mr Wang 200 yuan.王先生花了王先生花了200元买了新衬衫。元买了新衬衫。How much does the new computer cost?新电脑花了多少钱？新电脑花了多少钱？take,spend,pay&costtake，spend，pay和和cost都可以表示都可以表示“花花费费”，但它们的用法各有不同。，但它们的用法各有不同。1)take多表示花费时间多表示花费时间，常用于，常用于It takes sb.some time to do sth.这一句型中，这一句型中，其中其中it作形式主语作形式主语。e.g.It usually takes me 40 minutes to cook the dinner.2)spend多表示花费时间和金钱，主语通多表示花费时间和金钱，主语通常是人常是人，常用于，常用于sb.spend(s)some time/money on sth.和和sb.spend(s)some time/money(in)doing sth.两种句型。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，主语通常是人多表示花费金钱，主语通常是人，常用于常用于sb.pay(s)some money for sth.句句型。型。e.g.Tommy paid 20 yuan for his breakfast yesterday.4)cost多表示花费金钱，主语通常是物多表示花费金钱，主语通常是物，常用于常用于sth.cost(s)(sb.)some money.句句型。型。e.g.The new dress cost Linda 88 yuan.根据句意用根据句意用take,spend,pay或或cost的适当的适当形式填空。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?takes4.You should _?some time practising your pronunciation.5.My brother _?6,000 yuan for the new computer yesterday.spendpaid3.So together,our actions can make a difference and lead to a better future!make a difference(to)表示表示(对对)产生影响或作用产生影响或作用 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你认为他的话会对最后的决定产生影 响吗？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，这对他影新来的老师总是鼓励小汤姆，这对他影响很大。响很大。用动词的适当形式填空。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 savebefishwoodenfishermen用方框中所给词的适当形式填空。用方框中所给词的适当形式填空。1.Dont throw _(垃圾垃圾)everywhere.2.In winter,many people burn _(煤煤)to keep warm.3.The police found a body at the _(底部底部)of the lake.4.The _(花费花费)of living in big cities is very high.5.He keeps a rabbit in a big _(木制的木制的)box.cost wooden,coal,bottom,littercost woodencoalbottomlitter
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