1、Unit 13We are trying to save the earth.air pollutionwater pollutionnoise pollutionland 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 phonesfactoriescar
2、ssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones 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
3、;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;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
4、 fishermen(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 d
5、ownclean 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 ki
6、nds of pollution in 1a.1cMark:The sky is so _.We can hardly see the blue shy these days.Tony:But it used to be so _!Mark:Yes,but there are so many _ on the road.And factories pollute the air with a lot of _ smoke.Tony:Everyone in this town should play a part in making it clear!Finish the conversatio
7、n and role-play it.1cMark:The neighborhood is so _.I cant sleep well or work well.Tony:But it used to be so _!Mark:Yes,but there are so many _ houses and cars.Most people often use mobile phones.Tony:Everyone in this town should play a part in cutting down noise pollution !Finish another conversatio
8、n and role-play it.1cPoints on P971.try to do=try ones best to do 努力去做某事2.be related to 与有关3.mobile phones 手机4.rubbish,litter,waste 垃圾,废物5.the bottom of the river 河底6.be full of 充满7.fisherman-fishermen 渔民8.government 政府9.throw litter into the river 把垃圾扔到河里10.ask sb.to do 要求某人干某事11.close down the fac
9、tories 关闭工厂12.clean up 打扫13.used to be过去是14.play a part in参与，在中扮演角色Memory1.努力去做某事2.与有关3.手机4.垃圾,废物5.河底6.充满7.渔民8.政府9.把垃圾扔到河里10.要求某人干某事11.关闭工厂12.打扫13.过去是14.在中起作用，在中扮演角色 try to do be related to mobile phones litter;rubbish;waste the bottom of the riverbe full of fishermangovernment throw rubbish into th
10、e river ask sb.to do sth.close down the factories clean up used to be play a part in 2a 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
11、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 carsmore carspollutepolluteare throwing awayare throwing away
12、public placespublic places2b Listen again and complete the sentences.Jason:The air has become really polluted around here.Im getting very worried.Susan:Yes,I used to be able to see stars in the sky.Jason:The problem is that factories that burn coal pollute the air with a lot of black smoke.Use the i
13、nformation in 2a and 2b to role-play conversations between Jason and Susan.2cSusan:And there are more cars on the road.Jason:Lets talk about things we can do to help.2cInterviewer:Jason and Susan,what are your ideas for solving these problems?Jason:Well,to cut down air pollution,we should take the b
14、us or subway instead of driving.Susan:Yeah,or ride a bike.There are other advantages of bike riding.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
15、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 bins and keep public places clean and beautiful for everyone.Interviewer:So together,our actions can make
16、a difference and lead to a better future!Complete the chart.ProblemsSolving problemsair pollutionwaste pollutiontake 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.Points on P9815.be badly polluted 受到严重污染16.public
17、 places 公共场所17.turninto 把变成18.cut down 减少19.take the bus or subway instead of driving 乘坐公交或地铁代替开车20.ride a bike 骑自行车21.advantages of bike riding 骑自行车的好处Points on P5822.be good for our health 对我们的健康有好处23.cost，spend，take,pay 花费24.wood-wooden25.takeaway food 外卖食物26.throw rubbish in the bins 把垃圾扔进垃圾箱27.
18、keep public places clean and beautiful 保持公共场所干净漂亮28.make a difference(to)(对)产生影响或作用29.lead to 导致，通向1.This is turning beautiful places into uglyones.2.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。2.Its good for health and it doesnt costanything!cost v.花费；使付出指花费金钱，主语通常是物。c
19、ost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&costtake，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)s
20、pend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 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 br
21、eakfast 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 takes4.You should _ some time
22、 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(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
23、？The new teacher always encourages little Tom.This has made a big difference tohim.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 savebefishwoodenfishermen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,littercost woodencoalbottomlitter
