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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,*,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,*,Unit13,Were trying to save the earth.,SectionA,（,1a-2d,）,The earth is polluted.,Lead-in,air pollution,The factories that,burn,coal,pollute,the air with a lot of,black smoke.,We should stop the factories from polluting the air.,Factories are putting waste water into the river.,We should stop factories from putting waste into the river.,water pollution,litter,v,.,乱扔,n,.,垃圾,rubbish/waste/garbage,垃圾，废弃物,We should,throw,litter,into,the bins and,keep,public places,clean and beautiful.,waste pollution,noise pollution,There are more,cars on the road.,We should,ride our bikes,or walk to school,instead of,driving to school or work,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/cars,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,Listen and answer the questions.,1.What does Tony want to do later this afternoon?,He wants to go swimming later this afternoon.,2.Why doesnt Mark want to go with Tony?,Because he was there last weekend and the river was really dirty.,3.How was the river in the past?,It used to be so clean.,1b,Listen again 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,close down,clean up,government,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!,Make conversations using the pollution in 1a.,A:The river has always been the nicest river in this town.,B:Yes,it used to be so clean.,A:But I was there last weekend and the river was really dirty.,B:,What caused the problem?,A:People are,throwing litter into,the river.,/Factories are also putting waste into the river.,B:Yes,everyone in this town should,play a part in,cleaning it up,.,A:,What should we do,?,B:We should write to the government and ask them to,close down,the factories.,A:,What else can we do,?,B:Everyone should help to clean up the river.,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,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.,4.You should _ some time,practising,your pronunciation.,5.My brother _6,000,yuan,for the new computer yesterday.,cost,spent,takes,spend,paid,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,What should we do to save the earth?,Turn off,the lights when you leave a room.,关掉,take the bus to work instead of driving,stop using paper towels or,napkins,（餐巾，餐巾纸）,recycle,books and paper,回收利用,Listen and answer the questions.,1.Who is the interviewer talking to?,2.What are they talking about?,3.What other problems do they see?,Susan and Jason.,The environmental problems.,Theres too much rubbish and waste in the streets.,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 sh
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