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1、Section A(1a-2d)Unit 13 Were trying to save the earth!Learning goals1.Words:litter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,bin4.Sentences:Even the bottom of the river was full of rubbish.The air has become really polluted around here.The river used to be so clean.3.Function
2、s:Talk about pollution and environmental protection.2.Expressions:cut down,instead of,play a part in,make a difference,lead to Warming upWhy does the earth get sick?noise pollutionWarming upWhy does the earth get sick?air pollutionWarming upWhy does the earth get sick?water pollutionWarming upWhat s
3、hould we do to protect the earth?What can you see in the pictures in 1a?12341a Here are some words related to different kinds of pollution.Write them in the box below.Then add more words.loud music cars rubbish planes littering ships factories smoking building houses mobile phonesnoise pollution_air
4、 pollution_water pollution_loud musicplanesbuilding housesmobile phones(machines,crowds)carsfactoriessmokingbuilding houses(burning,power plants)rubbishlitteringshipsfactories(sewage,pesticides)Read and try to predict the answers.What was the problem?The river was _.Even the bottom of the river was
5、full of _.There were no more _for fishermen to catch.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.1b Listen and complete
6、 the sentences.What was the problem?The river was _.Even the bottom of the river was full of _.There were no more _for fishermen to catch.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
7、ask them to _ the factories.Everyone should help to _the river.really dirty rubbish fish litter waste government close down clean upListen again and answer the questions.He wants to go swimming in the river.Because the river was really dirty.Even the bottom of the river was full of rubbish,and there
8、 were no more fish for fishermen to catch.It used to be so clean.2.Why doesnt Mark want to go with Tony?1.What does Tony want to do later this afternoon?3.How was the river in the past?Listen and read.Tony:Hey,Mark,maybe we could go swimming in the river later this afternoon.Mark:I dont think I want
9、 to go,Tony.Tony:Why not?Mark:I was there last weekend and the river was really dirty.Even the bottom of the river was full of rubbish,and there were no more fish for fishermen to catch.Tony:No way!It used to be so clean.In fact,it has always been the nicest river in this town.Listen and read.Mark:N
10、ot anymore.I think people are throwing litter into the river.Factories are also putting waste into the river.Tony:Thats terrible!We should write to the government.They should close down the factories.Mark:Good idea!But I think everyone in this town should help to clean up the river,too.Everyone shou
11、ld play a part,not just the government.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 throwing litter into the river.Tony:Everyone in this town should play a part in cleaning it up!1c Role-play the conversation.Then m
12、ake your own conversations about the kinds of pollution in 1a.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.Factori
13、es 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 is turning beautiful parks into ugly ones.Read and try to predict the answers.2b Listen again and complete the sentences.1.
14、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 is turning beautiful parks into ugly ones.mor
15、e cars pollute are throwing away public placesListen and read.Interviewer:Today were talking to Jason and Susan about environmental problems.Jason and Susan,can you tell us about some of the problems youve seen?Jason:I think one problem is that the air is badly polluted.I hardly ever see blue skies
16、anymore.Susan:Yes,and I used to see the stars clearly.Listen and read.Interviewer:What do you think has caused this problem?Susan:Well,there are more cars on the road these days.Jason:And factories that burn coal also pollute the air with a lot of black smoke.Interviewer:What other problems do you s
17、ee?Susan:I guess theres too much rubbish and waste in the streets.Listen and read.Jason:Yes!Every day people are throwing away things like wooden chopsticks,plastic bowls and plastic bags.Susan:Theyre also littering in public places,for example,during picnics in parks.This is turning beautiful place
18、s into ugly ones.Interviewer:Youre right.These are serious problems for our environment.Next,lets talk about the things we can do to help.2c Use the information in 2a and 2b to role-play conversations between Jason and Susan.The air has become really polluted around here.Im getting very worried.Yes,
19、I used to be able to see stars in the sky.The problem is that.We should walk,ride the bike,take the bus or subway instead of driving.What are your ideas for solving the problem of air pollution?We should plant more trees.What are your ideas for solving the problem of air pollution?Use your own chops
20、ticks when you buy takeaway food.What are your ideas for solving the problem of waste pollution?We should bring a bag when we go shopping.We shouldnt use plastic bags and throw them everywhere.What are your ideas for solving the problem of waste pollution?We should throw rubbish in the（right）bins.Wh
21、at are your ideas for solving the problem of waste pollution?Read the conversation in 2d and fill in the chart.Pollution Ways to solve the problemAir pollutionWaste pollutionRide a bike,take the bus or subway instead ofdriving.Bring a bag to go shopping.Dont take wooden chopsticks or plastic forks w
22、hen you buy takeaway food.Throw rubbish in the bins.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.There are other advantages of bike riding.Its good for hea
23、lth and it doesnt cost anything!Interviewer:Great ideas!What about waste pollution?2d Role-play the conversation.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 ta
24、keaway 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 a difference and lead to a better future!2d Role-play the conversation.Language pointstry 的用法try to do sth.意为“尽力做某事”
25、。We are trying to save the earth.和try搭配的词组:try doing sth.意为“试着做某事”。try on意为“试穿”。try out意为“尝试,试验”。try ones best to do sth.意为“竭尽全力做某事”。相当于do ones best to do sth.have a try意为“试一试”。Language pointsadvantage n.优点；有利条件There are other advantages of bike riding.advantage的反义词是disadvantage,意为“缺点，不利条件”。【搭配】have
26、 the advantage of具有有利条件；to ones advantage对某人有利Language points【活学活用】（1）我具有受过良好教育的有利条件。I _ good education.(2)对她有利的：她的声音非常甜美。_,her voice is very sweet.have to advantage ofTo her advantageLanguage pointscost v.花费 n.花费；价钱Its good for health and it doesnt cost anything!It took me an hour to finish my home
27、work yesterday.I spend ten dollars buying the dictionary.He paid five dollars for the meal.cost的过去式和过去分词均为cost,其主语常是物。Language points【辨析】spend,pay与take（1）spend意 为“花 费”，主 语 常 是“人”。常 用 于 spendon sth./spend(in)doing sth.结构中。（2）pay意为“花费”，主语常是“人”。常用搭配为pay for，意为“付费；付出代价”。（3）take表示“花费”时的常用句型：It takes sb.s
28、ome time/money to do sth.Language points【活学活用】How much is your coat?Oh,it _ me 100 yuan.A.cost B.spend C.paid D.tookALanguage pointsused toused to意为“过去经常、以前常常”，后跟动词原形，表示过去存在某种状态或者过去的某种经常性、习惯性的行为或者动作，并意味着这种动作目前已经不存在，所以它只能用一般过去时。肯定形式：主语+used to+动词原形。否定形式：主语+didnt+use to+动词原形。一般疑问句形式：Did+主语+use to+动词原形
29、+其他？Language points【拓展】be used to do something意为“被用来做某事”，是动词短语use.to do的被动语态结构。be used to doing something意为“习惯于做某事”，to的后面用动名词，它可以用现在，过去和将来等时态，be可以用get，become连系动词代替。Language pointsTo cut down air pollution,we should take the bus or subway instead of driving.为了减少空气污染，我们应当乘坐公汽或地铁而不是开车。本句中To cut down ai
30、r pollution是动词不定式作目的状语。动词不定式做目的状语时的用法:(1)不定式和不定式短语作目的状语，主要用来修饰动词，表示某一动作或状态的目的。为了使目的意义更加清楚或表示强调意义时，还可以在前面加 in order to或 so as to。Ive written it down in order not to forget.He shouted and waved so as to be noticed.Language points动词不定式做目的状语时的用法:(2)不定式的复合结构作目的状语:当不定式或不定式短语有自己的执行者时，要用不定式的复合结构(即在不定式或不定式短语
31、之前加 for+名词或宾格代词)作状语。He opened the door for the children to come in.Language points动词不定式做目的状语时的用法:(3)目的状语从句与不定式的转换:英语中的目的状语从句，还可以变为不定式或不定式短语作状语，可分为两种情况：当目的状语从句中的主语与主句中的主语相同时，可以直接简化为不定式或不定式短语作状语。Well start early in order that/so that we may arrive in time.=Well start early in order to/so as to arrive
32、in time.当目的状语从句中的主语与主句中的主语不相同时，要用动词不定式的复合结构作状语。I came early in order that you might read my report before the meeting.=I came early(in order)for you to read my report before the meeting.litteruglyfishermanbottomcoaladvantagecostwoodenbintakeawayplasticcut downinstead ofplay a part inlead toSummaryWo
33、rds&expressionsSentenceslitter,bottom,fisherman,coal,ugly,advantage,cost,wooden,plastic,takeaway,bin,cut down,instead of,play a part in,make a difference,lead toEven the bottom of the river was full of rubbish.The air has become really polluted around here.The river used to be so clean.What are your
34、 ideas for solving these problems?We should take the bus or subway instead of driving.So together,our actions can make a difference and lead to a better future!Talk about pollution and environmental protection.FunctionsExercises根据句意及首字母或汉语提示完成句子根据句意及首字母或汉语提示完成句子1.If no one l ,the park will be very c
35、lean.2.C is burnt to heat peoples houses.3.There is a _(木制的)bench.4.There are too many _(优点)of using shopping bags instead of plastic ones.5.A truly _(丑陋的)person is not one who has a bad-looking face.ittersoalwoodenadvantagesuglyExercises单项选择单项选择1.Do you know the price of the ticket?Yes.Each _$180.A
36、.pays B.costs C.takes D.spends2.We should thank her.She played an important part _ our project.Im afraid we cant succeed without her.A.on B.in C.for D.withBBExercises单项选择单项选择3.In order to protect the earth,we shouldnt _ too many trees.A.cut down B.cut up C.cut in D.cut out4.The smartphone makes a bi
37、g _ to our life.A.difference B.decision C.progress D.predictionAAExercises从方框中选择合适的句子补全对话(其中有两项为多余选项)。A:Where have you been,Mike?I phoned you,but you werent in.B:_A:Why did you go there?B:_ It has made several old people who live nearby sick.A:_B:Do you think“Greener China”can do something?A:_ I thi
38、nk we should write a letter to the newspaper about the pollution.B:_ Its our duty to protect the environment.CDEGBA.Ive been to a farm.B.Good idea!C.Ive been to a rubber factory.D.Because I found the factory pouring waste water into the river.E.Thats terrible.F.It doesnt matter.G.Yes,of course.Homework1.Write a short passage to summarize the problems we have learnt today and the suggested solutions.2.Preview the new words and phrases on Page 99.