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1、Lesson 58Stop Pollution!Learning aims:1.Master the new words:less,least,environment,throw away,reusable,waste,fix,toilet,take out.2.Understand:leak,leaky,litre,Sink,tap,recycle,save pollute3.Learn to do the things we can do everyday to save our environment.Read through the text Read through the text
2、 again and again,then tell again and again,then tell the statements true or the statements true or falsefalse.1.In North America,many students help their school make more pollution.()2.Environment clubs encourage students to bring their lunches in plastic bags.()3.They give prizes to the classes tha
3、t make the least garbage.()4.On a no-car day,only teachers come to school by car.No students come to school by car.()5.A leaking toilet can waste twenty to forty litres of water an hour.()6.In environment clubs,students dont fix leaky toilets and sinks.()7.A hundred kilograms of recycled paper saves
4、 seventeen trees.()TTFFFFFCompare:bigbiggerbiggestsmallsmallersmallestlittleless least He has a little money.She has less money than he.I have the least money of all.He has twenty yuan.She has two yuan.I have two jiao.a leaking tap You cant use the water that leaks out.throwaway chopsticks Listen re
5、ad and talk:Listen to the tape and the answer the questions below.1.In North America,what do many students help their school do?2.What kind of club do they join?3.What things do the students in North America do?4.What does No-garbage lunch mean?5.What is No-car Day for?6.How much water does a leakin
6、g toilet waste in an hour?Go over the text again to Go over the text again to answer the following answer the following questions.questions.1.In North America,what do many students help their school do?2.What kind of club do they join?Why?3.What does No-garbage lunch mean?In North America,students h
7、elp their schools make less pollution.They join“environment clubs”to work together to make our environment clean.It means,on that day,environment clubs encourage the students bring their lunches in reusable bags or dishes.And the classes that make the least pollution will get a prizes.4.What is No-c
8、ar Day for?5.How much water does a leaking toilet waste in an hour?6.What things do the students in North America doThey bring their lunches in reusable bags and dishes.They try to make the least pollution.They walk to school or ride a bike.No-car Day means on that day,people both students and teach
9、ers come to school on foot or by bike or just run or skip.A leaking toilet can waste twenty to forty litres of water in an hour.Reading aloud:Read the text and try to understand the meaning of the whole text.Pay attention the these phrases:1.Swimming pool 游泳池游泳池2.environment clubs 环保俱乐部环保俱乐部 3.make
10、less pollution 减少污染减少污染 4.make our environment clean 净化我们的环境净化我们的环境5.take out 取走，取出，带走取走，取出，带走6.encourage sb to do sth 鼓励某人做某事鼓励某人做某事Exercises:Write out comparatives and superlative.1.little _ _ 2.Many/much _ _3.funny _ _ 4.full _ _5.clean _ _6.exactly _ _7.gently _ _8.humous _ _lessleastmoremostfun
11、nierfunniestfullerfullestcleanercleanestmore exactlythe most exactlymore gentlythe more gentlyThe most humousmore humousWriting:Writing:Write a proposal(倡议书倡议书)to people,lets protect our environment together,you can begin like this:proposalproposal The environment around us is worse and worse,thats very bad for our health,we love ourselves,so we should also love our environment,so let us protect our environment together.We should do:A_ B_ C_ We shouldnt do:A_ B_ C_ Lets active quickly,make our environment more and more beautiful.Dear my classmates:June 14th,2006Your truly Li Ming