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,*,*,Unit 2 Saving the Earth,Topic 1,Pollution has caused too many problems.,Section A,课件,2,Please talk about the following questions.,What kind of pollution can you find around us?,What problems does the pollution cause?,Lets learn,Pollution really causes,too many,problems.,too many+,可数名词复数,too much+,不可数名词,much too+,adj,./,adv,.,We must protect our earth now.,a.air pollution,b.,soil,pollution,c.water pollution,d.light pollution,e.noise pollution,f.litter,Work alone,1,2,3,4,5,6,Do you know this place?,Its Lop Nur(,罗布泊,).,It,used to be,a beautiful place with,过去是,3b Complete the following sentences with the word and phrases in 3a,.,1.People use chemicals too much in their fields,so_ causes unhealthy food.,2.People pour waste water into rivers and lakes,so_ is almost everywhere in China.,3._makes people sick.It causes,breath,ing problems and even cancer.,4.In some cities theres too much _ caused by many cars.The government has done something useful to stop it.,5._is,harmful,to eyes.,6._,influence,s our environment,so people shouldnt throw it around.,3b Complete the following sentences with the word and phrases in 3a.,1.People use chemicals too much in their fields,so_ causes unhealthy food.,2.People pour waste water into rivers and lakes,so_ is almost everywhere in China.,3._makes people sick.It causes breathing problems and even cancer.,4.In some cities theres too much _ caused by many cars.The government has done something useful to stop it.,5._is harmful to eyes.,6._influences our environment,so people shouldnt throw it around.,soil pollution,water pollution,Air pollution,noise pollution,Light pollution,Litter,Smoking isnt cool,it is harmful.,It,is harmful to,our health.,Air pollution may cause,breathing,problems,.,Talk about the following pictures with your partner,.,We shouldnt litter about.,It,influence,s the look of our city.,2.Work alone,It is generally believed that pollution,does great harm to,animals.Listen and number the pictures.,6,4,3,2,1,5,（录音）,Would you like to have a picnic in such places?,What can you see in the picture?,Can you see,bee,s and butterflies dancing?,Is the West Hill a beautiful place now?,What has happened here?,The flowers and grass,have gone,!,There are,several chemical,factories,pouring,waste,water into the,stream,.,Is the West Hill a beautiful place now?,There are,several chemical,factories pouring,waste,water into the,stream,.,several=a few,There be+sth./sb.+doing sth.,There are many students,reading,books in the classroom.,Listen to Part 1a,answer the questions.,What did Kangkang say about,the West Hill in the past?,Kangkang,said,that it,was,a beautiful,place with flowers and grass.,What did Kangkang say about,the West Hill at present?,Kangkang,said,that the flowers,and grass,had,gone.,Kangkang:,Its a beautiful place with lots of flowers and grass.,Kangkang:The flowers and grass have gone!,1b,Work alone,In the past,At present,Reason,Kangkang,said,that,it,was,a beautiful,place with lots of,flowers and grass.,.,Kangkang,said,that the flowers,and grass,had,gone,.,.,Maria,said,.,In the past,At present,Reason,Kangkang,said,that,it,was,a beautiful,place with lots of,flowers and grass.,Kangkang,said,that the air,was,fresh and the water,was,clean,and that they,would,see bees and butterflies dancing.,Kangkang,said,that the flowers,and grass,had,gone,.,Kangkang,said,that the water,was,so dirty.,Kang,said,that it,smelled,terrible.,Maria,said,that there,were,several chemical factories pouring waste water into the stream.,根据句意及首字母完成下列各句。,1.I have b_ to the West Hill before.,2.All the flowers,grass and fish have g_.,3.There are s_ chemical factories pouring waste water into the river.,4.We call a small narrow river a s_.,5.Using chemicals too much in the fields may cause s_ pollution.,een,one,everal,tream,oil,Exercises,1.Look!There are some boys _ on the playground.,A.play football,B.are playing football,C.playing football,D.plays football,C,单项选择,2.Im sorry I cant go shopping with you.I am ill.,_,A.What a mess!,B.What a shame!,C.What a pity!,D.B and C,D,3.Dont _ water.We must save every drop of it.,Sorry,I wont do it again.,A.waste,B.throw,C.play,D.leave,A,1.When I entered the room,I saw Maria _(read)a Chinese book.,2.What a shame!The flowers and trees in the park _(go).,reading,have gone,用所给动词的适当形式填空。,3.Everything _(change)in the past few years.,4.Pandas dont have enough bamboos _(eat)now because of the pollution.,has changed,to eat,5.Where have they been?,They _(be)to the Great Wall.They _(have)a good time there the day before yesterday.,have been,had,Homework,1.Read,1a,.,2.Write a passage according to Part 4.,3.Finish,Section A,in your workbook.,4.Preview,Section B,.,See you！,