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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,litter and rubbish here and there,Unit 2 Saving the Earth,Topic 1 Pollution has caused too many problems.,Section A,1c Read 1a and complete the sentences in the table.Then retell 1a to your partner.,Two years ago,Now,1.It was a _.,2.There were,_.,3.The air was _ and you could see _.,1._,have gone.,2.The water is _and smells _.,e several _3.There ar_ pouring _ into the stream.,4._has changed.,beautiful place,lots of flowers and grass,fresh and the water was clean,bees and butterflies dancing,The flowers and grass,so dirty,terrible,chemical factories,waste water,Everything,A:Where have you been/traveled?,B:I have been/traveled to.,Have you ever had a picnic?,Kangkang,Jane,Maria and Michael are planning a picnic for Sunday.,They will go to,the West Hill,.,What can you see,there,?,We can,see,bee,s and butterflies,dancing,.,bee,butterfly,Is the West Hill beautiful?,Guess,a place with,beautiful flowers,Brainstorm,many hills,green trees,What a shame/mess!,The flowers and grass have gone!,The flowers and grass,have,gone,!,Oh,my goodness.What a mess!,Look!There are several chemical factories,pour,ing waste water,into,the stream.,=have,disappeared,.,Is it beautiful now?,What has happened there?,P27 1a mp3,waste water,waste paper,Waste water.浪费水。,Dont waste paper.不要浪费纸。,waste,adj.,v.,There are,several chemical,factories pour,ing,waste water,into the stream.,有几家化工厂正在往小溪里排放废水。,There bedoing sth,有在做某事,e.g.,There are,some people wait,ing,for the bus at the bus stop.,倒出；倾泻,pour into 把倒入,e.g.Pour red wine into the glass.,1b Listen to 1a and mark the words with P(Past)or N(Now).,_ beautiful _ butterflies _ dirty,_ grass _ terrible _ factory,_ bees _ fresh _ clean,_waste water,P,P,N,P,N,N,P,P,P,N,1a Listen,look and say.,2 Work in pairs.Look at the pictures and make up conversations similar to the example with your partner.,Example:,A:,There were lots of,flowers and grass,when I visited the,village,last year.,B:,But now the,flowers and grass,have,gone.,A:,What has happened here?,B:,The,villagers,have,destroyed,them.,lake/fish,factory/,pollute,hill/trees,farmers/cut down,village/flowers and grass,villagers/destroy,4 Work in groups and talk about pollution in a place you are familiar with.The following sentences may help you.,ago,it was Now,have/has gone.What has happened?Everything has changed.Oh,my goodness!,3 A.Listen to the sentences and number the pictures.,5,3,2,1,4,6,1.People _ _ _ too many trees,so,I dont have enough leaves to eat.,2.I live in trees but now many trees _ _.,3.I like leaves and grass,but now they _,_.,4.I _ _ hungry for months because of,less bamboo.,5.Human polluted the sea,so I _ _ _.,6.The water _ _ many years ago.But it,_ _ _ for me to live in now.,B.Listen again and complete the sentences.,have cut down,have gone,have,disappeared,have been,dont live happily,was clean,is too dirty,Exercises,单项选择,()1.Look!There are some boys _ on the playground.,A.play football B.are playing football,C.playing football D.plays football,()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,()3.Dont _ water.We must save every drop of it.,Sorry,I wont do it again.,A.waste B.throw,C.play D.leave,C,D,A,Exercises,用所给动词的适当形式填空。,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).,3.Everything _(change)in the past few years.,4.Pandas dont have enough bamboos _(eat)now,because of the pollution.,5.Where have they been?,They _(be)to the Great Wall.They _,(have)a good time there the day before yesterday.,reading,have gone,has changed,to eat,have been,had,summary,We learn:,1.Express exclamation,:,What a mess!What a shame!Oh,my goodness!,2,.,Know the differences between Simple Past,and Present perfect.,It was a beautiful place.,Everything has changed.,We can:,1.Some words,:,bee,butterfly,mess,shame,several,pour,waste,destroy,pollute,goodness,2,.,Some phrases,:,see sb.doing sth.pourinto.,3,.,Some sentences,:,There aredoing,Homework,1.Read,1a,.,2.Write a passage according to Part 4.,3.Finish,Section A,in your workbook.,4.Preview,Section B,.,Thank,you,
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