Unit1Ifeveryonestartstodosomething,theworldwillbesaved.

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,A:What outdoor activities do people like to do in autumn?,Would you like to have a picnic at,or,What a,mess,!,真是一团糟,have gone,The,villager,s have,destroy,ed them.,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/,villager,s/,destroy,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,bees and butterflies,dancing,.,bee,butterfly,Is the West Hill beautiful?,Guess,see sb./sth.,doing,sth.,看见某人某物,在做,某事,see sb./sth,do,sth.,看见某人某物,做,某事,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,What a shame(,多可惜）,!,The flowers and grass have gone!,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,(,在某地）有,在做某事,e.g.,There are,some people wait,ing,for the bus at the bus stop.,waste,water,waste,paper,Waste,water.,浪费水。,Dont,waste,paper.,不要浪费纸。,waste,adj.,v.,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.,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 _.,3.There are several _ 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,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.,A.waste B.throw C.play D.leave,()4.When I enter the room,I saw Maria _ a book.,A.reading B.to read C.reads D.read,()5.Oh,my goodenss!The folwers and trees in the park _.,A.go B.goes C.have gone D.went,C,D,A,A,C,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,.,Now,its time for us to,relax,!,Thank you,and,Goodbye!,