新仁爱版九年级英语上册Unit-2-(Topic-2-Section-B)公开课ppt课件.ppt

,Topic 2 All these problems are very serious.,Section B,Unit 2 Saving the Earth,Welcome to Class 71,Xingyuan Middle School!,Teaching aims:(教学目标）1.Learn the usages of indefinite pronouns.学习不定代词的用法。2.Know something about air pollution further.探究空气污染。3.Help students summarize what should/shouldnt do as students and enhance students awareness of protecting the environment.讨论学生应该、不应该做什么来提高环境保护意识,Air pollution,What can you see in the pictures?,Task 1:Talk about the pictures.看图并讨论,Task 2:Talk in pairs after the example.两人一组编对话,Example:,A:Do you know air pollution is a serious problem?B:Yes,I do./No,I dont.A:What causes air pollution?B:The factories produces waste gas./.A:What are the effects of air pollution?B:It is hard for people to breathe./A:What should/shouldnt we do to protect the environment?B:As students,we should/shouldnt.,factory,car,smoke and dust,fire,1.()The article is about the noise pollution in China.2.()China has become the second largest producer and user of coal in the world.3.()The government is doing something useful to protect the environment.4.()None of us likes pollution.5.()Everyone should care for wild animals and plant fewer trees.,F,F,T,T,air,Task 3:Listen and mark T or F.听对话，判断正误,F,more,largest,Task 4:Read 1a in groups and act it out.共同体内分角色朗读课文并表演,1.What are Kangkang and Michael talking about?2.Why is air pollution a serious problem in China?3.Is the government doing something useful to protect the environment?4.What should we do to protect the environment?5.Do you think it is important for us to care for wild animals and plant more trees?,Because China has become the worlds largest producer and user of coal.,Yes,it is.,They are talking about air pollution in China.,Yes,I think so.,We should care for wild animals and plant more trees.,Task 5:Answer the questions.回答问题,1.有关中国的空气污染问题2.世界上最大的煤炭生产国和消费国3.采取有效措施 4.为了保护环境 5.我们当中没有人 6.到处丢垃圾 7.在公共场合随地吐痰8.践踏草坪或采摘花朵9.保护野生动物 10.尽我们所能,about air pollution in China,do something useful,none of us,spit anywhere in public,care for wild animals,do everything we can,the worlds largest producer and user of coal,to protect environment,walk on grass or pick flowers,leave rubbish here and there,Task 6:Find out the phrases.找短语,Task 7:Retell the conversation.复述对话,Kangkang is reading an article about _ pollution in China.It says that China has become the worlds _ producers and _ of coal.As a result,air pollution has become a serious problem.But the government is doing _ _to protect the environment.We should do _ we can to protect the environment.We _ leave rubbish here and there.Dont _ anywhere in public.Dont walk on grass or _ flowers.Everyone should _ _ wild animals and plant more trees.,air,largest,user,something,useful,everything,shouldnt,spit,pick,care,for,Task 8:Make a report.做报告,There are many kinds of pollution around us.Such as air pollution,soil pollution,water pollution,light pollution,noise pollution and litter.Please choose one kind of pollution to discuss the following questions in groups and then make a report.Question:1.What causes the pollution?2.What are the bad effects of pollution?3.What can you do to protect the environment?,Example:,We think air pollution is a serious problem in Hengshan.Burning gas,oil and coal creats air pollution.The chemical factories and cars also produces terrible gas.It does harm to peoples health.It causes sore eyes and cancer.We should.,We learn:,Some words:2.Some phrases:3.Some sentences:,We can:,Task 9 Summary,1.Use the indefinite pronouns correctly.2.Use the proper ways to protect the environment.,None of us likes pollution.Dont spit anywhere in public.Everyone should care for wild animals and plant more trees.We should do everything we can to protect the environment.,do something useful,none of us,spit everywhere in public,walk on grass or pick flowers,throw here and there,none,rubbish,wild,nobody,Task 10 Quiz,单项选择()1.Mr.Chen came in and said he had _ to tell class.A.anything important B.important something C.something important()2.We should do our best _ the environment.A.protect B.to protect C.to protecting()3.All the students have gone on a field.There is _ in the classroom.A.nobody B.somebody C.anybody()4._ the girls has been to college.A.Two of B.All of C.None of()5.Is there _ in todays newspaper?No,theres _.A.anything special;nothing unusual B.something special;nothing unusual C.special anything;unusual nothing,二用something,anything,everything,nothing,somebody,anybody,nobody,everybody选词填空。1.There is _ in the room.It is empty.2.Could you give me _ to drink?Sure.Here you are.3.Listen!_ is knocking at the door.4.Kangkang,is _ here today?No,Jim isnt here.He is ill.5.Jim,can you see the words on the blackboard?Sorry,I cant see _.,nobody,something,Somebody,everybody,anything,1.Read 1a.2.Memorize the useful expressions and key sentences which we learn today.3.Finish exercise in your workbook.4.Preview Section C.,Task 11 Homework,