新仁爱版九年级英语上册Unit-2-Topic-3-Section-A-优质课ppt课件.ppt
Unit 2 Saving the EarthTopic3 What can we do at home to protect the environment?,Section A,Do you know how these kinds of pollution affect our environment?,What should we do to improve our environment?,What do they mean?,Are you a greener person?,Which day is the World Environment Day?,Can you sort the garbage?,What can we do at home to protect the environment?,We should reduce the waste we produce.For example,we should use both sides of paper and reuse plastic bags.,Listen to 1a again and answer the questions.,(1)Who is working for an organization that protects the environment?Jane.(2)Whats her main job?Her main job is to help spread the message about protecting the environment.(3)Should we use both sides of paper?Yes,we should.(4)Why is the recycling useful?It can protect the environment,and it can save money,too.,1a Listen,look and say.,1b Listen to 1a and complete the table.,organization,protect the environment,spread the message,reduce the waste,waste paper,Key words,1.work for an organization 2.help spread the message 3.the three Rs-reduce,reuse and recycle 4.reduce the waste 5.reuse plastic bags 6.recycle7.encourage sb.to do sth.8.sort,Retell it,1c Read 1a and complete the sentences.,The three Rs-_,_ and _-are important.At home,we can,for example,use both _ of paper and reuse _ bags.At school,students are encouraged to _ waste paper and _ because recycling can protect the _ and _ money.Then we _ them _ they can be recycled.,reduce,reuse,recycle,sides,plastic,collect,soft drink cans,environment,save,sort,so that,(1)We should use plastic bags as few as possible.(2)We should throw the garbage in the river.(3)We should reduce the waste we produce.(4)We should use both sides of paper.(5)We should throw the plastic bags rather than reuse them.,You can nod or shake the head!Nodding the head means agreement.Shaking the head means disagreement.,v.点头,n.同意,(1)You nod your head and it means agreement.(2)Hurry up,or youll miss the train.(3)Water is important but some people dont save it.(4)Some people protect animals while others kill animals.,Discuss the words underlined,并 列 句,连词 or,and,but 和 while的用法,表示并列关系，用and表转折，用but,while表选择，用or,2 Combine the sentences with or,and,but or while,making some changes if necessary.,1.Noise is a kind of pollution.Its harmful to our hearing.Noise is a kind of pollution and its harmful to our hearing.2.Work hard.You will fail the exam.Work hard,or you will fail the exam.3.Nodding the head means agreement.Shaking the head means disagreement.Nodding the head means agreement while/but shaking the head means disagreement.4.Hurry up.You will miss the bus.Hurry up,or you will miss the bus.5.He has failed several times.He never gives up.He has failed several times,but he never gives up.,放弃,3a Read the table and write the correct letter under each picture.Then sort the garbage based on your own knowledge.,paper cups,glass bottles,cans,plastic bags,newspapers,3a Read the table and write the correct letter under each picture.Then sort the garbage based on your own knowledge.,3b Listen to the conversation and check your answers in 3a.,Wow!Weve got so much garbage!Soft drink cans,lunch boxes,plastic bottles,batteries,waste paper,paper bags and cups,4 Suppose you will have a Clean-up Day.Work in groups and find out the garbage.Then sort them based on 3a and talk about them.,A:I think lunch boxes should be reused.B:What about waste paper?A:I think,We learn:1.Some words:nod,agreement 2.Some phrases：give up 3.Some sentences:(1)We should reduce the waste we produce.(2)Recycling can protect the environment,and it can save money,too.We can:1.Use the compound sentences with or,and,but and while.2.Talk about environmental protection.,Summary,Read 1a.Memorize the useful expressions and key sentences which we learn today.Finish Section A in your workbook.Preview Section B.,Assignment,
