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1、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 ga
2、rbage?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 jo
3、b?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.1b Listen to 1a and complete the table.An interview with Jane where Jane works in a
4、n _ to _what Jane is doing helping _ about protecting the environment what we can do at home _ we produce what students can do at school collect _ and soft drink cans organization protect the environmentspread the message reduce the wastewaste paperKey words 1.work for an organization 2.help spread
5、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.1.The three Rs-_,_ and _-are important.2.At home,we can,for example,use both _ of paper and reuse _ bags.3.At school,st
6、udents are encouraged to _ waste paper and _ because recycling can protect the _ and _ money.4.Then we _ them _ they can be recycled.reducereuserecyclesidesplasticcollectsoft drink cansenvironmentsavesortso that(1)We should use plastic bags as few as possible.(2)We should throw the garbage in the ri
7、ver.(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.点头点头n.同意同意(1)You nod your head and it means agreement.(2)H
8、urry 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.并并 列列 句句连词连词 or,and,but 和和 while的用法的用法表示并列关系，用表示并列关系，用and表表转转折，用折，用but,while表表选择选择，用，用or2 Combine the sentences with or,and,but or while,making some changes if
9、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 agreeme
10、nt 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.放弃放弃3a Read the table and write the correct letter under each picture.Then sort the ga
11、rbage based on your own knowledge.paper cupsglass bottlescansplastic bagsnewspapers3a Read the table and write the correct letter under each picture.Then sort the garbage based on your own knowledge.Type of garbageRecycled Reused Reduced plastic bagspaper cups cans newspapers glass bottles 3b Listen
12、 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
13、 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.Read 1a.Memorize the useful expressions and key sentences which we learn today.Finish Section A in your workbook.Preview Section B.