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1、Did the world use to be a green world?Yes.It used to be a green world.Watch a video and think:But now,how is the world?But now,Our earth is seriously polluted.Why is our world like this now?too much pollution We want a green world!too much wastetoo much noiseUnit 8A green world -To be friendly to ou
2、r environmentTo have a green world,Which one do you think is“green”?Save waterHow to live a green life?We can save water bytaking shorter showers.How can we save water?We can save waterby turning off the tap.*by doing sth 通过做某事Which one do you think is“green”?Save energy We can save energy by_ the l
3、ights when we leave a room.turning offHow can we save energy?节约能源节约能源What can we do to change that?We can reduce air pollution by riding bicycles.vt.&vi.减少，降低减少，降低Its wise for people to choose public transport.adj.明智的，充满智慧的明智的，充满智慧的reduce vt.&vi.减少，降低We can protect the environment by using the waste
4、 again.recycling.recycle vt.回收利用 A Match the pictures about the ways to live a green life with the correct sentences.Aby:此处用以表示方式此处用以表示方式by+doing sth.靠、用、通过靠、用、通过方式方式bybyWe can save energyreduce air pollutionbybyWe can _ by _.We can ride bicycles to _.We can take shorter showers to _.We can turn off
5、 the lights to _.We can recycle waste to _.reduce air pollutionsave watersave energyprotect the environmentreduce air pollution save energyWhat else can we do to live a green life?PART B listen and answer and answer What are they talking about?They are talking about how to live a green life1.How did
6、 Kitty go to school in the past?2.How does Kitty go to school now?3.What does Daniel think we should do to live a green life?Her father used to drive her to school.She takes the underground now.He thinks we can take shorter showers to save water.Read and answer used to but nowpaper cupsmy own glassI
7、ts wise/necessary/for sb.to do sth.used to but nowIts wise/meaningful for sb.to do sth.my own bagused to but nowIts wise/important/for sb.to do sth.plastic bags/plstik/A:What should we do to live a green life?B:I used to,but now I A:I agree.Its wise/meaningful/important for people to do B:I think we
8、 can by doing sth.A:Yes.And we shouldWork in pairs and talk about the ways to live a green life.I used to But now,I What is Hobo going to do?Plant trees.dig/dig/挖挖dig-dug-dug-diggingbreadfruit/bredfrut/面包果面包果1.What is Hobo going to do?2.Will more trees be planted this year?Why?3.What does Eddie like
9、 doing?4.What will Eddie plant?He is going to plant trees.Yes.Because trees are good for us.He likes digging in the garden.He will plant breadfruit trees.Role-playWhat are you going to do,Hobo?Plant trees.Will more trees be planted this year?Yes.Trees are good for us.OK.Ill go with you.I like diggin
10、g in the garden.Are you serious?Sure.Ill plant breadfruit trees.Breadfruit Yummy!Fill in the blanks Spring is coming.One day,Eddie sees Hobo_a spade in his hand.He asks Hobo what he is going to do.Hobo says he is going to plant_.Eddie ask if more trees will be_this year.Hobo says yes because trees a
11、re _for everybody.Eddie wants to go with Hobo.He says he likes_ in the garden.Oh,is he_?Everyone knows Eddie_ to hate working.Has Eddie_?Of course not.What he really wants is planting breadfruit trees so that he can eat lots of breadfruit.Eddie really enjoys_.holdingtreesplantedgooddiggingserioususe
12、dchangedeatingA proposal(建建议书)on how to live a green lifeDear all,Today,our world is developing fast.At the same time,our environment is becoming worse.So we should do something to protect the environment.We can take the following actions:_ _ Follow these small steps,and we can make a big difference
13、 to the earth and live a green life.Name:_ Useful expressions:It is time for us to We can save water by doingis a good way to It is wise for us toWe can do to protect the environment Work in pairs Lets make a green world!1.Read the text fluently.2.Search for more ways to protect the environment.3.Preview Reading part.Homework