大学体验英语综合教程第三版unit 1 caring for our earth.ppt
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1、Passage APassage BReturn to MenuReturn to MenuUnit 1Unit 1Passage AThink About ItRead About ItTalk About ItWrite About It1.What is the message that the tree frog tries to send us?We must take the responsibility for the planet to stay livable before it is too late.Reference:2.What has happened to fro
2、gs?The frog was endangered by the worsening environment.Reference:3.How are we and frogs related?Man and animals are related as we live in the same environment.Reference:Read About ItLanguage PointsContent AwarenessLanguage FocusFrog StoryA couple of odd things have happened lately.I have a log cabi
3、n in those woods of Northern Wisconsin.I built it by hand and also added a greenhouse to the front of it.It is a joy to live in.In fact,I work out of my home doing audio production and environmental work.As a tool of that trade I have a computer and a studio.I also have a tree frog that has taken up
4、 residence in my studio.How odd,I thought,last November when I first noticed him sitting atop my sound-board over my computer.I figured that he(and I say he,though I really dont have a clue if she is a he or vice versa)would be more comfortable in the greenhouse.So I put him in the greenhouse.Back h
5、e came.And stayed.After a while I got quite used to the fact that as I would check my morning email and on-line news,he would be there with me surveying the world.Then,Then,last last week,week,as as he he was was climbing climbing around around looking looking like like a a small small gray/green gr
6、ay/green human,human,I I started started to to wonder wonder about about him.him.So,So,there there I I was,was,working working in in my my studio studio and and my my computer was computer was humminghumming along.I had to stop when along.I had to stop when Tree Frog went across my view.He stopped a
7、nd turned around and just sat there looking at me.Well,I sat back and looked at him.For five months now he had been riding there with me and I was suddenly overtaken by an urge to know why he was there and not in the greenhouse,where I figured hed live a happier frog life.“Why are you here,”I found
8、myself asking him.As I looked at him,dead on,his eyes looked directly at me and I heard a tone.The tone seemed to hit me right in the center of my mind.It sounded very nearly like the same one as my computer.In that tone I could hear him“say”to me,“Because I want you to understand”.Yo.That was weird
9、.“Understand what?”my mind jumped in.Then,after a moment of feeling this communication,I felt I understood why he was there.I came to understand that frogs simply want to hear other frogs and to communicate.Possibly the tone of my computer sounded to him like other tree frogs.Interesting.I kept work
10、ing.I was working on a story about global climate change and had just received a fax from a friend.The fax said that the earth was warming at 1.9 degrees each decade.At that rate I knew that the maple trees that I love to tap each spring for syrup would not survive for my children.My beautiful Wisco
11、nsin would become a prairie by the next generation.At that moment Tree Frog leaped across my foot and sat on the floor in front of my computer.He then reached up his hand to his left ear and cupped it there.He sat before the computer and reached up his right hand to his other ear.He turned his head
12、this way and that listening to that tone.Very focused.He then began to turn a very subtle,but brilliant shade of green and leaped full force onto the computer.And then I remembered the story about the frogs that I had heard last year on public radio.It said frogs were dying around the world.It said
13、that because frogs skin was like a lung turned inside out,their skin was being affected by pollution and global climate change.It said that frogs were being found whose skin was like paper.All dried up.It said that frogs were an“indicator species”.That frogs will die first because of the sensitivity
14、.Then,I understood.The frogs have a message for us and it is the same message that some sober folks have had for us.“There are no more choices.”We have reached the time when we must be the adults for the planet,for the sake of the future generations of human and for frogs.Because we are related.Then
15、 I understood that there are no boundaries,that there is no more time.That we,for the sake of our relatives,must act now.And then I understood,not only why the frog was there,but,also why I am here.tree frogtree frogAlso Also known known as as tree tree toad,toad,tree tree frog frog refers refers to
16、 to a a family family of of small small to to medium-sized medium-sized frogs,frogs,found found in in temperate temperate and and tropical tropical areas areas throughout throughout the the world.world.Most Most tree tree frogs have expanded disks onfrogs have expanded disks ontheir their toes toes
17、that that enable enable them them to to cling cling to to surfaces.surfaces.Body Body color color ranges ranges from from brown brown and and gray gray to to green.green.They They eat eat mainly mainly insects.insects.The The gray gray tree tree frog frog is is common common throughout throughout th
18、e the eastern eastern United United States.States.audioaudio adj.adj.related to recording and broadcasting sound related to recording and broadcasting sound ExamplesExamples With With such such an an audioaudio card card in in your your computer,computer,you you can can produce produce your own musi
19、c.your own music.AudioAudio signals will be given when traffic light changes.signals will be given when traffic light changes.atopatop prep.prep.on top of something on top of something ExamplesExamples Under Under the the newspaper,newspaper,atopatop a a sheet sheet of of paper,paper,lay lay an an e
20、nvelope.envelope.There is a seagull There is a seagull atopatop the mast the mast(桅杆)(桅杆).vicevice versaversa used used when when the the opposite opposite of of a a situation situation that that has has been been just described is also true just described is also true ExamplesExamples He doesnt tru
21、st her,and He doesnt trust her,and vice versavice versa.Teachers Teachers qualified qualified to to teach teach in in England England are are not not accepted accepted in in Scotland and Scotland and vice versavice versa.humhum v.v.to make a low,continuous sound to make a low,continuous sound Exampl
22、esExamples The birds sang,and the bees The birds sang,and the bees hummedhummed.Within half an hour of his arrival,the equipment started Within half an hour of his arrival,the equipment started humminghumming again.again.overtakeovertake v.v.to come upon unexpectedly;take by surprise to come upon un
23、expectedly;take by surprise ExamplesExamples Something like panic Something like panic overtookovertook me in a flood.me in a flood.The people all over the world were The people all over the world were overtakenovertaken by the 9-11 by the 9-11 attack in New York.attack in New York.urgeurge n.n.a st
24、rong wish or need a strong wish or need ExamplesExamples When I was young,I often felt an When I was young,I often felt an urgeurge for chocolate.for chocolate.tonetone n.n.the the quality quality of of a a sound,sound,especially especially the the sound sound of of a a musical instrument or someone
25、s voice musical instrument or someones voice ExamplesExamples It It wasnt wasnt so so much much what what she she said said that that annoyed annoyed me me it it was was her her tonetone.He told the story to his parents in pleasant He told the story to his parents in pleasant tonestones.weirdweird a
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