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1、.精选 Electronic Teaching Portfolio Book Four Unit One:Man and Nature Part I Get Started Section A Discussion Sit in groups of threes or fours and discuss the following questions.1.Do you think man lives in harmony with nature now?2.Do you think that man has been destroying nature?Could you give some
2、examples?3.What do you think we should do to preserve nature?Answers for reference:1.A possible answer:No.The present relationship between man and nature is not as harmonious as before.With the population explosion and the development of the economy,serious damage has been done to nature.All this ha
3、s resulted in such problems as global warming,soil erosion,shortage of fresh water,droughts and sandstorms.Human beings no longer live in harmony with nature.2.A possible answer:Yes.For example,man has cut down half of the trees that existed 10,000 years ago.The loss of trees has upset the ecosystem
4、 and resulted in the extinction of many species.Consequently,nature has lost its balance.Another example is that man has been burning too much fossil fuel for daily use and industrial production,which has caused heavy pollution to our environment.3.A possible answer:Firstly,we shouldnt develop our e
5、conomy at the expense of nature.Secondly,we should take as little as possible from nature and put back into it as much as we can.Thirdly,we should form the habit of saving natural resources.We should be aware that natural resources are not inexhaustible.When we reach the point of no return,there wil
6、l be nothing left for future generations.Section B Quotes Study the following quotes about man and nature and discuss in pairs what you can learn from them.精选 Frank Lloyd Wright Study nature,love nature,stay close to nature.It will never fail you.Frank Lloyd Wright Interpretation:As an architect,Wri
7、ght emphasizes the importance of loving and studying nature.We should observe nature,take care of it and live in harmony with it.And then we will never feel disappointed with it.About Frank Lloyd Wright(1867-1959):an American architect and writer.He was the most creative genius of American architect
8、ure.Albert Einstein Look deep into nature,and then you will understand everything better.Albert Einstein Interpretation:As a scientist,Einstein believes that a close study of nature will help us better understand things.About Albert Einstein(1879-1955):US physicist and mathematician,born in Germany,
9、who developed the Theory of Relativity,which completely changed the way that scientists understand space and time.William Hazlitt Look deep into nature,and then you will understand everything better.William Hazlitt Interpretation:As a writer,Hazlitt urges us to love and appreciate nature heart and s
10、oul.精选 About William Hazlitt(1778-1830):a British writer and critic,known for his essays on many subjects,especially literature.His best-known collection of essays is entitled Table Talk(席间闲谈).John Cage The highest purpose is to have no purpose at all.This puts one in accord with nature,in her manne
11、r of operation.John Cage Interpretation:Mans ideal life is to be integrated into nature,so we should respect nature and follow its laws.About John Cage(1912-1992):a US composer and pianist.In 1951,he organized a group of musicians and engineers to make the first music on magnetic tape.Section C Watc
12、hing and Discussion Watch the following video clip“If the world warms by 6 degrees”and do the tasks that follow:插入视频片段：“If the world warms by 6 degrees.wmv”1.Fill in the missing words according to what you hear from the video clip.If the world warms by 6 degrees,from a distance the oceans may appear
13、 bright blue,but they are marine wastelands.Deserts march across continents like conquering armies.Natural disasters become common events.Some of the worlds great cities are flooded and abandoned.If temperatures soar by 6 degrees within less than a century,were going to face nothing less than a glob
14、al wipe out.2.What do you think are other possible consequences of a warmer climate?(Open.)Script：If the world warms by 6 degrees,from a distance the oceans may appear bright blue,but they are marine wastelands.Deserts march across continents like conquering armies.Natural disasters become common ev
15、ents.Some of the worlds great cities are flooded and abandoned.This could be our world plus 6 degrees.精选“Warmings of 6 degrees over longer time periods have been associated with some of the most devastating mass extinctions which have ever taken place,so its certainly fair to assume that if temperat
16、ures soar by 6 degrees within less than a century,then were going to face nothing less than a global wipe out.”6 degrees of warming has been called the Doomsday scenario.Our lives would never be the same again.Part II Listen and Respond Section A Word Bank marine a.of,near,living in,or obtained from
17、 the sea（近）海的；海生（产）的 fishery n.a part of the sea used for the business of catching sea fish 近海渔场 exhaust vt.use up completely 用完，用尽 endanger vt.cause danger to 使遭危害，危及 excessive a.too much;too great;going beyond what is reasonable or right 过多的，过分的，过度的 starvation n.U suffering or death from lack of f
18、ood 挨饿，饥饿；饿死 Section B Task One:Focusing on the Main Ideas Choose the best answer to complete each of the following sentences according to the information contained in the listening passage.1.What is the main idea of the passage?A)The importance of seafood supplies.B)The fish harvest in the North At
19、lantic.C)The decline in fish supplies in the sea.D)The importance of protecting sea resources.2.What did people in Europe and America in the 19th century think about marine resources?A)They thought that marine resources were almost exhausted.B)They thought that marine resources were seriously destro
20、yed.C)They thought that marine resources were unlimited.D)They thought that marine resources were endangered.3.Why are the threats to fish more alarming than the threats to animals and birds?A)Because fish is a much needed food resource.B)Because plenty of fish is killed every year.C)Because fish is
21、 the only diet for many people.D)Because the sea fisheries are going to be exhausted.精选 4.How much fish is harvested in the North Atlantic every year?A)12 billion pounds.B)12 million pounds.C)20 billion pounds.D)20 million pounds.5.What warning do scientists give in the passage?A)Natural resources w
22、ill be exhausted within the next few years.B)Fish reserves will be destroyed within the next few years because of excessive fishing.C)People in some parts of the world will face starvation because of the drought.D)Peoples demand on fish will decline in some parts of the world.Key:1 D 2 C 3 A 4 C 5 B
23、 Section C Task Two:Zooming In on the Details Listen to the recording again and fill in each of the blanks according to what you have heard.Today though,there is evidence showing that marine resources are as seriously _ as those of the land and the air.In fact,in some ways the _ to fish are more ala
24、rming than the threats to animals and birds.This is because fish is a much needed food _,as people throughout the world depend on fish as an important part of their _.It is reported that to _ food demands,20 billion pounds of fish are _ every year in the North Atlantic alone.Sea resources are also r
25、apidly _ in many other parts of the world.Scientists now believe that food _ from the sea wont last forever.They warn that _ fishing will destroy fish reserves within the next few years.They also warn that the decline in fish supply will cause _ in some parts of the world.Answers for reference:Today
26、 though,there is evidence showing that marine resources are as seriously endangered as those of the land and the air.In fact,in some ways the threats to fish are more alarming than the threats to animals and birds.This is because fish is a much needed food resource,as people throughout the world dep
27、end on fish as an important part of their diet.It is reported that to satisfy food demands,20 billion pounds of fish are harvested every year in the North Atlantic alone.Sea resources are also rapidly declining in many other parts of the world.Scientists now believe that food supplies from the sea w
28、ont last forever.精选 They warn that excessive fishing will destroy fish reserves within the next few years.They also warn that the decline in fish supply will cause starvation in some parts of the world.Script:The Importance of Protecting Sea Resources During the 19th century,people in Europe and Ame
29、rica claimed that marine resources were unlimited.For example,a noted biologist at the time commented that none of the worlds great sea fisheries were ever going to be exhausted.Today though,there is evidence showing that marine resources are as seriously endangered as those of the land and the air.
30、In fact,in some ways the threats to fish are more alarming than the threats to animals and birds.This is because fish is a much needed food resource,as people throughout the world depend on fish as an important part of their diet.It is reported that to satisfy food demands,20 billion pounds of fish
31、are harvested every year in the North Atlantic alone.Sea resources are also rapidly declining in many other parts of the world.Scientists now believe that food supplies from the sea wont last forever.They warn that excessive fishing will destroy fish reserves within the next few years.They also warn
32、 that the decline in fish supply will cause starvation in some parts of the world.Part III Read and Explore Text A Section A Discovering the Main Ideas Exercise 1:Answer the following questions with the information contained in Text A.1)Does man tend to become less dependent on nature with the rapid
33、 development of society?Why or why not?2)What does the author think about the present relationship between man and nature?3)Whats the distinct feature of modern technology according to the passage?4)Whats the solution to the ecological crisis according to the author?5)Whats the authors attitude towa
34、rds the human transformation of nature?.精选 Answers for reference:1)No.As society develops,man tends to become less dependent on nature directly,while indirectly his dependence grows.For instance,in this industrial society,it appears that man is relying less on nature for its natural gifts since he c
35、an produce what he needs with the help of modern technology.However,man still has to take raw materials from nature for production and,in fact,depends on nature more than ever for such irreplaceable resources as coal,oil,and so on.2)According to the author,the present relationship between man and na
36、ture is not as harmonious as before,as the previous dynamic balance between man and nature and between nature and society as a whole has shown ominous signs of breaking down.It is increasingly difficult to obtain irreplaceable natural resources for the needs of production and to eliminate industrial
37、 waste.3)The distinct feature of modern technology is the increasing abundance of produced and used synthetic goods.With modern technology,man has produced and consumed more synthetic goods than he needs,which has severely polluted nature.4)According to the author,the solution lies in rational and w
38、ise organization of both production itself and care for Mother Nature by all humanity.One of the ways to deal with the crisis is to use natural resources such as solar energy,and the power of winds.5)The author takes a negative attitude towards human transformation of nature.According to the passage
39、,mans transformation has brought about fatal destruction to nature.Nature is being exhausted in resources,contaminated by synthetic products,and troubled by ecological imbalance.Exercise 2:Text A can be divided into four parts with the paragraph number(s)of each part provided as follows.Write down t
40、he main idea of each part.Part Paragraph(s)Main Idea I 1-2 Man lives in the realm of nature.He is connected with nature by“blood”ties and he cannot live outside nature.II 3-4 As society develops,man tends to become less dependent on nature directly,while indirectly his dependence grows because it is
41、 increasingly difficult to obtain irreplaceable natural resources for the needs of production.III 5-7 At present Mother Nature is being exhausted in resources,contaminated.The previous dynamic balance between man and nature and between nature and society as a whole has shown ominous signs of breakin
42、g down.精选 IV 8-9 The solution to man-nature lies in rational and wise organization of both production itself and care for Mother Nature by all humanity.Section B In-depth Study Nature nurtures mankind unselfishly with its rich resources.Yet,man is so carried away in his transformation of nature that
43、 he is unaware that it also has limitations and needs constant care.Now worn by the excessive demands of mankind,nature is unable to maintain the ecological balance needed.Humanity is faced with the problem of how to stop,or at least to moderate,the destruction of Mother Nature.Man in the Realm of N
44、ature Alexander Spirkin 1 Human beings live in the realm of nature.They are constantly surrounded by it and interact with it.Man is constantly aware of the influence of nature in the form of the air he breathes,the water he drinks,and the food he eats.We are connected with nature by“blood”ties and w
45、e cannot live outside nature.2 Man is not only a dweller in nature,he also transforms it.Humanity converts natures wealth into the means of the cultural,historical life of society.Man has subdued and disciplined electricity and compelled it to serve the interests of society.Not only has man transfer
46、red various species of plants and animals to different climatic conditions,he has also changed the shape and climate of his environment and transformed plants and animals.3 As society develops,man tends to become less dependent on nature directly,while indirectly his dependence grows.Our distant anc
47、estors lived in fear of natures destructive forces.Very often they were unable to obtain the merest daily necessities.However,despite their imperfect tools,they worked together stubbornly,collectively,and were able to attain results.Nature was also changed through interaction with man.Forests were d
48、estroyed and the area of farmland increased.Nature with its elemental forces was regarded as something hostile to man.The forest,for example,was something wild and frightening and people tried to force it to retreat.This was all done in the name of civilisation,which meant the places where man had m
49、ade his home,where the earth was cultivated,where the forest had been cut down.4 But as time goes on mankind becomes increasingly concerned with the question of where and how to obtain irreplaceable natural resources for the needs of production.Science and mans practical transforming activities have
50、 made.精选 humanity aware of the enormous geological role played by the industrial transformation of the earth.5 At present the previous dynamic balance between man and nature and between nature and society as a whole has shown ominous signs of breaking down.The problem of the so-called replaceable re