B4U1新世纪大学英语(第二版)综合教程第4册Unit1.ppt

Read and ExploreUnit 1 Man and Nature Get StartedListen and RespondOptional Classroom ActivitiesEnhance Your Language Awareness新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted3Watching and DiscussionDiscussionQuotes 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 examples?3.What do you think we should do to preserve nature?Workinpairsorgroupsanddiscussthefollowingquestions.Get started-Discussion新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted4DiscussionQuotes Watching and DiscussionStudy the following quotes about man and nature anddiscussinpairswhatyoucanlearnfromthem.Get started-Quotes新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted5DiscussionQuotes Watching and DiscussionStudy nature,love nature,stay close to nature.It will never fail you.Frank Lloyd Wright Interpretation:As an architect,Wright 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.Get started-QuotesClick Picture新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted6DiscussionQuotes Watching and DiscussionLook 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.Get started-QuotesClick Picture新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted7DiscussionQuotes Watching and DiscussionWe do not see nature with our eyes,but with our understandings and our hearts.William Hazlitt Interpretation:As a writer,Hazlitt urges us to love and appreciate nature heart and soul.Get started-QuotesClick Picture新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted8DiscussionQuotes Watching and DiscussionThe highest purpose is to have no purpose at all.This puts one in accord with nature,in her manner of operation.John Cage Interpretation:Mans ideal life is to be integrated into nature,so we should respect nature and follow its laws.Get started-QuotesClick Picture新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted9Watching and DiscussionDiscussionQuotes Watchthefollowingvideoclip“Iftheworldwarmsby6degrees”anddothetasksthatfollow:videoclick here新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted10Watching and DiscussionDiscussionQuotes If the world warms by 6 degrees,from a distance the may appear bright blue,but they are marine wastelands.Deserts across continents like conquering armies.become common events.Some of the worlds great cities are and abandoned.If temperatures soar by 6 degrees within ,were going to face nothing less than a global wipe out.floodedvideo1.Fillinthemissingwordsaccordingtowhatyouhearfromthevideoclip.Video-1_march_Natural disasters_oceans_less than a century_click here新世纪大学英语系列教材（第二版）综合教程4Unit1GetStarted11Watching and DiscussionDiscussionQuotes Video-22.What do you think are other possible consequences of awarmerclimate?(Open.)click hereUnit1ListenandRespond12Word BankTask One Task Two 新世纪大学英语系列教材（第二版）综合教程4marine a.of,near,living in,or obtained from 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 Listen and Respond Word BankUnit1ListenandRespond13Word BankTask One Task Two 新世纪大学英语系列教材（第二版）综合教程4endanger 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 food 挨饿，饥饿；饿 死 Listen and Respond Word BankUnit1ListenandRespond14Task One Word Bank新世纪大学英语系列教材（第二版）综合教程4Task Two Choosethebestanswertoeachofthefollowingquestionsaccording to the information contained in the listeningpassage.L&R 1Unit1ListenandRespond15Task One Word Bank新世纪大学英语系列教材（第二版）综合教程4Task Two 1.What is the main idea of the passage?L&R 1A)The importance of seafood supplies.B)The fish harvest in the North Atlantic.C)The decline in fish supplies in the sea.D)The importance of protecting sea resources.Unit1ListenandRespond16Task One Word Bank新世纪大学英语系列教材（第二版）综合教程4Task Two 2.What did people in Europe and America in the 19th century think about marine resources?L&R 1A)They thought that marine resources were almost exhausted.B)They thought that marine resources were seriously destroyed.C)They thought that marine resources were unlimited.D)They thought that marine resources were endangered.Unit1ListenandRespond17Task One Word Bank新世纪大学英语系列教材（第二版）综合教程4Task Two 3.Why are the threats to fish more alarming than the threats to animals and birds?L&R 1A)Because fish is a much needed food resource.B)Because plenty of fish is killed every year.C)Because fish is the only diet for many people.D)Because the sea fisheries are going to be exhausted.Unit1ListenandRespond18Task One Word Bank新世纪大学英语系列教材（第二版）综合教程4Task Two 4.How much fish is harvested in the North Atlantic every year?L&R 1A)12 billion poundsB)12 million pounds.C)20 billion pounds.D)20 million pounds.Unit1ListenandRespond19Task One Word Bank新世纪大学英语系列教材（第二版）综合教程4Task Two A)Natural resources will 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.5.What warning do scientists give in the passage?L&R 1Unit1ListenandRespond20Task TwoWord BankTask One新世纪大学英语系列教材（第二版）综合教程4L&R 2Listentotherecordingagainandfillineachoftheblanksaccordingtowhatyouhaveheard.Unit1ListenandRespond21Task TwoWord BankTask One新世纪大学英语系列教材（第二版）综合教程4diet 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 alarming 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 L&R 2endangered_threats_resource_satisfy_harvested_Unit1ListenandRespond22Task TwoWord BankTask One新世纪大学英语系列教材（第二版）综合教程4North Atlantic alone.Sea resources are also rapidly 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.L&R 2supplies_declining_excessive_starvation_Unit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth StudyVoicing Your Views23新世纪大学英语系列教材（第二版）综合教程41.Does man tend to become less dependent on nature with the rapid 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 towards the human transformation of nature?Main Idea-1Exercise 1:Answer the following questions with theinformationcontainedinTextA.Unit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth StudyVoicing Your Views24新世纪大学英语系列教材（第二版）综合教程4Main Idea-2Exercise 2:Text A can be divided into four parts with theparagraphnumber(s)ofeachpartprovidedasfollows.Writedownthemainideaofeachpart.Unit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth StudyVoicing Your Views25新世纪大学英语系列教材（第二版）综合教程4Main Idea-2PartParas.Main Idea I1-2II3-4III5-7IV8-9Main Idea-2 Man lives in the realm of nature.He is connected with nature by“blood”ties and he cannot live outside nature.As society develops,man tends to become less dependent on nature directly,while indirectly his dependence grows because it is increasingly difficult to obtain irreplaceable natural resources for the needs of production.At present Mother Nature is being exhausted in resources,contaminated by synthetic products,and troubled by ecological imbalance.The previous dynamic balance between man and nature and between nature and society as a whole has shown ominous signs of breaking down.The solution to man-nature relation lies in rational and wise organization of both production itself and care for Mother Nature by all humanity.Unit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth Study26新世纪大学英语系列教材（第二版）综合教程4Voicing Your ViewsNaturenurturesmankindunselfishlywithitsrichresources.Yet,manissocarriedawayinhistransformationofnaturethat he is unaware that it also has limitations and needsconstant care.Now worn by the excessive demands ofmankind,natureisunabletomaintaintheecologicalbalanceneeded.Humanityisfacedwiththeproblemofhowtostop,oratleasttomoderate,thedestructionofMotherNature.In-DepthUnit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth Study27新世纪大学英语系列教材（第二版）综合教程4Voicing Your Views1 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 we cannot live outside nature.In-DepthMan in the Realm of Nature Alexander SpirkinUnit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth Study28新世纪大学英语系列教材（第二版）综合教程4Voicing Your ViewsIn-Depth2 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 it to serve the interests of society.Not only has man 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 pelledtransferredUnit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth Study29新世纪大学英语系列教材（第二版）综合教程4Voicing Your Viewsregarded 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 made his home,where the earth was cultivated,where the forest had been cut down.3 As society develops,man tends to become less dependent on nature directly,while indirectly his dependence grows.Our distant ancestors 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 destroyed and the area of farmland increased.Nature with its elemental forces wasIn-DepthUnit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth Study30新世纪大学英语系列教材（第二版）综合教程4Voicing Your Viewsreplaceable resources of the biosphere has become particularly acute.It is getting more and more difficult to satisfy the needs of human beings and society even for such a substance,for example,as fresh water.The problem of eliminating industrial waste is also becoming increasingly complex.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 made 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 In-DepthUnit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth Study31新世纪大学英语系列教材（第二版）综合教程4Voicing Your Viewssynthetic,glittering fabrics that are obviously not good for them.Young people may hardly feel this,and they pay more attention to appearance than to health.But they become more aware of this harmful influence as they grow older.7 As time goes on the synthetic output of production turns into waste,and then substances that in their original form were not very toxic are transformed in the cycle of natural processes into aggressive agents.Today both natural scientists and philosophers are asking themselves the question:Is mans destruction of the biosphere inevitable?6 Modern technology is distinguished by an ever increasing abundance of produced and used synthetic goods.Hundreds of thousands of synthetic materials are being made.People increasingly cover their bodies from head to foot in nylon and otherIn-DepthUnit1ReadandExplore Text ADiscovering the Main IdeasIn-Depth Study32新世纪大学英语系列教材（第二版）综合教程4Voicing Your Viewsto use such resources as solar energy,the power of winds,the riches of the seas and oceans and other,as yet unknown natural forces of the universe.9 But to return to our theme,the bitter truth is that those human actions which violate the laws of nature,the harmony of the biosphere,threaten to bring disaster and this disaster may turn out to be universal.How apt then are the words of ancient Oriental wisdom:live closer to nature,my friends,and its laws will protect you!8 The man-nature relation the crisis of the ecological situation is a global problem.Its solution lies in rational and wise organization of both production itself and care for Mother Nature,not just by individuals,enterprises or countries,but by all humanity.One of the ways to deal with the crisis situation in the“man-nature”system is In-DeptheternalUnit1ReadandExplore Text AVoicing Your Views33新世纪大学英语系列教材（第二版）综合教程4In-Depth StudyDiscovering the Main IdeasvoicingInoureverydaylife,wemayfindlotsofinstancesofnature-unfriendlybehaviour.Nowworkinpairsorgroupsandfillinthe table with some such instances and then offer yoursuggestionsorpossiblesolutions.Shareyourviewswiththewholeclass.Unit1ReadandExplore Text AVoicing Your Views34新世纪大学英语系列教材（第二版）综合教程4In-Depth StudyDiscovering the Main IdeasvoicingNature-unfriendly Behaviour Suggestions&Solutions Driving private cars is becoming fashionable.Promoting the use of public transportation.Abusive use of exhaustible resources has caused serious environmental problems.Developing inexhaustible resour-ces such as solar energy,wind power,etc.Disposable plastic lunch boxes are over-used in restaurants.Using ones own lunch boxes.Plastic bags are excessively used for packing.Bringing ones own cloth or paper bags when shopping.Lights or water taps are often left on in pubic places.Turning off the lights or water taps after use.Potentially toxic wastes such as used batteries are thrown away at random.Setting up separate litter bins for disposal of potentially toxic wastes such as used batteries.Unit1ReadandExplore Text BKey Words and ExpressionsDifficult SentencesComprehension Questions35新世纪大学英语系列教材（第二版）综合教程4Key Words(B)Key Words for Text BtrackbarescrapetipmiraclepilemasssparktherebyemergetriggerconsumehollowUnit1ReadandExplore Text BKey Words and ExpressionsDifficult SentencesComprehension Questions36新世纪大学英语系列教材（第二版）综合教程4Key Words(B)Expressions for Text Bsweep sb.up cope with tough it out search out up to nothing short of thaw out settle in Unit1ReadandExplore Text BKey W