新视野视听说第三册UnitOurGlobeisinDanger学习教案

1、会计学1新视野视听新视野视听(shtng)说第三册说第三册Unit Our Globe is in Danger第一页，共52页。Watch a video clip. Work in groups to discuss the following questions.第1页/共52页第二页，共52页。1. What do you think may account for the natural disaster in the video clip?2. What do you think might be the causes of what was happening in the vi

2、deo clip?第2页/共52页第三页，共52页。Work in pairs and identify the extreme weather associated with the following pictures. Then share what you know about the Extreme Weather with your partner. lightening and thunderstormshailtornadoesflash floodshurricaneswinter storms第3页/共52页第四页，共52页。Work in groups to discus

3、s the following questions.1. Have you witnessed any changes of the environment in your hometown? 2. What do you think is the relationship between the climate and environment? 3. Do you know some other climate disasters caused by the pollution of environment? 第4页/共52页第五页，共52页。microscope n. 显微镜(an opt

4、ical instrument that produces magnified images of small objects)El Nio 厄尔尼诺现象drought n. 干旱(gnhn)(a long period of dry weather when there is little or no rain) e.g. Fresh vegetables were scarce during the drought.greenhouse effect 温室效应(the gradual warming of the air surrounding the Earth as a result

5、of heat being trapped by pollution) e.g. Carbon dioxide emission contributes to greenhouse effect. Basic Listening Practice第5页/共52页第六页，共52页。harness v. 利用（或控制）以产生能量(nngling)等(control and use the natural force or power of something) e.g. The problem was how to harness these forces.hazard n. 危险(danger;

6、 risk) e.g. He had put his own life in hazard.CFC 含氟氯烃(a gas used in fridges and aerosol cans, harmful to the ozone layer)aerosol n. 喷雾器(a container in which liquids are kept under pressure and forced out in spray)Basic Listening Practice第6页/共52页第七页，共52页。Questions and key1. Q: Which of the following

7、 is true according to the dialog? B) Even scientists cannot understand El Nio.2. Q: How do the man and the woman view the environment? D) Both the man and the woman think positively about it.3. Q: What have the Chinese people been encouraged to do? A) To grow trees.4. Q: What are government organiza

8、tions helping people to do? A) To treat old electrical appliances safely.5. Q: What does the man mean? C) The woman should not use an aerosol spray.Basic Listening Practice第7页/共52页第八页，共52页。 We should have proper respect for nature!Martha 玛莎人名Ed 艾德人名litter v. 乱扔垃圾(l j)(leave rubbish in public places)

9、 e.g. Dont litter the paper over the floor.trash n. 垃圾(l j)(something worth little or nothing) e.g. Please take out the trash.Listening in第8页/共52页第九页，共52页。While being interviewed by Martha, Ed said more people in his culture respect (1)_ now than ever before. When asked about the most serious (2)_ i

10、n the world today, he mentioned the damaged ozone layer and the (3)_ in big cities.Ed learned about environmental problems at school. A lot of clubs and some TV programs (4)_ environmental safety. He believes that students should learn more about the environment at school. Then they can be more (5)_

11、 all the problems and prevent more problems (6)_.When asked about a new (7)_ he would like to create to help the environment, he said that when people (8)_ their cigarette butts, they have to throw them into the garbage bin. They should be (9)_ if they throw them on the floor or ground.Personally, E

12、d is so against littering that he never litters. He always throws his (10)_ into the garbage bin.Keynatureenvironmental problempollutionpromoteaware offrom occurringlawthrow awayfinedtrashListening in第9页/共52页第十页，共52页。River Pollutiondiscolor v. 使变色(bins)(cause something to change color) e.g. This mat

13、erial may discolor if exposed to direct sunlight. smelly adj. 臭的(having a bad smell; stinking) e.g. The toilets in that restaurant were horribly smelly and dirty.fertilizer n. 肥料(a substance that is put on the soil to make crops grow) e.g. Get some more fertilizer for the garden.drain v. 排水(flow awa

14、y) e.g. They are digging trenches to drain the water away. Listening in第10页/共52页第十一页，共52页。River Pollutionconcentration n. 浓度; 含量(hnling)(the amount of a substance in a liquid) e.g. Although all plants normally contain fluorine, the concentration varies greatly. nitrate n. 硝酸盐; 硝酸盐类化肥phosphate n. 磷酸盐

15、; 磷肥algae n.（复数）水藻bacteria n.（复数）细菌(germs)pollutant n. 污染物(a polluting substance)cyanide n. 氰化物lead n. 铅Listening in第11页/共52页第十二页，共52页。River Pollutionmercury n. 汞, 水银(shuyn)toxic adj. 有毒的(poisonous) e.g. The factory had accidentally released a quantity of toxic waste into the sea.film n. 薄膜; 薄薄一层(a

16、thin layer) e.g. This film of water is about five miles thick at its deepest part.dissolve v. 溶解(mix with a liquid and become part of it) e.g. Both salt and sugar dissolve easily in water. Listening in第12页/共52页第十三页，共52页。Questions and key1. Q: What is the passage mainly about? D) The causes of river

17、pollution.2. Q: Why does the river water turn green? A) Because nitrate and phosphate in the water increase.3. Q: What harm does industrial waste cause? B) Poisoning.4. Q: Which of the following is true of oil pollution? C) It prevents oxygen from entering the water.5. Q: What harm can warm water in

18、 a river bring? D) Lack of oxygen.Listening in第13页/共52页第十四页，共52页。PollutionsWhen households and factories dump sewerage and harmful substances into rivers and lakes, water pollution can be serious. Air pollution may worsen as the economy develops. If the smoke from the factory chimneys does not meet

19、environmental standards, it pollutes the air. Also, the increasing number of cars brings further deterioration to the quality of the air. The cigarettes people smoke also contribute to the pollution.Listening in第14页/共52页第十五页，共52页。 e.g. Plans are being drawn up to build a hydroelectric station here.C

20、urbing carbon emissionsListening in第15页/共52页第十六页，共52页。 corruption.Curbing carbon emissions第16页/共52页第十七页，共52页。Questions and keyListening in第17页/共52页第十八页，共52页。Environment calendarFebruary 2 World Wetland Day世界湿地日March 21World Forestry Day世界森林日March 22World Water Day世界水日March 23World Meteorological Day

21、世界气象日April 7World Health Day世界健康日April 18World Heritage Day世界遗产日April 22Earth Day地球日May 31Anti Tobacco Day禁烟日(To be continued)Listening in第18页/共52页第十九页，共52页。Environment calendarJune 5World Environment Day世界环境日July 11World Population Day世界人口日September 16World Ozone Day世界臭氧日September 28Green Consumer

22、Day绿色消费者日October 3World Habitat Day世界居住日October 1-7World Wildlife Week世界野生动植物周October 4World Animal Welfare Day世界动物福利日October 13International Day for Natural Disaster Reduction国际减少自然灾害日(Continued)Listening in第19页/共52页第二十页，共52页。humid adj. 潮湿潮湿(chosh)的的(moist; damp) e.g. In the east, the air is humid

23、in summer. panel n. 板板(a flat rectangular piece of glass, wood, metal, etc.)trap v. 挡住挡住(prevent something such as gas or water from getting away) e.g. This is called the greenhouse effect, and the gases that trap the heat are greenhouse gases.carbon monoxide n. 一氧化碳一氧化碳Speaking Out第20页/共52页第二十一页，共5

24、2页。ScriptJohn: How is your grandma (1)_ _?Nora: Over the last few years, granny has been complaining that (2)_ _. She believes the weather has changed.John: What she means is the climates long-term conditions. Weather refers only to day-to-day conditions.Nora: Yeah. She says summer is hotter, and wi

25、nter wetter. But I tried to comfort her, saying, “Its all in your mind, granny.”John: Shes right, you know. The greenhouse effect (3)_.(To be continued) getting along during this unusually hot weather the hot, humid weather is killing herdoes bring global warming and rainSpeaking Out第21页/共52页第二十二页，共

26、52页。Script(Continued)Nora: How can I explain global warming and greenhouse gases to a 97-year-old granny?John: Tell her the Earth now is like a real greenhouse made of glass panels that let in light and trap heat.Nora: Think shell want to know that carbon monoxide from Earth makes greenhouse gases?J

27、ohn: (4)_ _.Nora: Ill tell granny (5)_ _, or to use aerosol spray on her hair.John: OK. Joke about it, but it wont be so funny when (6)_. Everybody should know what causes global warming. Otherwise we wont stop it not to burn any more wood or coalthe polar ice caps melt and oceans riseSpeaking Out第2

28、2页/共52页第二十三页，共52页。Global warming Global warming is the increase in the average temperature of the Earths near-surface air and oceans in recent decades and its projected continuation. The term “global warming” is a specific example of the broader term “climate change”, which can also refer to global

29、cooling. In common usage the term refers to recent warming and implies a human influence.Speaking Out第23页/共52页第二十四页，共52页。Rainforests will soon be only a memory.donation n. 捐赠捐赠(junzng)(something given to a person or an organization in order to help them) e.g. Ill be sending them a donation in apprec

30、iation of their help. dense adj. 稠密的稠密的; 浓密的浓密的(with a lot of things that are closely together) e.g. The city has a dense manufacturing population. vegetation n. 植物植物(plants of an area or a region) e.g. The sparse vegetation will only feed a small population of animals.Alaska 阿拉斯加州（美国州名）阿拉斯加州（美国州名）l

31、ogger n. 伐木者伐木者(a person who cuts trees)Speaking Out第24页/共52页第二十五页，共52页。Script(To be continued)asking for donations to save the rainforests They need hot, tropical climates heavy rainfall leads to dense vegetationSpeaking Out第25页/共52页第二十六页，共52页。Script plant and animal species exist only inrainforest

32、s are in danger of destruction byfind a way to save themSpeaking Out第26页/共52页第二十七页，共52页。Rainforests Rainforests are forests characterized by high rainfall, with definitions based on a minimum normal annual rainfall of 1750-2000 mm (68-78 inches). The monsoon trough, alternatively known as the intert

33、ropical convergence zone, plays a significant role in creating the climatic conditions necessary for the Earths tropical rainforests. Around 40% to 75% of all biotic species are indigenous to the rainforests. It has been estimated that there may be many millions of species of plants, insects and mic

34、roorganisms still undiscovered in tropical rainforests. Tropical rainforests have been called the “jewels of the Earth” and the “worlds largest pharmacy”, because over one quarter of natural medicines have been discovered there. Rainforests are also responsible for 28% of the worlds oxygen turnover,

35、 sometimes misnamed oxygen production, processing it through photosynthesis from carbon dioxide and consuming it through respiration.Speaking Out第27页/共52页第二十八页，共52页。What a terrible sandstorm!Mongolia n. 蒙古国蒙古国airborne adj. 空中空中(kngzhng)传播的传播的(carried through the air) e.g. Also, it helps to prevent d

36、ust and other airborne contaminates from flowing into the room.afforestation n. 植树造林植树造林(the act of planting trees in order to make a forest) e.g. We have decided to transform the mountains by afforestation. Speaking Out第28页/共52页第二十九页，共52页。Script(To be continued) a big sandstorm hit our cityThe air

37、was full of dirt and sand and dust comes after a long period of droughtSpeaking Out第29页/共52页第三十页，共52页。Script(To be continued)the soil can be lifted upSpeaking Out第30页/共52页第三十一页，共52页。Scriptplant more trees and grass launching a new forestation program in a bid to address the environmental problemSpea

38、king Out第31页/共52页第三十二页，共52页。Sandstorm A dust storm or sandstorm is a meteorological phenomenon common in arid and semi-arid regions. Dust storms arise when a gust front or other strong wind blows loose sand and dirt from a dry surface. Particles are transported by saltation and suspension, a process

39、 that moves soil from one place and deposits it in another. The Sahara and dry lands around the Arabian peninsula are the main terrestrial sources of airborne dust, with some contributions from Iran, Pakistan and India into the Arabian Sea, and Chinas significant storms deposit dust in the Pacific.(

40、To be continued)Speaking Out第32页/共52页第三十三页，共52页。(Continued) It has been argued that recently, poor management of the Earths dry lands, such as neglecting the fallow system, are increasing dust storms from desert margins and changing both the local and global climate, and also impacting local economi

41、es. The term sandstorm is used most often in the context of desert sandstorms, especially in the Sahara, or places where sand is a more prevalent soil type than dirt or rock, when, in addition to fine particles obscuring visibility, a considerable amount of larger sand particles are blown closer to

42、the surface. The term dust storm is more likely to be used when finer particles are blown long distances, especially when the dust storm affects urban areas.Speaking Out第33页/共52页第三十四页，共52页。Watch a video clip. Work in groups to discuss the following questions.1. What is the video clip about?2. What m

43、ight happen if all the ice melted?3. What might be the causes for the problem?Speaking Out第34页/共52页第三十五页，共52页。inspirational adj. 有抱负(bof)的 (with aspiration or ambition) e.g. It is, in my opinion, one of the most inspirational mathematics books Ive ever read. fluffy adj. 空洞的 (empty, meaningless) e.g.

44、 There is an iron will underlying that soft and fluffy facade.emission n. 排放物 (a gas or other substance that is sent into the air) e.g. One set of provisions tightens emission standards. Lets Talk第35页/共52页第三十六页，共52页。scenario n. 情景 (a situation that could possibly happen) e.g. The more likely scenari

45、o is that the president will resign and an election will be held. hollow adj. 空的 (having a hole or empty space inside) e.g. The boys scraped out a hollow place for planting trees.shell n. 壳 (the hard outer covering)channel v. 为引资(yn z); 引导 (control or direct money, energy, etc. toward a particular p

46、urpose) e.g. Channel all your efforts into this one project, and you will succeed.Lets Talk第36页/共52页第三十七页，共52页。Script and keyMan 1: Well, its inspirational language which is nice and lovely and fluffy, but(1)_ _, and so its really hard to take to the bank. I mean, peoples lives are on the line in th

47、e developing world where we are seeing the impacts felt first and foremost. And obviously (2)_ _ _. (3)_ _ and thats a big problem. On-screen text: Wind Farm This is a great photo op for all the world leaders, but if (4)_ _, it really doesnt mean much at the end of the day.?(to be continued) bdoesnt

48、 really actually commit anyone to doing anything athe atmosphere simply cant take the kind of emissions weve been seeing in the business-as-usual scenario and theres no real commitment to change that hTheres no real commitment to put serious money on the table dits not backed by actionLets Talk第37页/

49、共52页第三十八页，共52页。Script and key(Continued)Man 2: Whats in there is very disappointing. (5)_ _. (6)_ that will need to be filled in, and it has some numbers, it talks about trying to avoid two degrees. Thats the same language that the G8 used last July. But (7)_ as yet that would guarantee that were ac

50、tually on the, on track to get there. And the financing commitments there is a mention of a 100- billion-dollar figure and the attempt to raise or mobilise that level of resources, but (8)_ _ _, as yet. gIt does not constitute a a dealeIts a hollow shellcit lacks anything on emissions cuts fTheres n

51、o guarantee that there will be new money, that the money will be real, that theres actually a commitment to get there, or that it will be channeled in new waysLets Talk第38页/共52页第三十九页，共52页。 On July 1, 2006, Qinghai-Tibet Railway was put into use, which might lead to the flooding-in of numerous touris

52、ts. Peoples opinions of the railways opening differ. Some say it will greatly promote the tourism and consequently economy in Tibet. However, some show great concern of it. They think Tibet is the last piece of holy land in peoples mind. But the opening of the railway will disturb the tranquility an

53、d do great harm to the ecosystem in Tibet. Whats your opinion on the Qinghai-Tibet Railway? Do you think it will bring bliss or disaster to people and environment in Tibet?Lets Talk第39页/共52页第四十页，共52页。ListeningThe environment and the developmentsummit n. 峰会峰会(fn hu)(a meeting or set of meetings of th

54、e leaders of several governments) e.g. The Earth summit is not just about problems. sustainable adj. 可持续的可持续的(able to continue without causing damage to the environment ) e.g. Put people first and aim at comprehensive, coordinated and sustainable development.Further Listening and Speaking第40页/共52页第四

55、十一页，共52页。ListeningThe environment and the developmentoption n. 选择(choice) e.g. The option for peace should never be closed off. instill v. 注入; 灌输(make someone think, behave or feel in a particular way) e.g. We must instill a sense of duty in our children.log v. 伐木(cut down trees) e.g. They log for a

56、 living.the upper reach（河流(hli)的）上游(the upper section)Further Listening and Speaking第41页/共52页第四十二页，共52页。KeyEnvironmentalproblemsair pollution, (1)_, desertification, overfishing, destruction of natural habitats, acid rain, (2)_ of wild animals and plants, etc.Central problemthe contradiction between

57、 (3)_ and the environmentA new ideasustainable development; it means:Todays economic growth should not wipe out the (4)_ and options for future generations.Planning and development should ensure not only economic growth, but also (5)_ and environmental health.Some economic behavior must be (6)_ or c

58、ontrolled.(To be continued)water pollutionoverconsumptioneconomic growthresourcessocial advancementrestrictedFurther Listening and Speaking第42页/共52页第四十三页，共52页。KeyWhat China could doInstill principles of sustainable development into (7)_, resource management and (8)_.What China has doneChina has alre

59、ady taken some (9)_ to reduce damage to the environment, e.g., following the huge floods of 1998, the government banned logging in the upper reaches of the Yangtze River.The aima(n) (10)_ between economic growth and the environment(Continued)government planningeconomic policyremarkable steps balance

60、Further Listening and Speaking第43页/共52页第四十四页，共52页。Further Listening and Speaking第44页/共52页第四十五页，共52页。Questions and keyFurther Listening and Speaking第45页/共52页第四十六页，共52页。Mountain regions face a number of dangers.inhabit v. 居住居住(jzh)(live in a particular place) e.g. We should treasure the planet Earth w