新核心大学英语B版听说教程3Unit 6（课堂PPT）

1、Unit 6 Global WarmingIn this unit you will:1. learn about global warming from lectures and stories;2. familiarize yourself with the words and expressions related to the theme of this unit;3. practice using some popular note-taking formats to help understand lectures;4. enhance listening skills throu

2、gh non-theme-related audio and video materials;5. learn to use proper expressions and sentence structures for presiding over meetings.Learning objectives Section I Lecture Section II Documentary Section III Science Story1. Do you know some knowledge about global warming?2. Have you already felt the

3、bad influence of global warming?Lead-in questions:Unit 6 Part I Section I Lead-in questionsWord Bankarctic /ktk/ adj. 北极的北极的contract /kntrkt/ v. 收缩，缩小收缩，缩小thaw / v. 解冻，融化解冻，融化methane /mien/ n. 甲烷甲烷microbe /makrb/ n. 微生物微生物bubble up沸腾，往上冒泡沸腾，往上冒泡Kangerlussuaq River康克鲁斯瓦格河（位于格陵兰岛）康克鲁斯瓦格河（位于格陵兰岛）Antarc

4、tica /ntktk/ n. 南极洲南极洲snowpack /snpk/ n. 积雪场积雪场reservoir /rezvw(r)/ n. 水库水库Unit 6 Part I Section I Word Bankunsustainable /nsstenbl/ adj.不能持续的不能持续的depletion /dplin/ n. 消耗，用尽消耗，用尽deforestation /difrsten/ n. 砍伐森林砍伐森林oxymoron /ksmrn/ n. 自相矛盾自相矛盾sludge /sld/ n. 淤泥淤泥mesh with与与一致，吻合一致，吻合Unit 6 Part I Sec

5、tion I Word BankNotesUnit 6 Part I Section I Notes1. Andes The Andes is the worlds longest continental mountain range. It is a continual range of highlands along the western coast of South America.2. Al Gore Albert Arnold “Al” Gore, Jr. (born on March 31, 1948) served as the 45th Vice President of t

6、he United States (1993-2001), under Present Bill Clinton. He was the Democratic Party nominee for President in the 2000 Task 1 Watch the video clip and then decide whether the following statements are true or false.1. At last years presentation, Gore showed that the area of the arctic ice cap had sh

7、runk by more than 40%.2. At the southern end of the earth, Antarctica has the largest mass of ice on the planet.3. The biggest single cause of global warming is the burning of fossil fuels, which accounts for 20% of it.4. According to the video, clean coal campaign in American will be the best solut

8、ion to the climate crisis.5. The old African proverb Gore cited at the end of the speech implies that he hopes people will get together to fight against global warming.TT_F_F_T_Unit 6 Part I Section I Task 1TaskTask 2 Watch the video clip for the second time and then complete the following sentences

9、.Task1. The arctic ice cap is, in a sense, of the global climate system.2. This is a problem because the warming around the arctic ocean, where there is a massive amount of , which, when it thaws, is turned into methane by microbes.3. If you want to know how the rises from ice melting this is where

10、it reaches the sea.4. of all the people in the world get half of their drinking water from that .the beating heart_Unit 6 Part I Section I Task 2 heats up the frozen ground _frozen carbon_sea level_land-based_40 percent_melting flow_5. Look carefully at the area of the eastern Pacific, from the Amer

11、ica, , and on either side of the Indian subcontinent, where there is a of oxygen in the oceans.6. Thats why weve made it our to spend a large sum of money on to help the truth about coal.7. America is in crisis, the economy, , the climate crisis.8. with 100 percent clean electricity, within 10 years

12、: a plan to put America back to work, make us more secure and .extending westward_Unit 6 Part I Section I Task 2radical depletion_primary goal_ bring out and complicate _national security_Repower America_help stop global warming_an advertising effort_【Script】Unit 6 Part I Section I Task 3Task 3 Watc

13、h the video clip again and then have a group discussion based on the following questions. After the discussion, each group will give a brief report to the class.Task1. According to the video clip, what has caused global warming?2. In the light of global warming, is the proverb which Gore cited, “If

14、you want to go quickly, go alone; if you want to go far, go together” correct?3. What is the significance of the Repower America? Is this a good idea?4. As college students, what should one do to fight global warming?ScriptUnit 6 Part I Section I ScriptAl Gore: Last year I showed these two slides so

15、 that demonstrate that the arctic ice cap, which for most of the last three million years has been the size of the lower 48 states, has shrunk by 40 percent, but this understates the seriousness of this particular problem because it doesnt show the thickness of the ice. The arctic ice cap is, in a s

16、ense, the beating heart of the global climate system. It expands in winter andcontracts in summer. The next slide I show you will be a rapid fast forward of whats happened over the last 25 years. The permanent ice is marked in red, and as you see, it expands to the dark blue: thats the annual ice in

17、 Word Bankramification /rmfken/ n. 结果，后果结果，后果vulnerable /vlnrbl/ adj.脆弱的，易受伤害的脆弱的，易受伤害的consign /knsan/ v.将将置于（不快的境地）置于（不快的境地）disintegration /dsntgren/ n.分裂，解体分裂，解体Unit 6 Part I Section II Word BankNotesUnit 6 Part I Section II NotesKyoto Climate Protocol The Kyoto Protocol is a protocol to the Unite

18、d Nations Framework Convention on Climate Change (UNFCCC or FCCC) aimed at fighting global warming. The UNFCCC is an international environmental treaty with the goal of achieving the “stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogen

19、ic interference with the climate system”.1. What do scientists and environmentalists think of Kyoto Climate Protocol in 1997? A. It can effectively stop the global warming. B. It is only a first and very modest step. C. It has the great power of restriction on carbon dioxide emissions. D. No countri

20、es can finish the goal because its so tough.2. In Ross Gelbspans mind (the fourth person interviewed), climate change is not primarily an economic issue, but also a issue. A. political B. cultural C. moral D. historicalTask 1 Watch the video clip and choose the best answers to the questions below.Ta

21、skUnit 6 Part I Section II Task 13. What is given to the teachers if they leave lights and computers on in Marylands school? A. Flower. C. Ticket.4. According to the video, why does the impact of carbon pollution worry the Beijing authorities? A. Because they prepare to host the 29th Olympic Games.

22、B. Because they try to accomplish the goal of carbon emissions reduction. C. Because they need set a new and stricter emission standard. D. Because they are under the pressure of Kyoto Climate Protocol.B. Punishment.D. Paper.Unit 6 Part I Section II Task 15. What is the main idea of this documentary

23、? A. Peoples opinions on emissions reduction and measures taken by some countries. B. Some countries like China and America have taken measures to cut carbon dioxide emission. C. The influence and side effects of Kyoto Climate Protocol. D. Two approaches work as well for us as they do for companies

24、and governments.Unit 6 Part I Section II Task 11. According to the news, why will the effect of the Kyoto agreement be limited?2. What are the two approaches that would work just as well as for us as they do for companies and governments according to the video?Task 2 Watch the video clip for the sec

25、ond time and give a short answer to each of the following questions.TaskUS refusal to sign._Start adapting to the new realities of a new climate, prepare ourselves; Slow down the rate of global warming by reducing our impact on the atmosphere._Unit 6 Part I Section II Task 23. Whats the name of the

26、environmental program of Harpers Choice Middle School?4. According to the principal of Harpers Choice Middle School, whats the benefit of the program to kids?Energy Alliance._Develop in kids a real passion, an interest and a passion for what they do, particularly in this case in the environment._Uni

27、t 6 Part I Section II Task 2Task 3 Watch the video clip again and speak for two minutes on the topic using the following words and expressions. Prepare to answer one or two questionsfrom classmates or the teacher after the presentation.Unit 6 Part I Section II Task 3TaskKyoto Climate Protocol planni

28、ng distribution economicproblemheat up species moraladequateramification damage approacheslongtime constantsevolutionvalue systemEnergy AllianceUnit 6 Part I Section II Task 3【Script】For Reference: This video clip mainly discusses peoples opinions about the Kyoto Climate Protocol, emissions reductio

29、n, and political measures taken. Martin Parry claimed that ten or even twenty times Kyoto-level reductions are needed to solve the problem of climate change entirely. Kevin Trenberth said the planning was adequate, and longtime constants should be built into it. Stephen Schneider talked about the is

30、sue in terms of evolution. Ross Gelbspan thought that climate change was not primarily an economicissue but a moral issue. There are two approaches which can work well to slow ScriptUnit 6 Part I Section II Script It was hoped that the Kyoto Climate Protocol in 1997 would start doing just that by es

31、tablishing targets for developed nations that would reduce their carbon emissions to 1990 levels. After that, developing nations like China and India would adopt similar limits, but with the U.S. refusal to sign, the effect of the Kyoto agreement will be limited. What is of more concern to many of t

32、he worlds scientists and environmentalists is that Kyoto was only a first and very modest step.Martin Parry: The likelihood is we would need probably ten or even twenty times Kyoto level reductions to Word Bankcliff /klf/ n. 悬崖，峭壁悬崖，峭壁crack /krk/ n. 裂缝裂缝pillar /pl(r)/ n. 柱子柱子millimeter /mlmit(r)/ n.

33、 毫米毫米Sonnblick Observatory松布利克观测站（位于阿尔卑斯山区）松布利克观测站（位于阿尔卑斯山区）observatory /bzrvtri/ n. 观测站，气象台观测站，气象台centigrade /sentred/ n.摄氏度摄氏度meteor /mit(r)/ n.流星流星precipitation /prspten/ n.降水，降水量降水，降水量permafrost /prmfrst/ n.永冻土层永冻土层sleet /slit/ n.雨夹雪，冰雹雨夹雪，冰雹mighty /mati/ adj强而有力的强而有力的Unit 6 Part I Section III W

34、ord BankNotesUnit 6 Part I Section III NotesAlps one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein, and Germany to France in the west.Task 1 Watch the video clip and choose the best answers to the questions b

35、elow.TaskUnit 6 Part I Section III Task 11. In which country is the Sonnblick Observatory located? A. Australia. C. Austria.2. According to the story, all the following data can be monitored by the meteor data system EXCEPT _. A. precipitation C. sky radiationB. Alps.D. ItalyB. snow level on glacier

36、sD. global airflowUnit 6 Part I Section III Task 13. Why does Sonnblick Observatory do a better job than most other observatories? A. The weather conditions here are extreme. B. It has the most advanced equipment. C. The weather changes constantly. D. It is located at a higher altitude.4. Which of t

37、he following statements can NOT be inferred from the video? A. Global warming is the cause of the cracks in the pillars supporting the observatory. B. The countries around the Alps will get together to fight the effects of climate change. C. The change in average temperature is solid proof of dramat

38、ic climate change. D. The Sonnblick Observatory has worked for more than 100 years.Unit 6 Part I Section III Task 15. What does the video mainly discuss?A. The function of the observatory and its great effect on the Alps.B. The cause of the cracks and scientists attempt to rescue the observatory.C.

39、The reason why this observatory really towers above most other observatories.D. The danger of the cracks and how to rescue the observatory.Unit 6 Part I Section III Task 2【Script】Task 2 Watch the video clip for the second time and match the number on the left with the sentences you hear on the right

40、.100005 20 1 15 3000 1886Task1. The observatory has been collecting data since .2. The men who tried to rescue the observatory had to hang off a cliff at feet.3. For the past years, the temperature has been so high that at least one month each year it only rains.4. The Sonnblick Observatory is the o

41、ldest mountain observatory in meters in the whole world.5. This whole supporting structure is based on pillars.6. The average temperature has moved up by more than degree centigrade.7. Lue Rasser has been watching the weather data at Sonnblick for more than years.1886_10000_15_3000_5_1 _20_ScriptUni

42、t 6 Part I Section III Script Its time for these men to get ready for work, and work means hanging off a cliff at 10,000 feet. High inthe Austrian Alps, these men are trying to rescue a historic weather station from the weather itself.Michael Btaudinger: It was a couple of years ago: we saw this cra

43、ck and this whole supporting structure is based on 5 pillars. This one lowered itself about 4 or 5 millimeters. This meant to us the mountain is moving. For more than a hundred years, Sonnblick Observatory has taken the Alps temperature. Understanding Lectures: Note-taking 2Understanding Lectures: N

44、ote-taking 2 When giving a lecture, the speaker usually presents an idea and then develops it. Noticing this structure and other signals, one can better understand the lecture and more easily choose the most appropriate style of notes for the lecture. By selectively recording key points, one can cle

45、arly organize the main idea, as well as all the facts, examples, and supporting information used to develop that idea.Unit 6 Part IIPopular note-taking formats include:two-column table spidergram ( mind-mapping) diagram/mind-mapping two-column tabletable timelineflow chart outlining (headings and no

46、tes)Unit 6 Part IIadvantages and disadvantagescause and effectclassification and definitioncomparison and contrastfacts and figuressequence of eventsstages of a processquestion and answer The following is an illustration of the column-style format. It helps organize information into two different co

47、lumns. First, draw a vertical line. The left column should be drawn 1/3 the distance from the left side of the page, and the right column should be 2/3 from the right side of the page. Next, label the left column “Main Ideas”, and the right column “Notes”. In this way, the main content is arranged o

48、rderly and clearly.Unit 6 Part IIFor example:Unit 6 Part IIMain ideas1.2.3.NotesSupporting detailsl l l l Another popular format is the diagram format. First, draw a circle in the center of the page. Inside that circle, write the topic of the lecture (e.g. Are earthquakes really on the increase?). N

49、ext, draw a line branching out from the center circle. Then write the first section, or main idea, of the lecture (for example, reasons for the increase). Draw more circles branching out from that line containing important details which describe that main idea. A more formal version of this format i

50、s the flowchart（流程图流程图）.Unit 6 Part IIUnit 6 Part IIWhy have Earthquakes been increasing?Reasons forthe increase1.2.3. The outline format is another popular choice. To organize notes in this way, first, list the major concepts as the top-level points (I, II, III). Then list the main ideas (A, B, C)

51、as subordinate points. After that, place the aspects of the main idea in the order of 1., 2., 3. In this format, use indention（缩进缩进）and listing to ensure that these marks are clearly subordinate（附属附属）ideas. Traditionally, with each additional level, one alternates between numbers and letters (with t

52、he former, also between Roman numerals and Arabic numbers), and descends from capital letters to lowercase letters.Unit 6 Part IIFor example:I Earthquakes on the rise? A. Reasons for the increase 1. a. i. ii. iii. b. 2. a. 3. a. i.Unit 6 Part II B. 1. 2. 3.II. A. B. The best way to take good notes d

53、epends partially on the specific learning style of each student. Linear（线性的线性的）learners will likely take column-style notes, while visual learners may prefer the diagram method. The latter is also effective for students who have a difficult time staying focused in class. Students should experiment t

54、o find the format that works best for them.Unit 6 Part IImagnitude /mgntju:d/ n.震级震级seismograph /sazmgrf/ n.地震仪地震仪seismological /sazmldkl/ adj.地震学上的地震学上的undetected /ndtektd/ adj.未探测到的未探测到的Word BankUnit 6 Part II Word BankTask Listen to the following short passage and write down its main idea and rea

55、sons for the increase in earthquakes. Use the column-style format with shorthand symbols and abbreviations.TaskUnit 6 Part II TaskMain ideaReasons# of eq. located is # of seis. stations and impt. of global com. (=the increase of the number of earthquakes that are located is because of the increased

56、number of seismograph stations and improvements in global communications)_eq is , and eq of mg (=magnitude) 7.0 is constant.(=Earthquakes seem to be on the rise, and earthquakes of magnitude 7.0 or greater is constant.)_Unit 6 Part II Task【Script】Main ideaReasons2. 1931, 350 stations, today 8k stati

57、ons. (=in 1931, there were 350 stations, today, there are more than 8,000 stations.)Data comes in rapidly can locate eq. rapidly (=Datacomes in rapidly, which allow us to locate earthquakesrapidly.)_3. b/c imp. in com., and interest in env. and nat. dis, learn more. (=because of improvements in comm

58、unications and increasing interest in the environment and natural disasters, people are learning more about earthquakes.)_ScriptUnit 6 Part II Script Are Earthquakes Really on the Increase? We continue to be asked by many people throughout the world if earthquakes are on the increase. Although it ma

59、y seem that we are having more earthquakes, earthquakes of magnitude 7.0 or greater have remained fairly constant. A partial explanation may lie in the fact that in the last twenty years, we have defi nitely had an increase in the number of earthquakes we have been able to locate each year. This is

60、because of the tremendous increase Extensive Listening I News Reports II Interview III News Story IV Conversations V Passage Listening VI Compound DictationWord BankUnit 6 Part III I News Reports Iendangered /ndendd/ adj.濒危的濒危的Grey Nurse Shark灰色护士鲨灰色护士鲨influx /nflks/ n.流入，汇集流入，汇集susceptible /sseptbl