最新最新21世纪大学英语基础版第一册Unit5课件.ppt

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1、Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishUnit5-main1I.ObjectivesII.Suggested Teaching PlanIII.Background InformationIV.Class PresentationUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishUnit5-main2Part IListeningPart II ReadingPart III SpeakingPart IV Translatio

2、n&WritingPart V Time to RelaxVideo Exercises for U5-Workbook 1Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishFrom studying this unit,students are expected toObjectives 1I.Objectives1.2.3.4.realize the importance of being friendly to environment;gain ease and familiarity with the the

3、me-related expressions and their functional structures;understand the main idea of Text A and Text B,as well as master the useful sentence structures and words and expressions found in the two texts follow-up exercises;memorize the useful sentences in the texts and be able to reproduce them when nee

4、ded;Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College English5.be able to read notices and understand how to follow the instructions stated in them；6.be able to write thank-you notes;Objectives 2I.ObjectivesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishII.Suggested Teaching

5、Plan for Unit 5Suggested Teaching Plan for Unit 1TimeContentsPlan1 periodTheme-related ListeningSection 1&2A.B.C.D.E.Ask students to guess what the topic is for today,based on the vocabulary box;Now play the short talk once,or twice if necessary,and ask the class to complete the three statements tha

6、t follow,according to the directions given;Next,briefly discuss the three statements to explore the short talks main idea;Afterwards,play the short talk again for details so that students can fill in the blanks in the text excerpt;Lastly,make a list of expressions useful for discussing environment p

7、rotection.Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishSuggested Teaching Plan for Unit 2TimeContentsPlanSection 3,4&5A.B.C.D.E.Transit meaningfully and smoothly from the short talk into the two dialogues,keeping the theme in mind;Focus on the word LED while handling the vocabular

8、y box;Now play the first dialogue once,or twice if necessary,and,as a way to explore its main idea,ask students to decide whether each of the three statements is true or false;Next,play the first dialogue again for details so as to activate a discussion based on the questions;Draw students attention

9、 to the useful expressions they have learned in the vocabulary box;Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishSuggested Teaching Plan for Unit 3TimeContentsPlan1 periodTheme-related ListeningF.Then play the second dialogue once,or twice if necessary,and ask students to do the li

10、stening comprehension exercises;Afterwards,check the answers in a meaningful way,i.e.,not simply by calling out the correct choices but by offering relevant information.3 periods A Brief Review of Theme-related ListeningReviewA.B.First,briefly review what students learned in the first period;Next,ra

11、ise various questions with the students to facilitate review and enhance communication.Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishSuggested Teaching Plan for Unit 4TimeContentsPlanAfter finishing the listening tasks,the teacher turns to Text A of the unit.To begin,the teacherSta

12、rterA.B.asks the students to make a list of green energy sources and describe the uses we make of each;gives the students 10 minutes to read Text A and then describe which method for warming or cooling our buildings in the different seasons the writer has talked about.Unit 5 Green Living21世纪大学英语（S版）

13、综合教程121st Century College EnglishSuggested Teaching Plan for Unit 5TimeContentsPlanThe teacherText AA.B.discusses the whole text with the students;guides the students through the exercises,focusing on certain ones while leaving others as homework,depending on students levels.2 periodsThe teacherA.as

14、ks the students to go over the text and do the subsequent multiple choice questions;Text B,Text C&Text-related Exercises Text BUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishSuggested Teaching Plan for Unit 6TimeContentsPlanB.C.has the students do the vocabulary exercises either in

15、class or after class.1 period SpeakingThe teacherA.has the students relate the useful expressions to the theme of the text,asking them to make a list of their own and then speak out in class;while discussing the text with the students,calls the students attention to the use of gerundial phrases;Text

16、 C This text should be read by the students themselves as their homework or as fast-reading in class.Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishSuggested Teaching Plan for Unit 7TimeContentsPlanB.C.requests the students to read loud the dialogue before doing the role-play(indepe

17、ndent of the script);encourages students to use the language they have learned from the texts in the exercise of monologue.1 periodTranslation and Writing,Time to Relax&WorkbookThe teacherA.B.leaves the sentence translation exercise as the students homework;helps the students learn how to write than

18、k-you notes in English by doing the first exercise in Practical Writing,and then requires them to do the next two exercises after class;Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishSuggested Teaching Plan for Unit 8TimeContentsPlanC.D.plays the song“Solar Energy”in class and has t

19、he students fill in the blanks in the lyrics(this can be done as homework if there isnt much time left in class);if possible,plays the Workbook video in class and has the students do the exercise based on the video.Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishGreen building Green

20、building is a structure designed and built in a way that limits its harm to the environment.Green building can also refer to the principles and guidelines builders and architects use in making such buildings.Green buildings typically use energy,land,and water more efficiently than do other buildings

21、 and produce less waste and pollution.Their builders often choose materials that are recycled,that are made using few toxic chemicals,or that can be obtained from nature sustainably that is,without causing lasting damage.The construction and operation of a building can harm the environment in many d

22、ifferent ways.The makers of green buildings try to reduce a buildings impact in all possible ways.In terms of location,for example,the construction of aGreen building 1Unit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishGreen building 2building can disturb or displace wildlife.The maker

23、of a green building might take care to choose a building site with few wild inhabitants.In terms of energy,designers might lower carbon dioxide emissions by installing solar panels to generate energy,reducing the need for fossil fuels.The roots of the green building movement can be traced to the 197

24、0s.During that time,political disagreements led to a temporary fuel shortage in the United States and Western Europe.The shortage caused many governments to adopt building codes that called for increased energy efficiency.Starting in the 1990s,several organizations established green building guideli

25、nes to assist and encourage interested builders and architects.Government engineers in the UnitedUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishGreen building 3Kingdom created the first guideline system,the Building Research Establishment Environmental Assessment Method(BREEAM).In 1

26、998,a non-profit organization called the U.S.Green Building Council created the Leadership in Energy and Environmental Design(LEED)Green Building Rating System.Buildings that meet LEED guidelines are given awards ranging from Certified,the lowest rating,to Silver,Gold,and Platinum,the highest rating

27、from Worldbook 2010)Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishPart IListening1.Listen to the upcoming short talk and then fill in the blanks in the sentences that follow with two or three words.First getti

28、ng to know the useful language below might be helpful.Part IListening 1.1Useful Languagecall for要求要求carbon footprint碳足迹（二氧化碳排放量）碳足迹（二氧化碳排放量）reduce /u/vt.减少减少urbanization/n.城市化城市化turn a blind eye to 对对熟视无睹熟视无睹1Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living2

29、1世纪大学英语（S版）综合教程121st Century College EnglishUseful Language extreme weather极端天气极端天气activity/n.活动活动planet/n.星球星球up to在于在于,取决于取决于go green要有环保意识，保护环境要有环保意识，保护环境for the sake of为了为了breathe/vt.呼吸呼吸provide for 为为提供提供Part IListening 1.2Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesU

30、nit 5 Green Living21世纪大学英语（S版）综合教程121st Century College English1)Both the Beijing Olympics and the Shanghai Expo called for .2)The problem is that our cities are growing bigger and bigger,and thus .3)Nothing is than to save our planet.green life_Script:warmer and warmer_more important _Part IListeni

31、ng 1.3-scriptTranslation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College English Script:Hi,everybody,Both the Beijing Olympics and the Shanghai Expo called for“green life.”How about your carbon footprint today?What have you done to

32、reduce it?China is a big country with a large population.As in many other countries,urbanization is growing rapidly in China,which means more and more people are moving to the cities.As a result,the cities are getting bigger,and thus warmer.Today,nobody can turn a blind eye to such things as weather

33、 change,global warming,sea level rise,and extreme weathers.As you know,such things have much to do with our human activities.So we cant go on like this.Nothing can be more important than to save our planet.This is the only planet on which we live.Listening1.4Translation&WritingSpeakingReadingListeni

34、ngTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishScript:What should we do then?This is a question to all of us.It is up to each and every one of us to“go green.”Lets live a low-carbon life,and reduce our carbon footprint for the sake of our planet and for

35、 ourselves.Nobody can give up breathing,drinking and eating.But well have nothing if our planet cannot provide for us.Listening1.5Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishHi,everybody,Both the Beijing Olymp

36、ics and the Shanghai Expo called for“green life.”How about your carbon footprint today?What have you done to 1)?China is a big country with a large population.As in many other countries,urbanization is 2)in China,which means more and more people are moving to 3).As a result,the cities are getting bi

37、gger,and thus warmer.2.Listen to the short talk again and fill in the blanks below with the missing words.reduce it_growing rapidly _the cities_2Part IListening 2.1Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishP

38、art IListening 2.2 Today,nobody can 4)to such things as weather change,5),sea level rise,and extreme weathers.As you know,such things have much to do with our human activities.So we cant go on like this.Nothing can be more important than to 6).This is the only planet on which 7).What should we do th

39、en?This is a question to all of us.It is up to each and every one of us to 8)“.”Lets live a low-carbon life,and reduce our carbon footprint 9)and for ourselves.Nobody can 10)breathing,drinking and eating.But well have nothing if our planet cannot provide for us.turn a blind eye _global warming_save

40、our planet_we live_go green_for thesake of our planet _give up _Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College English3.In the upcoming conversation,Christine and Charles are talking about a new light source.Listen to t

41、hem and then decide whether the conversation-based statements below are true or false.First getting to know the following useful language might be helpful.LEDemit/vt.diode/n.semiconductor/n.increasingly/ad.light source Part IListening 2.3Useful Language=light-emitting diode 发光二极管发光二极管散发散发二极管二极管半导体半导

42、体越来越多地越来越多地光源光源3Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College Englishremind/vt.unforgettable/a.Thats for sure.electricity/n.switch/n.I cant imagine.environment-friendly /a.defnitely/ad.Part IListening 2.4Useful Languag

43、e使想起使想起难忘的难忘的那是毫无疑问的。那是毫无疑问的。电电转变转变很难想象。很难想象。环保的环保的明确地，一定明确地，一定Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College English1)2)3)TFPart IListening 2.5_Charles says that Expo 2010 Shanghai China is a good example of increasing

44、ly used LEDs,a new kind of lighting.Christine found the LEDs at the Expo site wonderful.Both Charles and Christine are already living low-carbon lives with LEDs.T_Script:Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College En

45、glishScript:Did you say LED?What do you mean by that?Its the short form for light-emitting diode.I dont get it.Whats that?Well,a LED is a semiconductor light source.Everywhere,LEDs are increasingly used for lighting.Expo 2010 Shanghai China is a good example.Oh,I see.You just reminded me of my trip

46、to the Expo site.The lights were beautiful that evening.They were colorful and intensely bright.It was a really unforgettable trip.I bet it was.By the way,do you know how much electricity LEDs can save?Christine:Charles:Christine:Charles:Christine:Charles:Part IListening 2.6-scriptTranslation&Writin

47、gSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishPart IListening 2.7-scriptI cant imagine.But from what you said,I can tell the future of lights relies on LEDs.Yeah,the switch is already happening.In time,Im sure their use will be e

48、ven wider.Youve got to be right.They are really environment-friendly.Thats so important!Yes,they are.We can definitely live a more low-carbon life with them.It sure is a good step in the right direction.Christine:Charles:Christine:Charles:Christine:Translation&WritingSpeakingReadingListeningTime to

49、RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College English4.Listen to the conversation again and then answer the following questions.It is LED._1)What is the short form for light-emitting diode?They are increasingly used for lighting._2)What does Charles say about LEDs?Beca

50、use the LED lights were beautiful,colorful and bright._3)Why does Christine say that it was a really unforgettable trip to the Expo site?Part IListening 4.14Translation&WritingSpeakingReadingListeningTime to RelaxVideo ExercisesUnit 5 Green Living21世纪大学英语（S版）综合教程121st Century College EnglishThey can