新视野大学英语第三版第一册第三单元Section B课件ppt幻灯片课件.ppt

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1、新视野大学英语第三版第一册第三单元Section B课件pptWarming-upLead-inLead-inBackground informationBackground informationToo much of a good thing Too much of a good thing A real addictionA real addictionSectionB1.AccordingtothesurveyofStanfordUniversity,howdoInternetaddictedpersonsusecomputers?Watch a video clip and answ

2、er the following questions.2.WhatstheexpertssuggestiontoInternetaddicts?Lead-inLead-inTipsTipsTipsTipsLead-inLead-inTheyspenttoomanywearyhoursinchatrooms,e-mailingandblogging,ultimatelytakingvaluabletimeawayfromthingslikefamily,workandevensleep.TheyarechoosingtobeontheInternetversuskindfriends,versu

3、sinteractingwithsomebody,versushavinghumancontact.1.AccordingtothesurveyofStanfordUniversity,howdoInternetaddictedpersonsusecomputers?ItshardtodenythatsomeInternetaddictedpeoplespendtoomuchtimeonlineandignorefamily,friendships,andsocialactivities.However,itsnotthattheydonthavefunontheInternetoruseit

4、fortheirprofession.Itsjustnotoverusingit.Lead-inLead-in2.WhatstheexpertssuggestiontoInternetaddicts?TipsTipsTipsTips1.WhatareIADanditssymptoms?2.If you have friends who have Internet addictiondisorder(IAD),howwouldyouhelpthem?Background informationBackground information1.WhatareIADanditssymptoms?IAD

5、isInternetaddictiondisorder,arealclinicaldisorder;Itreflectageneralstatementaboutexcessivecomputerusethatinterfereswithdailylife;Typical:onlinegaming,toomuchonlineshopping,toomuchonlinesurfing,andtoomuchinvolvementonsocialnetworkwebsites;Symptoms:beingontheInternetformorethan6hoursaday,andhavingreac

6、tionsofnervousnesswhentheInternetdoesntwork.Background informationBackground informationTipsTipsTipsTips2.IfyouhavefriendswhohaveInternetaddictiondisorder(IAD),howwouldyouhelpthem?Iwillhelpthem:1)tosettimelimits.Iwillsuggestthattheyshouldallowthemselvesalimitedamountoftimetospendonlineeachdayandfigh

7、tdownthedesireofcompulsiveactivities;2)tokeepthemselvesbusy.IwillhelpthemfindactivitiestokeeptheirmindofftheInternet.Gettogetherwithfriendstostudyorschedulesomefuntimetorelax,e.g.meetingfriends,takingupnewhobbies,doingsports.Background informationBackground informationTipsTipsTipsTips ReadingskillsP

8、resentation of the skillPresentation of the skillReading skill practiceReading skill practiceToo much of a good thing Too much of a good thing A real addictionA real addictionSectionBFactsFactsarearethingsthingsknownknownforforcertaincertaintotoexist,exist,ororbebe true,true,oror havehave happened.h

9、appened.OpinionsOpinions arearethingsthings believedbelieved toto exist,exist,bebe true,true,oror havehavehappened.happened.TheThe keykey differencedifference betweenbetween factsfacts andandopinionsopinions lieslies inin thethe differencedifference betweenbetweenknowingandbelieving.knowingandbeliev

10、ing.OpinionsOpinions maymay bebe basedbased onon facts,facts,butbut theytheyarearestillstillwhatwhatwewethink,think,notnotwhatwhatweweknowknowforforcertain.certain.OpinionsOpinions areare debatable;debatable;factsfacts arearenot.not.Presentation of the skillPresentation of the skillDistinguishing be

11、tween facts and opinionsAA simplesimple wayway isis toto askask questionsquestions likelike“Is“Isthisthis statementstatement debatable?”debatable?”andand“Is“Is thisthisknownforcertaintobetrue?”knownforcertaintobetrue?”IfIfyouyouansweranswer“yes”“yes”totothetheformerformerquestion,question,itit isis

12、anan opinion;opinion;ifif youyou answeranswer“yes”“yes”toto thethelatterquestion,itisafact.latterquestion,itisafact.Presentation of the skillPresentation of the skillDistinguishing between facts and opinionsDistinguishing between facts and opinionsPresentation of the skillPresentation of the skillEx

13、amples and Explanation:Example 1:With many schools offering wireless Internet access anywhere on campus,colleges as a group have become the most Internet-accessible spots in the world.(Para.3)Distinguishing between facts and opinionsPresentation of the skillPresentation of the skillExamples and Expl

14、anation:Example 2:With the widespread application of laptops and computer science,we are going to produce a generation of problem-solvers and intelligent thinkers,which is indispensable for the future of the world.(Para.12)Distinguishing between facts and opinionsPresentation of the skillPresentatio

15、n of the skillTheabovetwoexamplesareabouttheauthors judgment or opinion.Althoughthestatementsarebasedonfacts(e.g.“manyschoolsofferingwirelessInternetaccessanywhereoncampus”and“thewidespread application of laptops andcomputerscience”),theystillshowhowtheauthorthinksorfeels,sotheyarenotfacts.Distingui

16、shing between facts and opinionsPresentation of the skillPresentation of the skillInExample1,thewordmostshowsusthat this is the authors opinion orassumption.InExample2,thesentence“we are going to produce a generationof”indicates that this is what theauthorpredictsorhopes,notsomethingthatexistsorhash

17、appened.Therefore,thestatementsareopinions.Distinguishing between facts and opinionsPresentation of the skillPresentation of the skillExample 3:In a university class on the history of American radio,students use the iPad to record their own radio shows.(Para.5)Example 4:In fact,a recent study in the

18、 US found that information technology accounted for 5%to 8%of college budgets,up from an estimated 2%to 3%in the mid-1980s.(Para.7)Distinguishing between facts and opinionsPresentation of the skillPresentation of the skillExample 5:To compensate,it spent$500,000 to give every one of its 1,650 incomi

19、ng freshmen a free Apple iPad.(Para.8)Examples 3-5 provide exact statisticsanddetails;inotherwords,thestatementstelluswhatisknownforsuretoexistorhashappened.Therefore,theyarefacts.Reading Skill Practice:Reading Skill Practice:LookLook atat thethe followingfollowing statementsstatements fromfromTextT

20、ext BB andand decidedecide whichwhich areare factsfacts(F)(F)andwhichareopinions(O).andwhichareopinions(O).Presentation of the skillPresentation of the skillDistinguishing between facts and opinionsPreviewingReading skill practiceReading skill practice_ 1.Perhaps the greatest change theworldhasseeni

21、nmoderntimeshasbeentheriseoftheInternet._ 2.Its a great way to keep up withfriends._ 3.Internet access and the ability tomakegooduseofitispracticallyamust for success in the modernworld.QuestionsOOOReading skill practiceReading skill practice_ 4.A few years ago,a couple in theUnitedStateswaschargedw

22、ithchildneglect.It was their addiction toplayinggamesonlinethatkeptthemfrom caring for their two infantchildren._5.Anotherrecentnewsstorytoldofamanwhospentsomuchtimeonlinethathedidntsleepenoughtokeephisjob.PreviewingQuestionsFFReading skill practiceReading skill practice_6.Onestudentnotonlyfailed,bu

23、tlost12pounds._7.ItiseasyforthosewhoareunaffectedbythepowerfuldrawofconnectivitythosewhocaneasilycontroltheirtimeonlinetoviewInternetaddictionasanimaginaryproblemortoattributeitsoriginstoaweakpersonality.PreviewingQuestionsFOReading skill practiceReading skill practice_8.TheInternetisapowerfultool,b

24、ut make sure that you use itwisely forallthegoodvalueitoffersandthatyouwontlettoomuch of a good thing becomesomethingbad.PreviewingQuestionsOTextstudyText comprehensionText comprehensionLanguage focusLanguage focusCritical thinkingCritical thinkingToo much of a good thing Too much of a good thing A

25、real addictionA real addictionSectionBText comprehensionText comprehension1.Read the title of Text B and predict what is the authors mainpurposeinwritingthetext.2.WhatistheadvantageoftheInternetmentionedinParagraph1?(Para.1)3.WhydoestheauthorregardtheInternetasadouble-edgedsword?(Para.2)4.Why are ne

26、w college students most likely to get addicted to theInternet?(Paras.3-5)5.WhatkindofpeoplethinkInternetaddictionisnotarealproblem?(Para.6)6.What are mentioned in the text as circumstances under whichendorphinsmaybereleased?(Para.6)7.WhatcanwelearnaboutendorphinsandInternetaddictsfromthetext?(Para.7

27、)8.WhenshouldwetakeastepbackfromtheInternet?(Para.8)QuestionsPreviewing1.Read the title of Text B and predict what is theauthorsmainpurposeinwritingthetext.ToencouragestudentstousetheInternetwisely.Anythingthatistoomuchistroublesome.TheInternetisagoodthing,butifyourelyonittoomuchandevenbecomeaddicte

28、dtoit,itwillbecomeabadthing.TipsTipsTipsTipsText comprehensionText comprehension2.WhatistheadvantageoftheInternetmentionedinParagraph1?TheInternetmakeslifeeasier.Asatoolfordoingresearch,theInternetisbetterthananyothertools.TheInternetoffersagoodwaytokeepincontactwithyourfriends.Itgivesusagreatvariet

29、yofmediachoicesthatoffermanydifferentperspectivesonandinsightsintonewsandevents.TipsTipsTipsTipsText comprehensionText comprehension3.WhydoestheauthorregardtheInternetasadouble-edgedsword?(Para.2)Likepollutionandtrafficjamsthatcomewiththeconvenienceofcars,Internetaccesshasprovensopopularthatithasgiv

30、enrisetoanewkindofsocialepidemic,Internetaddiction.TipsTipsTipsTipsText comprehensionText comprehension4.WhyarenewcollegestudentsmostlikelytogetaddictedtotheInternet?(Paras.3-5)TipsTipsTipsTipsBecausetheyarenotwatchedbytheirparentswhenatcollege.Text comprehensionText comprehension原句：原句：New college s

31、tudents,even the brightest and most successful ones,are most at risk from these effects because the Internet is important for their studies and because they are just entering a world where their online habits are no longer monitored by concerned parents.（Para.5,L22）Sentence InterpretationText compre

32、hensionText comprehension解释解释:New college students,even the smartestandmostsuccessfulones,aremostlikelytobeinfluencedbythenegativeeffectsofthe Internet because the Internet isimportant for their studies and becausetheyarejustcomingintoanewenvironment where their anxious parentscant keep an eye on th

33、eir online habitsanymore.Sentence InterpretationText comprehensionText comprehension译文：译文：新入学的大学生，甚至是那些最聪明、最成功的大学生，受此影响的风险最大，因为互联网对他们的学业很重要，也因为他们刚刚进入一个新环境，他们的上网习惯不再受到关心他们的父母的监督。Sentence InterpretationText comprehensionText comprehension5.WhatkindofpeoplethinkInternetaddictionisnotarealproblem?(Para.

34、6)Those who can well manage their timespentonline.TipsTipsTipsTipsText comprehensionText comprehension原句原句：It is easy for those who are unaffected by the powerful draw of connectivity those who can easily control their time online to view Internet addiction as an imaginary problem or to attribute it

35、s origins to a weak personality.(Para.6,L28)Sentence InterpretationText comprehensionText comprehensionSentence Interpretation解释解释:Somepeoplearenotinfluencedbythestrongattraction of the Internet because they caneasilycontroltheirtimeonline.So,itiseasyforthem to consider Internet addiction as anunrea

36、lproblemortothinkaweakcharacteristherootcauseofInternetaddiction.Text comprehensionText comprehension译文：译文：那些不受网络巨大吸引力影响的人，也就是那些可以轻松控制上网时间的人，容易把网瘾问题看作是假想的问题，或者把网瘾的根本原因归咎于软弱的性格。Sentence InterpretationText comprehensionText comprehension6.Whatarementionedinthetextascircumstancesunder which endorphins

37、may be released?(Para.6)Whenwewinagame,whenweareinstant-messagingourfriend,orwhenwefindnewblogentries,etc.TipsTipsTipsTipsText comprehensionText comprehension7.Whatcan we learn about endorphins and Internetaddictsfromthetext?(Para.7)EndorphinsmaybereleasedcontinuouslyandforalongtimeinthebrainsofInte

38、rnetaddicts.WithInternetaddictionendorphins do nothing but keep peoplehookedtotheircomputers.TipsTipsTipsTipsText comprehensionText comprehension8.When should we take a step back from theInternet?(Para.8)WhenwestillthinkabouttheInternetwhenweareoffline.TipsTipsTipsTipsIt is about the authors judgmen

39、t or opinion.NoteNoteNoteNoteText comprehensionText comprehension解释解释:So keep an eye on how much time youspend online.Limiting and controlling yourtimeonlinecanprotectyoufromdevelopingInternetaddiction.译文：译文：所以，要留意你在网上花了多少时间。节制 是对抗网瘾的最好的防御方式。Sentence Interpretationkeep an eye on protect from 原句原句：So

40、 watch how much time you spend online;moderation is your best defense against Internet addiction.(Para.8,L47)Text comprehensionText comprehensionToo Much of a Good ThingA Real AddictionTheinternetisadouble-edgedsword.Itshardto deny the _ it adds topeopleslivesasitmakeslifeeasier.Likeanytechnology,th

41、ough,it has negative aspects,suchas_.Collegestudentsare _ severely without the disciplineandstructureofhome.WhatcausesInternetaddictionis_,whichsustainsvirtualrewardsfromthebrain.positive changesInternet addictionimpactedthe release of endorphinsText SummaryText comprehensionText comprehensionThese

42、rewards are _,doing nothing but keeping students so_thatithurtstheirstudies,orspoilstheirlives.WhatsthebestdefenseagainstInternetaddictionis_.Usethewonders of connectivity to enrich yourstudies,stay connected with distant andreal-lifefriendsandexplore_newworlds.The Internetis a powerful tool,butmake

43、surethatyouuseit_forallthegood value it offers and that you wont let_ of a good thing becomesomethingbad.simple stimulations involvedmoderationmultipleText Summarywiselytoo muchText comprehensionText comprehensionPractical phrasesLanguage focusLanguage focusPracticalPhrasesPracticalPhrasesSpecificSp

44、ecificMeaningsMeanings1.awealthofsth.丰富的2.Makeuseofsth.利用某物；使用某物3.Giverisetosth.引起；导致4.Keepsb.from(doing)sth.不让某人做某事5.Tellof 描述；叙述6.Aswell（除外）还7.Atrisk 处境危险；受到威胁丰富的丰富的(behometo/awealthof/traditionalmedicines)Chinaishometoawealthoftraditionalmedicines.a wealth of sth.短语逆译短语应用中国是大量传统医学的故乡。意群提示Practica

45、l PhrasesLanguage focusLanguage focus利用某物；利用某物；使用某物使用某物make use of sth.短语逆译(makingfulluseof/asnailhouse)Savingandmakingfulluseoflimitedspaceisamustoflivinginasnailhouse.短语应用蜗居需要节省并充分利用有限的空间。意群提示Practical PhrasesLanguage focusLanguage focus引起；导致引起；导致(giveriseto/feelingsofgoodwill/frowning/gloomy)Smil

46、ingcangiverisetofeelingsofgoodwill,whilefrowningmakesonegloomy.give rise to sth.短语逆译短语应用微笑可以让人心情大好；皱眉会让人变得郁闷。意群提示Practical PhrasesLanguage focusLanguage focus不让某人做某事不让某人做某事(amanofdetermination/keephimfrom/carryout)Heisamanofdetermination,sonothingcouldkeephimfromcarryingouthisplan.keep sb.from(doing

47、)sth.短语逆译短语应用他是一个意志坚定的人，没有什么可以阻止他实施他的计划。意群提示Practical PhrasesLanguage focusLanguage focus描述；叙述描述；叙述(Togivemecourage/tellof/unbearablyfreezingbaths)Togivemecourage,myfatherwouldtelloftheunbearablyfreezingbathshehadhimselfbeenthroughinhisyoungerdays.tell of短语逆译短语应用为了给我鼓劲，父亲会给我讲述他年轻时沐浴过的冰冷得难以忍受的冷水浴。意群提

48、示Practical PhrasesLanguage focusLanguage focus（除（除外）还外）还(sticktotheprinciples/beflexible/aswell)Weshouldsticktotheprinciplesandbeflexibleaswell.as well短语逆译短语应用我们既要有原则性，也要有灵活性。意群提示Practical PhrasesLanguage focusLanguage focus处境危险；处境危险；受到威胁受到威胁(savealife/atrisk/deserve)Ifyousavealifeatrisktoyourown,yo

49、udeservepraise.at risk短语逆译短语应用如果你冒着危险挽救了一条生命，那你是理应受到表扬的。意群提示Practical PhrasesLanguage focusLanguage focusFunctionalFunctionalPatternsPatternsFunctions&UsagesFunctions&Usages1.Itshardtodenysth./that“某事是不可否认的”，表示极大的意义肯定。2.Like,though,ithasaspects用于表达对于某一事物或事件的辩证分析。3.sb./sth.do/didnot+verb+because用于表示“

50、（人或事）的发生，但不是因为”。Functional PatternsLanguage focusLanguage focus句型提句型提炼我们难以否认网络给人们的生活带来的种种便利。通过网络，人们能够迅速地查到诸如地图、新闻和网上商店等，网络使生活变得简单。原句译文原句译文逆译练习逆译练习Its hard to deny thepositivechangesitadds to peoples lives as it makes lifeeasier with quick access to things likemaps,news,andonlinestores.(Para.1,L2)Fun