大學(xué)體驗(yàn)英語(yǔ)綜合教程1(第三版)-課文聽(tīng)寫(xiě)unit5ppt課件

Unit5 ReturntoMenu LISTEN TALK Turntop 88 andlet slisten Listentothefollowingpassageandtrytofilltheblanks Firsttime 2ndtime Checkup Whatareyourkeysourcesofinformation Doyougetmostofyourinformationbytalkingtootherpeople PeoplecouldalreadydothatintheStoneAge Whentheprintingpresswasinventedseveralhundredyearsago 1 sourcesbecameimportanttoanyonewhocouldread Nowweread2 andnewspapersasmuchaswereadbooks Butwealsogetalotofinformationfrom3 sources Radioisnotyet100yearsold 4 hasonlybeenpopularforabout50years andthe5 isyoungerthanallthestudentsinthisclass Yetthesearesomeofourfavorites Whatareyour6 Howmanydifferentsourcesofinformationdoyouuseinatypicalday Secondtime 3rdtime Checkup Whatareyourkeysourcesofinformation Doyougetmostofyourinformationbytalkingtootherpeople PeoplecouldalreadydothatintheStoneAge Whentheprintingpresswasinventedseveralhundredyearsago 1 sourcesbecameimportanttoanyonewhocouldread Nowweread2 andnewspapersasmuchaswereadbooks Butwealsogetalotofinformationfrom3 sources Radioisnotyet100yearsold 4 hasonlybeenpopularforabout50years andthe5 isyoungerthanallthestudentsinthisclass Yetthesearesomeofourfavorites Whatareyour6 Howmanydifferentsourcesofinformationdoyouuseinatypicalday Thirdtime Checkup Whatareyourkeysourcesofinformation Doyougetmostofyourinformationbytalkingtootherpeople PeoplecouldalreadydothatintheStoneAge Whentheprintingpresswasinventedseveralhundredyearsago 1 sourcesbecameimportanttoanyonewhocouldread Nowweread2 andnewspapersasmuchaswereadbooks Butwealsogetalotofinformationfrom3 sources Radioisnotyet100yearsold 4 hasonlybeenpopularforabout50years andthe5 isyoungerthanallthestudentsinthisclass Yetthesearesomeofourfavorites Whatareyour6 Howmanydifferentsourcesofinformationdoyouuseinatypicalday Nowlet stalk Withthehelpofthepictures discussthefollowingtopicswithyourpartner Informationfrompeers talks discussionsandlectures 1 Wheredoyougotogetyoureverydayinformation 2 Whatsourcesofinformationdoyouusuallyuseandwhy Withthehelpofthepictures discussthefollowingtopicswithyourpartner Informationfromexperiences practice experiments visitsandcollections 1 Wheredoyougotogetyoureverydayinformation 2 Whatsourcesofinformationdoyouusuallyuseandwhy Withthehelpofthepictures discussthefollowingtopicswithyourpartner Informationfrombooks newspapers TV radioandtheInternet 1 Wheredoyougotogetyoureverydayinformation 2 Whatsourcesofinformationdoyouusuallyuseandwhy Withthehelpofthepictures discussthefollowingtopicswithyourpartner Informationfromlibraries archives databasesandmuseums 1 Wheredoyougotogetyoureverydayinformation 2 Whatsourcesofinformationdoyouusuallyuseandwhy Task1 Task2 Dialogue1 Dialogue2 Turntop 90 andlet slistenandtalk Li Hi Tom Rememberme WemetafewmonthsbackatEnglishCorner Tom Sure hi Li Howhavethingsbeengoingsincewelasttalked Li Prettygood Iguess sure Ican tcomplainmuchbutIwonderifIcouldaskyouforsomeinformation IfIrememberrightyou reawizwhenitcomestothecomputer Tom Well let sjustsaythatIhavealotofinterestwhenitcomestousingorplayingwiththecomputer ActuallyIplanonmakingitmycareeronceIfinishuniversity SowhatcanIhelpyouwith Li WearetalkingaboutthedifferencesbetweenDirectoriesandVirtualLibrariesintheComputerScienceclass Doyouthinkyoucouldtellmeabitaboutthedifferences Dialogue1 SharingInformationTwostudentsmeetoncampusandhaveaconversationabouttheircomputerclasses Tom Surenoproblem I lltrytomakeitassimpleaspossible DirectoriesaretopicallistsofInternetresourcesarrangedinahierarchicalwayandalthoughtheyaremeanttobebrowsedbysubject directoriescanalsobesearchedbykeyword Theydifferfromsearchenginesinonemajorway thehumanelementinvolvedincollectingandmaintainingtheinformation Directoriesarecreatedandmaintainedbypeople whereassearchenginesrelyonspidersorrobotstoscourtheInternetforlinks Li Arethereanumberofdifferencesbetweendirectoriesaswell Tom Infact thereare Someofthosemajordifferencesare directoriescontainfewerresourcesthansearchenginedatabases manydirectoriesrate annotate orcategorizechosenresourcesanddirectoriesincreasetheprobabilityofretrievingrelevantresults Li Ohwowthatjustissocrazyandthatmakesdirectoriessomuchclearer Sowhataboutvirtuallibrariesandhowdotheyfigureintoinformationseeking Tom Asforvirtuallibraries thesearedirectorieswithresourcesthatlibrariansorcybrarianshaveorganizedinalogicalway Itishelpfultothinkofthesespecializeddirectoriesasbeingsimilartolibraries becausepeoplewhoarecommittedtofindingtheverybestresourcesontheInternethavecarefullyselectedandmaintainedtheresourcesinavirtuallibrary Thesepeopleusuallyrateoranalyzetheresourcesandarrangethemsotheycanbefoundeasily Li Thatwasveryhelpful Tom Justonelastquestion WhattypesofresourcesmightIfindinavirtuallibrary Tom Therearethreemajortypesofresourcesthatvirtuallibrariesaremostapttocontain subjectguides referenceworksandspecializeddatabases doesthisallhelp Li ThanksTom forsure sohowaboutbuyingyouacupofcoffee Turntop 91 andlet slistenandtalk Dialogue2 MeetingatEnglishCornerTomandLimeetagainatthenextEnglishCornerandcatchupwitheachother slifeoverthepastmonth Tom Li sogladtoseeyouagain Howhavethingsbeengoingwiththatcomputerscienceclass Haveyoufigureditoutyet Li Actually youknowsinceourlastconversationIhavebeendoingalotbetterinclassandfoundoutalotmoreaboutdirectoriesandvirtuallibraries MaybeIcouldteachyouathingortwo haha Tom Sowhathaveyoulearned Maybeyoucouldteachmesomething Li Well Ididlearnthattherearetwowaysoffindinginformationindirectories Youcanbrowsebysubjectorsearchbykeyword Inbrowsingyoujustclickonasubjectcategorythatyouthinkwillcontainwhatyouareseeking Thiswilltakeyoutoanotherlevelinthehierarchy whereyouwillchooseanothersubjectfromthelistofsubjectsthatappearonyourcomputerscreen Tom Exactly andthenyouexaminethechoicesthatarereturnedtoyouandselecttheonemostcloselyrelatedtoyourresearchtopic Afterthatyoucontinuethisprocessuntilyourscreenfillswithalistofresourcesthatyoucanthenexaminetofindtheinformationyouneed Li Wow Ishouldhaveknownyouknewallaboutbrowsing andshouldhaveinvitedyouforanothercoffeetosavemetheworkoffiguringitallout Tom NowayLi thatwouldbetooeasythen plusit sbettertofindoutusingyourownmethodssometimes makesthingsstick ifyouknowwhatImean Li YahIknow itwillbeeasierformetounderstand Tom Sowhattypesofdirectoriesareyouusingthen Li Well GooglehasbeenafavoriteaswellasYahoo HereisalsoHotBot Haveyouheardofthatone Ihavebeenusingthatonetofindresourcesaboutdistancelearningincollegesanduniversitiesabroad Tom Actually I mnotsofamiliarwithit butI llbesuretocheckitoutlaterwhenIgethome Li Wellfinally somethingIcouldteachyou Sohowaboutwejointheothersoverthere Soundslikeaninterestingconversationgoingon Campuslove Tom Nowthat sasubjectIneedsomehelpwith mylovelifesucks LiHuawantstoknowhowAmericanstudentsgettheinformationtheyneed SoheasksTom anAmericanstudent aboutit RoleA RoleB Situation RoleB Situation YouplayasLiHua RoleA LiHuawantstoknowhowAmericanstudentsgettheinformationtheyneed SoheasksTom anAmericanstudent aboutit Reference RoleA Situation YouareanAmericanstudent RoleB LiHuawantstoknowhowAmericanstudentsgettheinformationtheyneed SoheasksTom anAmericanstudent aboutit Reference Li I dliketostudyabroadsomeday SoIlookedatthewebsiteforyourcollege butitdoesn thavemymajor Tom It sjustasmallcollege somaybeyoushouldlookatsomelargeuniversities Li Dotheyallhaveattractivewebsiteslikeyourcollege Tom Ofcourse MostAmericanstudentsusewebsitestohelpchoosetheircollegesthesedays Li HowcouldIfindthebestprogramsinmymajor Tom Haveyoulookedatthenationalrankingsofthecolleges Theprogramsinsomeofthemajorsarealsoranked Youcouldtrytofindtheserankingsonwebsitestoo alongwiththewebsiteaddressesofthecolleges Task1 Task1 Li HowshallIstart Tom IfyouuseGoogle justtypein rankings collegeprograms andyourmajor Youmightalsotrysomeotherphraseslike universityprograms or academicprograms untilyousucceed Thenyoushouldaskthecollegestosendyoutheircataloguesandapplicationmaterials Li Thanks I llgiveitatry RoleB AnAmericanfriendiswritingatermpaperonafavoriteChinesepoet Buthecan tfindenoughrelevantmaterialsonChinesepoetsanddoesn tknowmanyoftheirnames SoheaskshisChinesefriend Li forsomehelp RoleA Situation RoleB Situation YouareLi andwillhelpyourAmericanfriend RoleA AnAmericanfriendiswritingatermpaperonafavoriteChinesepoet Buthecan tfindenoughrelevantmaterialsonChinesepoetsanddoesn tknowmanyoftheirnames SoheaskshisChinesefriend Li forsomehelp Reference Situation RoleA YouareanAmericanstudent comingtoLiforhelp RoleB AnAmericanfriendiswritingatermpaperonafavoriteChinesepoet Buthecan tfindenoughrelevantmaterialsonChinesepoetsanddoesn tknowmanyoftheirnames SoheaskshisChinesefriend Li forsomehelp Reference Task2 Jim Hi Li CanyouhelpmewithmytermpaperonChineseliterature Li Sure It sasubjectthatIreallyenjoy Jim IamsupposedtowriteaboutafavoriteChinesepoet ButIdon thaveone Doyou Canyouhelpmechooseoneformypaper Li Ilikelots