新视野大学英语第三版读写教程第一册unit3讲义文档格式.docx

新视野大学英语第三版读写教程第一册unit3讲义文档格式.docx

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Wi-FiWi-Fi（orWiFi）isalocalareawirelesstechnologythatallowsanelectronicdevicetoparticipateincomputernetworking.Itisdefinedasany“wirelesslocalareanetwork（WLAN）productbasedontheInstituteofElectricalandElectronicsEngineers’（IEEE）802.11standards”.However,theterm“Wi-Fi”isusedingeneralEnglishasasynonymfor“WLAN”sincemostmodernWLANsarebasedonthesestandards.ManymoderndevicescanuseWi-Fi,e.g.personalcomputers,video-gameconsoles,smartphones,digitalcameras,tabletsanddigitalaudioplayers.ThesecanconnecttoanetworkresourcesuchastheInternetviaawirelessnetworkaccesspoint.Suchanaccesspoint（orhotspot）cancoveranareaassmallasasingleroomwithwallsthatblockradiowaves,oraslargeasmanysquarekilometersbyusingmultipleoverlappingaccesspoints.Wi-Fiallowscheaperdeploymentoflocalareanetworks（LANs）.SpaceswherecablescannotberuncanalsohostwirelessLANs.Manufacturersarebuildingwirelessnetworkadaptersintomostlaptops.ThepriceofchipsetsforWi-Ficontinuestodrop,makingitaneconomicalnetworkingoptionincludedinevenmoredevices.Differentcompetitivebrandsofaccesspointsandclientnetworkinterfacescaninter-operateatabasiclevelofservice.ManytraditionaluniversitycampusesinthedevelopedworldprovideatleastpartialWi-Ficoverage.CarnegieMellonUniversitybuiltthefirstcampus-widewirelessInternetNetworkatitsPittsburghcampusin1993.ByFebruary1997theCMUWi-Fizonewasfullyoperational.ManyuniversitiescollaborateinprovidingWi-Fiaccesstostudentsandstaffthroughtheeduroam（educationroaming）internationalauthenticationinfrastructure.LaptopAlaptop（alsoknownasanotebook）isaportablepersonalcomputerdesignedformobileusesmallenoughtositonone’slap.Alaptopismadeupofalargenumberofcomponentsthatallmustfunctionwellinorderforyourcomputerexperiencetobecomplete,whichincludeadisplay,akeyboard,apointingdevice（atouchpad,alsoknownasatrackpad,and/orapointingstick）,speakers,aswellasabattery,intoasinglesmallandlightunit.Mostlaptopsaredesignedintheflipformfactortoprotectthescreenandthekeyboardwhentheyareclosed.Andmodern“tablet”laptopshaveacomplexjointbetweenthekeyboardhousingandthedisplay,permittingthedisplaypaneltotwistandthenlayflatonthekeyboardhousing.Theyusuallyhaveatouchscreendisplayandsomeincludehandwritingrecognitionorgraphicsdrawingcapability.Laptopswereoriginallyconsideredtobe“asmallnichemarket”andwerethoughtsuitablemostlyfor“specializedfieldapplications”suchas“themilitary,theInternalRevenueService,accountantsandsalesrepresentatives”.Buttoday,therearealreadymorelaptopsthandesktopsinbusinesses,andlaptopsarebecomingobligatoryforstudentuseandmorepopularforgeneraluse.Smartphonewritingonblackboardreducingefficiency.Multimediaclassroommorevividteachingmaterials;studentsbetterengagedinclassroomlearning.toomanydistractionswithtoomanypicturesandvideosinmultimediaclassrooms.Studyingonlineinthedormbeingabletochoosewhenandwhatyouwanttolearn;easyaccesstothewiderangeofonlineinformationmakingiteasierforstudentstocopyanswersfromtheInternet;lackofface-to-facecommunicationbetweentheteacherandstudent;Asmartphone（orsmartphone）isamobilephonewithanoperatingsystem.ThemajorityofsmartphonesrunonAppleiOSorGoogleAndroid,andmanyothersuseWindowsPhoneorBlackBerryOS.Smartphonestypicallyincludethefeaturesofaphonewiththoseofotherpopularmobiledevices,suchaspersonaldigitalassistantsandGPSnavigationunits.Usuallytheyhaveatouchscreeninterfaceandcanrun3rd-partyapps.Withasmartphone,onecannotonlymakephonecalls,butalsosendandreceiveemails,andeditOfficedocuments.Butwhatmakessmartphonessopopularisthattheycanaccessthewebathigherspeeds,thankstothegrowthof3Gand4Gdatanetworks,aswellastheWi-Fisupport.Butasthetechnologyisconstantlychanging,whatconstitutesasmartphonetodaymaychangebynextweek,nextmonth,ornextyear.Staytuned!

3.Pre-readingActivities（Compounddictation）1）ThisistheVOASpecialEnglishEducationReport.Butitalsodependsontheinterestand___________oftheteachers,andthegoalsandbudgetsoftheschools.Schoolsarealmostall_____________totheInternet.Butsomehavemoretechnology,anduseitmore,thanothers.Forexample,someschoolsusecomputersfor_____________likevideoconferencing,tobringtheworldintotheclassroom.Andsomeclassrooms___________________thingslikeaSmartBoard,akindofinteractivewhiteboard.Interactivewhiteboardsarelarge___________forpresentations.Theyconnecttoacomputerandcan___________bytouch.Theycanbeusedfordocumentsorwritingorto________video.Someteachersaretrying_________newwaystoteachwithdeviceslikeiPodsandmobilephones.Buteducatorssaythemostimportantthing,asalways,isthe________.2）YouarelisteningtoAsItIs,fromVOALearningEnglish.I’mCatherineCole.Americancollegesarefacingwhatsomepeoplearecallinga“______________”ofproblems.Collegecostsarerising,andtherearenotenoughjobsforallthestudentscompletingstudyprograms.Yet___________saytheycannotfindenoughworkerswithtechnicalskills.Findingasolutiontotheseproblemscanbedifficult.But,asAviArdittireports,onesolutionmaybefoundinthe___________numberandqualityofonlineclasses.Suchclassesmight____________collegesthewaytheInternethasalreadychangedmusic,publishing,salesandotherbusinesses.3）.DoyouthinktheInternetisindispensableinteachingandlearningnowadays?

Whyorwhynot?

TheInternetisindispensable:

getaccesstothelatestdevelopmentofteachingandlearning;enjoymanyinterestingonlinecoursescommunicatewithteachersafterclassTheInternetisnotindispensable:

teachingandlearninghavebeencarriedoutlongbeforetheInternetcameintobeing;teachingandlearningcouldsurelycontinuewithouttheInternet.2.BackgroundInformation（教参p）5.Hercenteris__________ofmanyacrossthecountry–anon-profitorganizationthatcaresforabout50children.6.Thosewhohavean____________complexfeelthattheyareoflessworthorimportancethanothers.7.Hisgoodpersonalitymadehimpopularwithhis________.8.Thisinexpensiveartprojectoriseasytouse,lightinweight,__________andgivesasharpimage.9.Pleasesitdownand_________whyyoufeelsoupset.10.Thehoteloffersahighstandardofserviceatvery____________rates.II.VocabularyStudy1.transformvt.使改观，使变形，使转化Theyweretryingtheirbesttotransformtheiruniversityintoatopschoolinthecountry.Increasedpopulationhastransformedthelandscape.Atmostcolleges,aprofessoror___________________givesalecturetostudents,whothendoresearch,study,andhomeworkalone.Studentand__________JohnHabersaysonlineclasseschangeeverythingaround.“They’rewatchingthelecturesathomeashomework,recordedlectures,andthenwhentheygettoclass,they’rehavingmoreactivediscussions,or______________withtheteachersorworkingonprojects.”Expertssaythenewtechnologywillhaveamajoreffectoncolleges.Somepredictfutureclassesmaybea__________ofonlinelecturesandprofessorshelpingstudentsworkthroughdifficultproblemsinperson.GeorgetownUniversity_________________TonyCarnevalesayshewouldwelcomethesechanges.Hesaysacollegeeducationhastobeless_________andleadtoskillsneededbyemployers.I’mAviArditti.I’mCatherineCole.That’sourshowfortoday.4.Topic-centeredstudyofnewwordsandtheiruse1.Uponcompletionofthiscourse,thesuccessfulstudentwillbeabletowritea____________Androidapp.2.Discussionsforthisyear’s_________arelikelytoincludehigherfuelcharges.3.Iusedtohavea__________aboutmylooks.4.Janewaspartofateamthathadstruggledhardtofinishadifficult____________.Thisadvertisementisatypicalexampleoftheirmarketingstrategy.这则广告是他们营销策略的一个典型例子。

3.accessn.享用权，享用机会，可以进入have/get/gainaccesstoStudentsandfacultyintheuniversityhavefreeaccesstothecomputerlab.大学的学生和教职员工可以免费使用那个机房。

Thepolicemanagedtogainaccesstotheroomttransformationn.（彻底的）改变，改观Inrecentyears,themovieindustryhasundergoneadramatictransformation.近些年，电影业经历了巨大的变革。

transformern.变压器Itisalsothenameofamovie,doyouknow?

2.typicala.典型的；有代表性的typicalBritishweather典型的英国天气Thispaintingistopicalofhiswork.这幅画是他的典型作品thepossibilityforstudentstodevelopInternetaddiction.2）.Whichwaydoyouprefer?

Giveyourreasons.Ipreferthemultimediawayoflearning:

itisvividwithteachingmaterialspresentedindifferentwaysComparedwithtraditionalclassroom,itismoreinteresting.Iprefertostudyonline:

managemyowntimehavemyownpropertiesdothingsatmyownpace