实用综合教程3(第二版)电子教案Unit.ppt

home Objectives Inthisunit youwill listentoapassageabouttheInternet readabouthowAmericanyoungpeopleuseinstantmessaging enlargeyourvocabularyrelatedtocomputersandtheInternet studydirectspeechandindirectspeech readaboutSteveJobsandhiswonderfulinventions readandwriteaproductdescription Objectives main ListeningandSpeaking TextA GrammarTips TextB ComprehensiveExercises PracticalReadingandWriting Warm up 1 TheInternetTheInternetismadeupofmanyinterconnectedcomputernetworks Eachnetworkmaylinktens hundreds oreventhousandsofcomputers enablingthem toshareinformationwithoneanother tosharecomputationalresources and tocommunicatewithoneanothereffectivelyandinexpensively Warm up BackgroundInformation Discussion BackgroundInformation Warm up AnindividualwhohasInternetaccesscan communicatedirectlywithanyoneelse makeinformationavailabletoothers findinformationprovidedbyothers orsellproductswithaminimumoverheadcost Warm up BackgroundInformation BackgroundInformation Discussion Warm up 2 TheuseoftheInternetCompanies individuals andinstitutionsusetheInternetinmanyways Companies Warm up TheuseoftheInternet electroniccommerce alsocallede commerce includingadvertising selling buying distributingproducts andprovidingcustomerservice business to businesstransactions suchasexchangingfinancialinformationandaccessingcomplexdatabases Warm up BackgroundInformation Discussion Businessesandinstitutions voiceandvideoconferencingandotherformsofcommunication onlinenewsandweatherservices Scientistsandscholars tocommunicatewithcolleagues doresearch distributelecturenotesandcoursematerialstostudents andpublishpapersandarticles Warm up TheuseoftheInternet Warm up BackgroundInformation Discussion Individuals communication entertainment findinginformation andbuyingsellinggoodsandservices Warm up TheuseoftheInternet Warm up BackgroundInformation Discussion 3 MobileInternetandMobileDevicesTheMobileInternetreferstoaccesstotheInternetfromahandheldmobiledevice suchasasmartphoneoratabletcomputer throughamobilenetworkorwirelessnetwork Warm up BackgroundInformation BackgroundInformation Amobiledeviceisalsoknownasahandhelddevice handheldcomputerorsimplyhandheld Itisasmall hand heldcomputingdevice typicallyhavingadisplayscreenwithtouchinput Discussion Warm up Question WhatcanwedoontheInternet TheInternetcanbeusefulinmanywaystoindividuals businesses andinstitutions Formoreinformation see TheuseoftheInternet intheBackgroundInformationsectionofthisunit Hints Warm up Discussion Discussion BackgroundInformation Warm up Youwillheararecordedpassage Afterthatyouwillhearfivequestions Boththepassageandthequestionswillbereadtwice Whenyouhearaquestion youshouldcompletetheanswertoitwithawordorashortphrase innomorethanthreewords 1 WhatistheInternet TheInternetisathatconnectsmillionsofcomputersworldwide network Listening ListeningandSpeaking Speaking Listening I Listening Script 2 WhatcanwedowiththeInternet TheInternethelpsmanypeoplecommunicate work learn and havefun Listening ListeningandSpeaking 3 Howdopeopleviewwebsites PeopleviewwebsitesusingcalledInternetbrowsers 4 WhatmakesusingoftheInternetquickerandeasier AdvancesinmakeusingtheInternetquickerandeasier computerprograms technology Speaking Listening 5 WhatishappeningwhenmoreandmorepeopleusetheInternet AsmoreandmorepeopleusetheInternet thegrows quantityofinformation Listening ListeningandSpeaking Speaking Listening Speaking ListeningandSpeaking DiscusswithyourpartnertheadvantagesandpossibleproblemsforyoungpeopleusingtheInternetandhowwecouldkeeptheproblemsundercontrol Inthespaceprovidedbelow listtheadvantages problems andsolutions Getreadytopresentyourmajorpointstotheclass II Speaking Speaking Listening 1 Advantages 2 Possibleproblems 3 Possiblesolutions Hints Hints Hints Speaking ListeningandSpeaking Advantages AdvantagesforyoungpeoplemakinguseoftheInternetmightinclude 1 learningthroughonlineeducationprograms 2 freedownloadingofbooks music andvideosforinformationorentertainment 3 makingfriendsfromdifferentplaces 4 readingthelatestnewstolearnwhat shappeningaroundtheworld 5 receivingtimelyinformation 6 playingexcitinggames etc Speaking Listening Speaking ListeningandSpeaking 2 Possibleproblems Possibleproblemsmightinclude1 becomingaddictedtotheInternetwhileneglectingeverythingelse 2 imitatingtheviolenceinonlinegames 3 safetyproblemsresultingfrommakingdeceptivefriendsonline 4 overindulgenceintheInternetleadingtocertainphysicalandmentalproblems etc Speaking Listening Speaking ListeningandSpeaking 3 Possiblesolutions Possiblesolutionsmightinclude 1 Parentsshouldkeepcomputersinacommonarea 2 Parentsmaylimittheirchildren stimeonline 3 Lawsshouldbemadetomakecommercialcomputerroomsimposeagelimitontheusersandlimittheuser stimeonline 4 Themostimportantthingisthattheyoungpeopleshouldrealizethedangerofindulgingthemselvesinnetgames Speaking Listening ListeningScript TheInternetisanetworkthatconnectsmillionsofcomputersworldwide Itwasoneofthegreatestinventionsinhumanhistory TodaytheInternethelpsmanypeoplecommunicate work learn andhave。