unit4 sectionA.ppt

NewHorizonCollegeEnglishBook4新视野大学英语4,SchoolofForeignStudies外国语学院Unit4,UnitFourSectionATheTelecommunicationsRevolution,Warm-upWatchandDiscuss:1.Howmuchdoyouknowabouttelecommunications?Itsdevelopment?Thedevices?2.Whatimpactdoesthetelecommunicationsdevelopmenthaveonourlife?,WatchandDiscuss,Familiarizethepossibletelecommunicationstools!,Discusswithyourpartnerandlistasmanyhigh-techproductsaspossible!,intheoldsociety:驿(Horse),钟鼓(drum)、烟火(smoke,fire)、鸽子(pigeon)、旗语(flagsignal)、狼烟(smokesignal)、letters,postoffice,inthemodernsociety:电报(telegram)、电话（telephone）、电子邮件(e-mail)、短信(instant-messaging)、电视电话会议（teleconference）、手机（mobilephone）、BP机、电脑(computer)、传真(fax),discussion,1.Tips,telegram,fax,Internetandemail,satellite,Informationsuperhighway,2.TipsAdvantages:conveniencesinmylife;possibletocommunicatewithothersatanytimeandanyplaces;accesstoendlessamountofinformation;Side-effectsReadfewerbooks.Engageinfewersocialactivities.Communicatelesswithinthefamilyandfeelmorelonelyanddepressed.Getlostovertheendlessamountofinformation.,videoconference,Onlineshopping,blog,E-learning,BackgroundInformation,TheInformationAgeisaneraoffundamentalandglobalchangeinintellectual,philosophical,culturalandsocialterms.TodaysInformationAgebeganwiththetelegraph.Itwasthefirstinstrumenttotransforminformationintoelectricalformandtransmititreliablyoverlongdistances.NewtechniquesofencodinganddistributingdigitalinformationarepromotingtheprogressoftheInformationAgethroughoutsociety.,InformationAge,InformationSuperhighwayThisisanamefirstusedbyformerUSvice-presidentAlGoreforthevisionofaglobal,high-speedcommunicationsnetworkthatwouldcarryvoice,data,video,andotherformsofinformationallovertheworld,andthatwouldmakeitpossibleforpeopletosende-mail,getup-to-the-minutenews,andaccessbusiness,governmentandeducationalinformation.,Manydevelopingcountriesareplanningto_vastsumsofmoneyintheirtelecommunicationsnetworkstoallowthemto_,inrespectofthetransferofinformation,withdevelopedcountries.Theybelievethiswill_foreignanddomesticinvestment.Chinaplanstospend$100billiononthebasic_toallowittobecomeanimportantpartoftheinformationsuperhighway.,WarmingUp,SpotDictation,Shanghaiplanstobeas_advancedastheCityofNewYorktohelprealizeitsdreamofbecominga_financialcenter.Someexperts_,however,thatsomedevelopingcountriesaretryingtodotoomuchtoosoon.Vietnam,in_,whilebeingextremely_andlackingenoughtelephonesofanytype,is_toinvestinthemostexpensiveandnewesttechnology.,electronically,major,fear,particular,underdeveloped,determined,WarmingUp,invest,compete,promote,facilities,Contents,NewWords,NewWords,NewWords,NewWords,NewWords,NewWords,单词学习,课文分析,课文学习,随笔,NewWords,boost:v.toincrease;raise增加；提高promotevigorously;helporencourage(sb./sth.)促进，改善，激励,I.NewWords,Thecompanyboosteditssalesthisyear.,Example,拉拉队长以歌声鼓舞他们的士气。,这家公司今年的销售量增加了。,Cheerleadersboostedtheirmoralebysong.,2.parade:Alineofpeople,vehicles,etc.movingforwardinorder,oftenasacelebrationofsomeevent游行Aseriesofpeopleorthingsthatseemsnevertoend一连串，一系列,I.NewWords,Example,TheMacysThanksgivingDayParadehaskickedoffinNewYork.,TheparadeopenedwithSnoopy.Asalways,SantaClausmadeanappearanceattheparade.,2.parade:Alineofpeople,vehicles,etc.movingforwardinorder,oftenasacelebrationofsomeevent游行Aseriesofpeopleorthingsthatseemsnevertoend一连串，一系列,I.NewWords,Example,AparadeofpeoplesaidthatMr.Davishadshotapoliceman.,一干人声称戴维斯先生枪击了一名警察。,3.condense:V.makesth.shorterorsmaller缩短；压缩(causesth.to)changefromgasorvapourtoaliquid凝结；冷凝,I.NewWords,Hemanagedtocondensehisletterofapplicationtoonepage.他设法将他的申请信压缩成一页。,Example,蒸气接触到冷的表面就凝结成水。,Steamiscondensedintowaterwhenittouchescoldsurfaces.,4.economic,Stronginmathematics,Economyinrecession,Installingoptionalfiber;,Strategicplan;,Pump$40billionintheproject,Para4Russia,Para.4Still,thereslittledisputethatcommunicationswillbeakeyfactorseparatingthewinnersfromthelosers.ConsiderRussia.Becauseofitsstrongeducationalsysteminmathematicsandscience,itshouldthriveintheInformationAge.Theproblemisitsnationalphonesystemisarustingantiquethatdatesfromthel930s.Tolickthisproblem,Russiaisstartingtoinstallopticalfiberandhasastrategicplantopump$40billionintovariouscommunicationsprojects.Butitseconomyisstuckinrecessionanditbarelyhasthemoneytoevenscratchthesurfaceoftheproblem.,Thereislittledispute/doubtthat:毋庸争辩，毋庸置疑,解决问题,A.Languagepoints,1.topump/pour/o:向投入注入,教育不是一个向学生头脑中灌输事实的问题，而是一个挖掘其潜能的问题。,Example,Educationisnotamatterofpumpingfactsintostudentsminds,butamatterofworkingouttheirpotentials.,A.Languagepoints,2.bestuckin:beinanunpleasantsituationandunabletochangeitorgetawayfromit陷入，困住,这辆公交车陷在了泥里。,Example,Thebusisstuckinthemud.,Hewasstuckawkwardlyinthemiddle.,他处于进退两难的尴尬境地。,A.Languagepoints,3.scratchthesurface:dealwithonlythesimpleorobviouspartsofsth.仅触及表面；浅尝辄止,Thefamineissobadandaidcanonlyscratchthesurface.饥荒十分严重，援助也只是杯水车薪。scratchthesurfaceoftheproblem仅触及问题表面,Example,Country:,Situation:,_,Solutions:,_,_,China,Backwardness;,Newtechnologiesbecomingcheaper,Digitalswitchesandhigh-capacityopticalfiberlinksincapitalcities;,Majorpartsoftheinformationsuperhighway;,TurningShanghaiintoatopfinancialcenterwithpowerfulnetworks,Para5MainlandChina,Para.5ComparethatwiththemainlandofChina.Overthenextdecade,itplanstopoursome$100billionintotelecommunicationsequipment.Inaway,Chinasbackwardnessisanadvantage,becausetheexpansionoccursjustasnewtechnologiesarebecomingcheaperthancopperwiresystems.Bytheendof1995,eachofChinasprovincialcapitalsexceptforLhasawillhavedigitalswitchesandhigh-capacityopticalfiberlinks.Thismeansthatmajorcitiesaregettingthebasicinfrastructuretobecomemajorpartsoftheinformationsuperhighway,allowingpeopletologontothemostadvancedservicesavailable.,pump/pour/o:,toacertainextent;partly,A.Languagepoints,logonto:togetaccessto(Internet)登陆，进入（系统）,Example,Anyonecanlogontothiscomputer.,任何人都可以登录这台计算机。,Para6Shanghai,Para.6TelecommunicationsisalsoakeytoShanghaisdreamofbecomingatopfinancialcenter.Toofferpeakperformanceinprovidingtheelectronicdataandpaperlesstradingglobalinvestorsexpect,ShanghaiplanstelecommunicationsnetworksaspowerfulasthoseinManhattan.,best,Country:,Situation:,_,Solutions:,_,_,Hungary,700,000peoplearewaitingforphones;,Problemoffunds;,Solda30%staketotwoWesterncompanies;,Leasedrightstobuildandoperateadvanceddigitalmobilesystems;,Speedupphonesystembymeansofwireless,Businessesaccepthigh-pricewirelessservice,Para7Hungary,Para.7aMeanwhile,Hungaryalsohopestojumpintothemodernworld.Currently,700,000Hungariansarewaitingforphones.TopartiallyovercometheproblemoffundsandtospeedtheimportofWesterntechnology,Hungarysolda30%stakeinitsnationalphonecompanytotwoWesterncompanies.,WhathasHungarydonetoquickenitsstepsintothemodernworld?,Para7Hungary,Para.7bTofurtherreducethewaitinglistforphones,HungaryhasleasedrightstoaDutch-Scandinaviangroupofcompaniestobuildandoperatewhatitsayswillbeoneofthemostadvanceddigitalmobilephonesystemsintheworld.Infact,wirelessisoneofthemostpopularwaystogetaphonesystemupfastindevelopingcountries.Itscheapertobuildradiotowersthantostringlinesacrossmountainridges,andbusinesseseagerforreliableservicearewillingtoacceptasignificantlyhigherpricetagforawirelesscallthefeeistypicallytwotofourtimesasmuchasforcallsmadeoverfixedlines.,租借，出租,Whyiswirelessoneofthemostpopularwaystoboostaphonesystemindevelopingcountries?,1.timesasas:是的倍,这本书是那本书篇幅的三倍。,Example,Thisbookisthreetimesaslongasthelengthofthatone.,Country:,Situation:,_,Solutions:,_,_,LatinAmerica,Wirelessdemandandusage:explode,Reason:Latincustomerstalklongeronthephone;,Haveoperationsofwirelessservice;,BellsouthCorporation:annualrevenuepercustomerisabout$2,000($860inU.S),Wirelessmarket:money-makingbusiness,Para8LatinAmericancountries,Para.8WirelessdemandandusagehavealsoexplodedacrosstheentirewidthandbreadthofLatinAmerica.Forwirelessphoneserviceproviders,nowhereisbusinessbetterthaninLatinAmericahavinganoperationthereislikehavinganendlesspileofmoneyatyourdisposal.BellSouthCorporation,withoperationsinfourwirelessmarkets,estimatesitsannualrevenueperaveragecustomeratabout$2,000ascomparedto$860intheUnitedStates.ThatspartlybecauseLatinAmericancustomerstalktwotofourtimesaslongonthephoneaspeopleinNorthAmerica.,A.Languagepoints,1.thewidthandlengthofsth./thelengthandbreadthofsth.：theentireextentofsomething的全部:,英雄闯遍天下，铲除不平，救助危难。,Example,Theheroestraveledthelengthandbreadthoftheland,rightingwrongsandhelpingpeopleinneed.,A.Languagepoints,2.atonesdisposal:availableforonetouseasonewishes供任意使用，可自行支配,Studentshaveawell-stockedlibraryattheirdisposal.,Example,学生有个藏书丰富的图书馆，非常方便。,Country:,Situation:,_,Solutions:,_,_,Thailand,Peoplewastetimeintrafficjams;,Difficulttocallorfaxfromtheofficebecauseoflongwaitinglistforphonelines(2millionnames),Turntowireless;,Businesspeoplestuckintrafficjamsusemobilephonetokeepcontact,Para9Thailand,Para.9Thailandisalsoturningtowireless,asawaytoallowThaistomakebetteruseofallthetimetheyspendstuckintraffic.Anditisntthateasytocallorfaxfromtheoffice:Thewaitinglistforphonelineshasfromonetotwomillionnamesonit.Somobilephoneshavebecometherageamongbusinesspeoplewhocanremainincontactdespitethetrafficjams.,usesth.,流行，时尚，风靡一时的事物,A.Languagepoints,1.become/be(all)thefashion/rage:bethelateststyle/trend流行起来，成为时尚,牛仔裤在青少年中间很流行。,Example,Jeansarealltherageamongteenagers.,Country:,Situation:,_,Solutions:,_,_,Vietnam,Personincomeisjust$220,Allmobilephonesmustbedigitalmodel;,Add300,000linesannually;,Maketheboldestleaps;,Gofornext-generationtechnology,Useexpensiveopticalfiberwithdigitalswitching,insteadofcheapercopperwires;,Para10Vietnam,Para.10Vietnamismakingoneoftheboldestleaps.Despiteaperpersonincomeofjust$220ayear,allofthe300,000linesVietnamplanstoaddannuallywillbeopticalfiberwithdigitalswitching,ratherthancheapersystemsthatsendelectronsovercopperwires.Bygoingfornext-generationtechnologynow,Vietnamese