福建师范大学闽南科技学院教案纸章节首页.docx
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福建师范大学闽南科技学院教案纸章节首页.docx
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福建师范大学闽南科技学院教案纸章节首页
福建师范大学闽南科技学院教案纸章节首页
章节标题
Book4Unit4
SectionATheTelecommunicationsRevolution
SectionBTheInformationSuperhighway
授课时数
10periods
教学目标
1.Tomemorizenewwordsandphrasesinthisunit
2.Bywayoflearningthistext,makethestudentsknowtheseimportantdevicesfordevelopingareport:
a.Exemplification
b.Contrast
c.Comparison–and-contrast
主要内容与教学安排
1.IntroductionofBackgroundinformation.
2.Givingtopicsfordiscussion.
3.Explainingnewwordsandexpressions.
4.LanguagepointsinthetextofSectionA&B
5.Homework
教学重点
1.NewWords&Expressions,
2.OrganizationoftheText(mainidea,developingdevices)
教学难点
DetailedStudyoftheText(mainidea,developingdevices)
教学方式(教学方法,教学技术手段的运用等)
Adopttheteachingassistantmeansofmulti-media
必要说明
SupplementUnit4withtheadvancedtelecommunicationstechnology
UnitFour
Contents
I.Keywordsandusefulexpressions:
1.SectionA:
statue,liberty,enlighten,independence,affection,assemble,dedicate,co-founder,refashion,exaggerate,interpretation,medieval,evolve,recruit,workon,goahead,forsale,nameafter,risetofame,captureone'sattention,posefor,goagainst
2.SectionB:
cassette,transmit,format,blade,wield,correspondent,specialize,terminal,playaleading/major/keyrole,comeupwith,inthehandsofsb./insb.'shands,takestepstodosth.
II.Warm-upactivities:
1)-Whyaredevelopingcountriesinvestinggreatsumsofmoneyintelecommunicationsnetworks?
Theirinvestmentshavearisenfromthemajorfactorsasfollows:
Oneisthatthetransferofinformationhasbecomeamustinpromotingtheforeignanddomesticinvestment;anotheristhat,withourworlddependinginagreaterdegreeoninformationforitsprogress,itisnaturalfortelecommunicationstotakeuptheroleasacompetitivepowerbetweencountries;andstillanotheristhattelecommunicationsdeterminestoalargeextenttheall-dimensionaldevelopmentinbothurbanandruralareas.
2)-WhatdoesChinahopetoachieve?
AndwhatdoesShanghaihopetoachieve?
Chinahopestobecomeanimportantpartoftheinformationsuperhighway.AndShanghaiwantstorealizeitsdreamofbecomingamajorfinancialcenter.
3)-Whatdosomepeoplefear?
Somepeoplefearthatsomedevelopingcountriesacttoohastilyorpushthemselvestoohardinfulfillingtheirpurposes.Insomesense,thereisreasontobeanxiousandworriedaboutthefact.SincetheU.S.andEuropeancountrieshavecoveredalongwaytoreachthepresenthighlevelofdevelopment,itisofcoursenoeasyjobforsomedevelopingcountriestoachieveitinonejump.
III.TextStudy:
SectionA:
TheTelecommunicationsRevolution
(一)BackgroundInformation:
1.InformationAge
TheInformationAgeisaneraoffundamentalandglobalchangeinintellectual,philosophical,culturalandsocialterms.Today'sInformationAgebeganwiththetelegraph.Itwasthefirstinstrumenttotransforminformationintoelectricalformandtransmititreliablyoverlongdistances.NewtechniquesofencodinganddistributingdigitalinformationarepromotingtheprogressoftheInformationAgethroughoutsociety.
2.Informationsuperhighway
AnamefirstusedbyformerUSvice-presidentAlGoreforthevisionofaglobal,high-speedcommunicationsnetworkthatwillcarryvoice,data,video,andotherformsofinformationallovertheworld,andthatwillmakeitpossibleforpeopletosende-mail,getup-to-the-minutenews,andaccessbusiness,governmentandeducationalinformation.TheInternetisalreadyprovidingmanyofthesefeatures,viatelephonenetworks,cableTVservices,onlineserviceproviders,andsatellites.IntheUS,theinformationsuperhighwayisalsoknownasNationalInformationInfrastructure.Theinformationsuperhighwaycanbeunderstoodtobeahighwaywhichhascomputertechnologyandmoderntelecommunicationstechnologyservingasthebaseoftheroadandfiber-opticcablesservingasthesurfaceoftheroad.The"vehicles"arethemultimediamachinesequippedwithcomputer,televisionandtelephone,andhighspeedtransmissionandexchangeofvariousmultimediainformationformthewebcoveringthewholenation.Ifthenationalsuperhighwaysallovertheworldarelinkedtogether,theglobalinformationsuperhighwaywillbecreated.
3.opticalfiber:
Opticalfiber(or“fiberoptic”)oftenreferstothemediumandthetechnologyassociatedwiththetransmissionofinformationaslightpulsesalongaglassorplasticwireorfiber.Opticalfibercarriesmuchmoreinformationthanconventionalcopperwireandisingeneralnotsubjecttoelectromagneticinterferenceandtheneedtoretransmitsignals.Mosttelephonecompanylong-distancelinesarenowofopticalfiber.Transmissiononopticalfiberwirerequiresrepeateratdistanceintervals.Theglassfiberrequiresmoreprotectionwithinanoutercablethancopper.Forthesereasonsandbecausetheinstallationofanynewwiringislabor-intensive,fewcommunitiesyethaveopticalfiberwiresorcablesfromthephonecompany'sbranchofficetolocalcustomers(knownaslocalloop).Singlemodefiberisusedforlongerdistances;multimodefiberisusedforshorterdistances.
(二)NewWords&Expressions
1telecommunications
n.[U]thesendingandreceivingofmessagesoverdistance,esp.bytelephone,radioand
television电信
atelecommunicationssatellite
通信卫星
thetelecommunicationsindustry
电信业
2dumb
a.unabletospeak哑的,不会说话的
adeafanddumbboy
一个聋哑男孩
Beingdumb,thelittlegirlhaddifficultycommunicatingherfeelings.
因不会说话,那个小女孩交流感情有困难。
3investment
n.[C,U]theactofinvestingmoneyinsth.投资
Thiscountryneedsinvestmentineducation.
这个国家需要在教育上投资。
Hehopestoattractforeigninvestment.
他希望吸引外国投资。
4Latin
n.[U]拉丁语
5utility
n.[C](usu.~ties)aserviceusedbythepublic,suchaselectricityorgassupply公用事
业;公用设施
publicutilities
公用事业
Railwaysandroadsarepublicutilities.
铁路和公路是公用设施。
6optical
a.connectedwithsightorlight视觉的;光的
Hesuffersfromanopticaldefect.
他有视觉障碍。
Thisisthemostadvancedopticaltelescopeintheworld.
这是世界上最先进的光学望远镜。
7diameter
n. [C]直径
Thediametermeasurestwicetheradius.
直径为半径的两倍。
Thepondissixfeetindiameter.
该池塘直径为6英尺。
8millimeter
n.[C](BrE.millimetre)毫米
9cable
n.[C]asetofwirescoveredinplasticorrubber,usedtocarryelectricity电缆
Theroadhasbeendugupinordertolaycables.
路被挖开以便铺设电缆。
10copper
n.[U]铜
11transmission
n.1.[U]theactorprocessofsendingoutanelectronicsignalormessageorof
broadcastingaradioortelevisionprogram播送;发射;传输
TheBBChasjustsuccessfullydemonstratedanewdigitalradiotransmissionsystem.
英国广播公司刚刚成功地演示了一套新的数字式无线电播送系统。
Datatransmissiontechniquesincludingsatellitetelecommunicationshaveapplicationsin
financialcontrolandelectronicbanking.
包括卫星通信的数据传输技术可用于金融控制和电子银行业务。
2.[U]theprocessofpassingsth.fromoneperson,placeorthingtoanother传播
thetransmissionofthedisease/virus
疾病/病毒的传播
EffectivemeasuresarebeingsoughttopreventthesexualtransmissionofAIDS.
正在寻找有效的措施来避免艾滋病的性传播。
12parade
n.1.[C]aseriesofpeopleorthingsthatseemsnevertoend一连串,一系列
anendlessparadeofadvertisements
一连串没完没了的广告
Forthenextsixhours,hetreatedaparadeofsickchildren.
在接下来的六小时他给一大批生病的孩子治了病。
2.[C]alineofpeople,vehicles,etc.movingforwardinorder,oftenasacelebrationof
someevent游行
Thesmallboyloveswatchingthesoldiersonparade.
这个小男孩喜欢看士兵的检阅队伍。
Thecrowdmarchedthroughtowninavictoryparade.
人群游行走过市中心,欢庆胜利。
13urban
a.oforinacityortown城市的,都市的
Urbandwellersoftenacceptnoiseaspartofcitylife.
城市居民通常承认噪音是城市生活的组成部分。
Modernindustryhasbeenconcentratedinafewlargeurbancenters.
现代工业一直集中在一些大城市中心。
14spider
n.[C]蜘蛛
aspider'sweb
蜘蛛网
15condense
vt.makesth.shorterorsmaller缩短;压缩
Theeditorcondensedthemanuscripttohalfofitsoriginallength.
编辑把稿子长度压缩成原稿的一半。
I'vetriedtocondensetenpagesofcommentsintotwo.
我试图把十页长的评论文章缩短成两页。
16intensive
a.involvingalotofactivity,effort,orcarefulattentioninashortperiodoftime密集
的;集中的;加强的
Theystartedaone-weekintensivecourseinEnglish.
他们开始了为期一周的英语强化课程。
Afteraperiodofintensivetraining,Iwasallowedtomakemyfirstparachutejump.
经过一段时间的强化训练,我被允许第一次跳伞了。
17 labor-intensive
a.(ofwork)needingalotofpeopletodoit劳动密集型的
Alotoffarmingtechniqueshavebeenabandonedbecausetheyweretoolabor-intensive.
许多耕作技术由于其劳动密集型程度太强,所以已被放弃。
Thelocalauthoritieshavemainlyhelpedsmallbusinessesinmorelabor-intensive
industries.
地方当局主要帮助在劳动密集型程度较强行业的小企业。
18rust
v.becomecoveredwithareddish-brownsubstancethatformsonironandsteel生锈
It'llrustifyouleaveitoutintherain.
如果你让它淋雨,它会生锈的。
Yearsofbeingleftoutintherainhadrustedthemetalchairs.
由于常年淋雨,这些金属椅子生锈了。
n.[U]thereddish-brownsubstancethatformsonironandsteel铁锈
Thecarwascoveredwithrust.
车子满身是锈。
Thebicyclelookedfreeofrust.
这辆自行车看起来没有生锈。
19antique
n.[C]sth.madelongagothatisvaluableorinteresting古董
Thepalaceisfullofpricelessantiques.
王宫里全是价值连城的古董。
Youcan'tgiveawayGranny'soldbookcase—it'savaluableantique.
你不能把奶奶的旧书架送人──那是一件很有价值的古董。
20lick
vt.1.easilydefeatsb.ordealwithsth.击败;克服
Thecomputerpeopleseemtohavelickedtheproblem.
电脑人员看起来已经克服了这个问题。
I'mnotgoingtobelickedbyasmalldifficultylikethat.
我不会被这么一个小小的困难所难倒。
2.moveone'stongueoversth.舔
Thedoglickedherhand.
那条狗舔了舔她的手。
Thechildfinishedthedessertandthenlickedthepla
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