牛津高中英语模块7M7U1 Reading.ppt

M7U1ReadingTheevolutionofvideoandsounddevices,Languagepoints,Importantexpressions,theevolutionofvideoandsounddevicesTitleshortlyafterwardsL4contributedtothedevelopmentofTVL6wasveryprimitiveandhadmanydrawbacksL8madeimportantbreakthroughsL9inthelate1920sandearly1930sL10TVsusemanyoftheprinciplesL10constructedthefirstcolourTVL12regularcolourTVbroadcastsweredelayedL15,withinashorttimeL15SatellitesallowTVprogrammestobebroadcastliveL19overvastdistancesL20overalongdistanceL2P5makeTVaccessibletopeoplewholivefarawayfromcitiesL21throughoutthecountrysideandtheremoteareasL22-23asmallpercentageofpeopleL23,benefitfromsatelliteTVL24broadcastthesignalsL24-25madethefirstrecordingofahumanvoiceL27usedroundtubestorecordonL28-29useddiscsasalternativetotubesL30bewoundupbyhandL31Timessurelyhavechanged!L32employedsteeltapetorecordonL35bythelate1960sL38-39,Soundandvideogodigital.L42ThefirstCDsweremadeavailable.L43makethingsofthepastL49-50keeppacewithL51foreseewhatthefuturewillbringL51-52adaptationsweremadeL9P5RelayconversationandmusicL9P5hadaccesstoL13(倒数L3)P5TheprimarymeansofgettingnewsandentertainmentL14(倒数L2)P5,ManydifferentpeoplecontributedtothedevelopmentofTV.(L6)很多不同的人对电视的发展作出了贡献。contribute:verbviorvt1)捐助，贡献必修6Cometothemeetingifyoufeelyouhavesomethingtocontribute.Herfamilyhavecontributed50,000tothefund.2)投稿Shecontributestoseveralmagazines.contributetosth.有助于，成为的原因Smokingcertainlycontributedtohisearlydeath.,注意：以下短语中“to”是介词，后接名词或动名词：lookforwardto;taketo;referto;get/beusedto;be/get/becomeaccustomedto;leadto;contributeto；devoteto;payattentionto;getdownto;thekeyto,2.Ittookmorethantwodecades,though,until1951,forcolourbroadcaststobeginintheUSA.(L13-14)但是彩色电视节目一直到1951年才得以在美国开播,这其间一共经历了二十多年的时间。thoughconj.1)虽然Shehasntphoned,eventhoughshesaidshewould.2)但是Theyrecomingnextweek,thoughIdontknowwhichday.adv.despitethis:可是,不过Wewereatschooltogether.Ihaventseenherforyearsthough.,asif/though似乎,仿佛Shelookedasifshedhadsomebadnews.IfeltasthoughIdbeenlyinginthesunforhours.TheystaredatmeasifIwascrazy.eventhough尽管Eventhoughheleftschoolat16,hestillmanagedtobecomeprimeminister.,delaysth.until推迟到,TheopeningofthissectionoftheroadisdelayeduntilSeptember.,2)tomakesomeoneorsomethinglate延误seriously/badly/slightlyetcdelayed,Theflightwasbadlydelayedbecauseoffog.,3.RegularcolourTVbroadcastsweredelayedintheUKuntil1967.L15delay(v.)1)towaituntilalatertimetodosomethingHedelayedhisdecisiononwhethertocallanelection.推迟delaydoingsth.Bigcompaniesoftendelaypayingtheirbills.,4.SatellitesallowTVtobebroadcastliveovervastdistances,L19-20live(adj.)alivetelevisionorradioprogramisseenorheardontelevisionorradioatthesametimeasitisactuallyhappening直播的aliveradiophone-inshowTherewillbeliveTVcoverageoftonightsbigmatch.2)notdeadorartificial=living生动的experimentsonliveanimals,3)aliveperformanceisoneinwhichtheentertainerperformsforpeoplewhoarewatching,ratherthanafilm,recordetc有生气的，活泼的Thebandwillbegivingaliveconcertperformancenextweek.awireorpieceofequipmentthatislivehaselectricityflowingthroughit（正在）通电的Becareful-thosewiresarelive.,live(adv.)Theceremonywillbebroadcastliveontelevision.直播ThematchwillbeshownlivebytheBBC.Ilovetheirmusic,butIveneverseenthemperformlive.现场ThebandisplayingliveinBirminghamtonight.现场,5.TheyalsomakeTVaccessibletopeoplewholivefarawayfromcities,L21accessible(adj.)easytoobtainoruse容易获得或使用accessibletotheneedforanefficienthealthservicethatisaccessibletoalleasily/readilyaccessibleComputersshouldbemadereadilyaccessibletoteachersandpupils.,2)aplace,building,orobjectthatisaccessibleiseasytoreachorgetintoTheislandisonlyaccessiblebyboat.Thereisachurchwhichiseasilyaccessiblefrommyhome.3)someonewhoisaccessibleiseasytomeetandtalkto,eveniftheyareveryimportantorpowerfulIthinkthatyoullfindshesveryaccessible.4)abook,poem,paintingetcthatisaccessibleiseasytounderstandandenjoyHewantshismusictobeaccessibletoeveryone.,access(n.)1)therighttoenteraplace,usesomething,seesomeoneetchaveaccessto进入，得到，获得1、Accesstothepapersisrestrictedtoseniormanagement.2、Catsshouldalwayshaveaccesstofresh,cleanwater.2)howeasyordifficultitisforpeopletoenterapublicbuilding,toreachaplace,ortalktosomeone（容易或难以）进入、通向accesstoahousewitheasyaccesstothesea,access(n.)3)tosucceedinenteringaplaceorinseeingsomeoneorsomething获得进入的方法、找到进入的路、进入gain/getaccess(tosth)Thepolicemanagedtogainaccessthroughanupstairswindow.access(vt.)使进入、获得（信息）tofindinformation,especiallyonacomputerUserscanaccesstheirvoicemailremotely.,6.ThefirstrecordplayershadtobewoundupbyhandL31wind(v.)(wound,wound)1)toturnortwistsomethingseveraltimesaroundsomethingelse绕、缠绕windstharound/roundsthThehairisdividedintosectionsandwoundaroundheatedrods.2)toturnpartofamachinearoundseveraltimes,inordertomakeitmoveorstartworking上/紧发条alsowindupDidyouremembertowindtheclock?,3)ifaroad,riveretcwindssomewhere,ithasmanysmoothbendsandisusuallyverylong蜿蜒前行wind(itsway)through/alongetcsthHighway99windsitswayalongthecoast.awindingpath4)tomakeatapemoveinamachine进带、到带windsthforward/backCanyouwindthevideobackalittleway-Iwanttoseethatbitagain.,Understandingdifficultsentences,1.Regularpublicbroadcastingfollowedshortlyafterwards,firstbeginningon11May1928inNewYorkL4Regularpublicbroadcastingfollowedshortlyafter.Regularpublicbroadcastingfirst_on11May1928inNewYork.,began,2.itwasnotuntil1938thatthefirstcolourTVprogrammewasbroadcast.L12-13ThefirstcolourTVprogramme_.3.SatelliteswereusedtobroadcastTVbeginningin1962.L19SatelliteswereusedtobroadcastTVandthis_in1962.,wasnotbroadcastuntil1938,began,4.andsosatellitedishescanoftenbeseendistributedthroughoutthecountrysideandtheremoteareas.L22-23andsoyoucanoftensee_throughoutthecountrysideandtheremoteareas.5.broadcastthesignalstheygetfromsatellitereceiverstothepopulationlivingnearby.L25broadcastthesignalstheygetfromsatelliter