Reading(2)：TheevolutionofvideoandsounddevicesVIP专享VIP免费

Whatarethey?TVsets1.DoyouhaveaMP4?YesNo2.Doyoualwaystakeitwithyouevenatschool?AlwaysSometimesNever3.DoyouagreetotakeMP4toschool?YesNo4.HowlongdoyouspendlisteningtoyourMP4aday?Morethan2hours.About1hours.Below30minutes.•WhatdidthefirstTVinyourhomelooklike?Howbigisit?Whatwasthepicturelike?•WhatdoestheTVyouareusingnowlooklike?Howbigisit?Whatwasthepicturelike?•Whataudiodevicesdoyouchoosetoenjoymusic?•Whatfunctionselsedoyouneedinanaudiodevicebesidesplayingmusic?Doyouwanttoknowmoreaboutvideoandsounddevices?Readthetextquicklyandanswerthefollowingquestions.1.WhodevelopedthesystemusedformostearlyTVbroadcasts?JoneLogieBaird.2.Whomadethefirstrecordingofahumanvoice?ThomasEdison.3.Whatweredevelopedbythelate1960s?Portablecassetteplayersandvideorecorders.1.ColorTVbecamepopularwithinjustafewyearsafteritwasinvented.()2.PeoplewithoutsatellitedishesdonotbenefitatallfromsatelliteTVbroadcasts.()Reading(PartC1):FF3.Someofthefirsttaperecordersusedplastictapetorecordon.()4.RecordsandcassettesdonotofferasgoodasoundqualityasCDs.()5.Newtechnologywillsoonmakemanyofthethingstalkedaboutinthearticleoutofdate.()TFTYearEvent187718871925Thefirstrecordingofahumanvoicewasmade.EmileBerlinerinventedarecordplayerthatuseddiscstorecordon.Reading(PartC2):ThefirstpublicTVbroadcastsweremadeintheUSA.YearEvent1929193819621967RegularpublicbroadcastingbeganinLondon.ThefirstcolourTVprogrammewasbroadcast.SatelliteswereusedtobroadcastTV.RegularcolourTVbroadcastsbeganintheUK.YearEvent198219931995ThefirstCDsweremadeavailable.TheVCDwasborn.TheDVDwasinvented.Headingsappearbeforeeachsectionofatext,theycangiveyourmoreinformationaboutthetext.Theycanshowyouhowatextisorganized.Youmaynotneedtoreadthewholetextifyoucanfindwhatyouarelookingforunderoneortwoheadings.ReadingstrategyTV(Inorderoftime)EarlyhistoryofTVThemodernage:satelliteTVEarlyhistoryofsoundrecordersSoundandvideogodigitalSoundgoesdigitalSoundandvideorecorders(inorderoftime)Ifyoucouldownonlyoneelectronicdevice,whatwouldyouchoose?Why?Moreandmorepeopleareusingcomputersforinformationandentertainment.DoyouthinkwestillneedbooksandTVsinthefuture?Whyorwhynot?Whataresomepossibledisadvantagesofhavingalotoftechnologyinourlives?KeysforactivityD.1.____2.____3.____4.____5.____6.____7.____8.____edhcfabgKeysforactivityE.1.__________2.____________3.__________4.____________5.__________6.____________7.__________foresawdrawbacksconstructeddelayedpercentagereceiverEventually•TocompleteA1andA2onpage98oftheWorkbook.•ToreadthearticleinPartAonpage103andinPartBonpage104oftheWorkbook.