M7U1正式上课用reading

Module7Unit1ReadingTheevolutionofvideoandsounddevices影像与声音设备的发展Readingstrategy:understandingheadingsHeadingscanshowyouhowatextisorganized.Theycangiveanideaastothecontentsofeachsection.Thestructureofthetext:TheevolutionofvideoandsounddevicesTVSoundandvideorecordersEarlyhistoryofTVThemodernage:satelliteTVEarlyhistoryofsoundrecordersSoundandvideorecordersSoundandvideogodigitalThefutureEarlyhistoryofTVThedevelopmentofTVbroadcastPeoplewhocontributedtothedevelopmentThedevelopmentofcolorTVEarlyhistoryofTVHowmanyaspectsarementionedinthispart?EventUSAUKThefirstpublicTVbroadcastsweremade.Thefirstlong-distanceTVbroadcastwasmadebetweentwocountries.Regularpublicbroadcastingbegan.in1925in1928in1928in1929in1928Readthefirstparagraph,thenfillintheform.ThedevelopmentofTVbroadcastPeoplewhocontributedtothedevelopmentJohnLogieBaird:Hissystemwas____________andhad_______________.He____________________________in1928.PhiloFarnsworth:He___________________________inthedevelopmentofTVinthelate1920sandearly1930s.____________________usedbyModernTVswerefirstdiscoveredbyFarnsworth.primitivemanydrawbacksconstructedthefirstcolourTVmadeimportantbreakthroughsManyoftheprinciplesThedevelopmentofcolorTVWhenwasthefirstcolorTVconstructed?Whendidregularcolorbroadcastsbegin?ThefirstcolorTVwasconstructedin1928.RegularcolorbroadcastsbeganintheUSAin1951andin1967intheUK.Themodernage:satelliteTVThefeaturesofsatelliteTV:※bebroadcastlivevastdistances,witheveryonereceivingthesamebroadcastatthesametime※beaccessibletopeoplewholivefarawayfromcities※benefitmostpeopleEarlyhistoryofsoundrecordersIthadtobewoundupbyhand.Hemadethefirstrecordingofahumanvoicein1877.ThomasEdisonThefirstrecordplayerEmileBerlinerSoundandvideorecorders&SoundandvideogodigitalThedevelopmentofsoundandvideorecorders192819501960s1970s198219931995steeltape&papertapeplastictapeportablecassetteplayers&videorecorderssmallandcheapvideorecordersCDSVCDsDVDsThefutureThiswillsoonmakerecords,cassetterecorders,CDs,DVDsandevenTVsthingsofthepast.Translatethesentence.Whatdoes“this”referto?•ChoosethedevelopmentofTVorsoundandvideorecorders.•Trytotellyourpartneraboutitsdevelopment.•Rememberthatyoushouldorganizeyourreportinorderoftime.ActivityWhataresomepossibleadvantagesanddisadvantagesofhavingsoundandvideodevicesinourlives?Discussion:HomeworkFinishA1,A2onP98.