M7Unit1

LivingwithtechnologyM7Unit1

Livingw1

refrigeratorrefrigerator2washingmachinewashingmachine3AirconditionerAirconditioner4

microwaveoven

vacuumcleanermicrowaveovenvacuumclean5desktoplaptopdesktoplaptop6TheevolutionofvideoandsounddevicesTheevolutionofvideoandsou7Readingstrategy:understandingheadingsIfyouwanttoobtainsomespecificinformation,forinstance,informationaboutsatellite

TV,fromthispassageasfastaspossible,whatwillyoudo?Lookingatsubtitles（副標(biāo)題）Readingstrategy:understandin8______historyofTV(inorderof______)Earlyhistoryof____________________________goesdigitalTVAudiodevicesEarlytimemodernage:CableTV,satelliteTV,digitalTV,…The_______soundrecordersSoundandvideoFastreading______historyofTV(inordero9TVPartOne:（L1-25)CarefulreadingTVPartOne:（L1-25)Carefulread10black-and-whiteTVblack-and-whiteTV11MakeatimelineofthedevelopmentofTV1925ThefirstpublicTVbroadcastweremadeintheUSA1928Long-distanceTVbroadcastwasmadebetweentheUKandtheUSA.Regularpublicbroadcastingbegan.1938ThefirstcolorTVprogramwasbroadcast1951RegularcolorTVbroadcastsbeganintheUSAMakeatimelineofthedevelop12JohnLogieBairdMostearlyTVbroadcastsweremadeusinghissystem.However,hissystemwasvery________andhadmany____________.primitivedrawbacksEarlyhistory(1-17)JohnLogieBairdMostearlyTV13PhiloFarnsworth————————Hemadeimportant______________inthedevelopmentofTV.ModernTVsusemanyofthe___________firstdiscoveredbyhim.breakthroughsprinciplesPhiloFarnsworth————————breakt141962

SatelliteswereusedtobroadcastTVTheModernage(19-25)SatellitesmakeTV_________topeoplewholivefarawayfromcities.accessible1962Satellites15SatelliteTVdishesTheycanoftenbeseen

throughoutthecountrysideandremoteareas.However,mostpeoplebenefit______satelliteTV,aslocalTVcompaniesbroadcastthe_______tothepopulationlivingnearby.fromsignalsdistributedSatelliteTVdishesTheycanof16PartTwo:(L26-52)AudioDevicesPartTwo:(L26-52)AudioDevices17Earlyhistoryofsounddevices(26-32)1877:ThomasEdisonmadethefirstrecordingofahumanvoice.Earlyhistoryofsounddevices18tubes

Earlyrecordplayersused______torecordon.tubesEarlyrecordpl19Heuseddiscsasalternativestotubes.Who'she?EmileBerinerHeuseddiscsasalternatives20taperecorderssteeltapeSoundandvideodevices(33-41)

In1982,thefirst_______________usedtocopysoundwereinGermany.Mostearlyrecordersemployed__________torecordon.steeltapetaperecorderssteeltapeSound21

Portable

cassetteplayerweredevelopebythe________late1960sPortablecassetteplayer22VideorecordersBythelate1970s,videorecordersforhomeusewereintroduced.Videorecorders23___________(1982)Digitalera數(shù)字時(shí)代_______(1993)_______(1995)VCDDVDthefirstCDs

Soundandvideogodigital___________(1982)Digitalera__24walkmanCDplayerMP3MP4iPadwalkmanCDplayerMP3MP4iPad251.ColorTVbecamepopularwithinjustafewyearsafteritwasinvented.()2.PeoplewithoutsatellitedishesdonotbenefitatallfromsatelliteTVbroadcasts.()Reading(PartC1):F（12-14）F（24）1.ColorTVbecamepopularwit263.Someofthefirsttaperecordersusedplastictapetorecordon.()4.RecordsandcassettesdonotofferasgoodasoundqualityasCDs.()5.Newtechnologywillsoonmakemanyofthethingstalkedaboutinthearticleoutofdate.()T（43-45）F（28）T(49-50)3.Someofthefirsttapereco27KeysforactivityD.1.____2.____3.____4.____5.____6.____7.____8.____edhcfabgKeysforactivityD.edhcfabg28KeysforactivityE.1.__________2.____________3.__________4.____________5.__________6.____________7.__________foresawdrawbacksconstructeddelayedpercentagereceiverEventuallyKeysforactivityE.foresawdra29M7Unit1

LivingwithtechnologyM7Unit1

Livingw30

refrigeratorrefrigerator31washingmachinewashingmachine32AirconditionerAirconditioner33

microwaveoven

vacuumcleanermicrowaveovenvacuumclean34desktoplaptopdesktoplaptop35TheevolutionofvideoandsounddevicesTheevolutionofvideoandsou36Readingstrategy:understandingheadingsIfyouwanttoobtainsomespecificinformation,forinstance,informationaboutsatellite

TV,fromthispassageasfastaspossible,whatwillyoudo?Lookingatsubtitles（副標(biāo)題）Readingstrategy:understandin37______historyofTV(inorderof______)Earlyhistoryof____________________________goesdigitalTVAudiodevicesEarlytimemodernage:CableTV,satelliteTV,digitalTV,…The_______soundrecordersSoundandvideoFastreading______historyofTV(inordero38TVPartOne:（L1-25)CarefulreadingTVPartOne:（L1-25)Carefulread39black-and-whiteTVblack-and-whiteTV40MakeatimelineofthedevelopmentofTV1925ThefirstpublicTVbroadcastweremadeintheUSA1928Long-distanceTVbroadcastwasmadebetweentheUKandtheUSA.Regularpublicbroadcastingbegan.1938ThefirstcolorTVprogramwasbroadcast1951RegularcolorTVbroadcastsbeganintheUSAMakeatimelineofthedevelop41JohnLogieBairdMostearlyTVbroadcastsweremadeusinghissystem.However,hissystemwasvery________andhadmany____________.primitivedrawbacksEarlyhistory(1-17)JohnLogieBairdMostearlyTV42PhiloFarnsworth————————Hemadeimportant______________inthedevelopmentofTV.ModernTVsusemanyofthe___________firstdiscoveredbyhim.breakthroughsprinciplesPhiloFarnsworth————————breakt431962

SatelliteswereusedtobroadcastTVTheModernage(19-25)SatellitesmakeTV_________topeoplewholivefarawayfromcities.accessible1962Satellites44SatelliteTVdishesTheycanoftenbeseen

throughoutthecountrysideandremoteareas.However,mostpeoplebenefit______satelliteTV,aslocalTVcompaniesbroadcastthe_______tothepopulationlivingnearby.fromsignalsdistributedSatelliteTVdishesTheycanof45PartTwo:(L26-52)AudioDevicesPartTwo:(L26-52)AudioDevices46Earlyhistoryofsounddevices(26-32)1877:ThomasEdisonmadethefirstrecordingofahumanvoice.Earlyhistoryofsounddevices47tubes

Earlyrecordplayersused______torecordon.tubesEarlyrecordpl48Heuseddiscsasalternativestotubes.Who'she?EmileBerinerHeuseddiscsasalternatives49taperecorderssteeltapeSoundandvideodevices(33-41)

In1982,thefirst_______________usedtocopysoundwereinGermany.Mostearlyrecordersemployed__________torecordon.steeltapetaperecorderssteeltapeSound50

Portable

cassetteplayerweredevelopebythe________late1960sPortablecassetteplayer51VideorecordersBythelate1970s,videorecordersforhomeusewereintroduced.Videorecorders52___________(1982)Digitalera數(shù)字時(shí)代_______(1993)_______(1995)VCDDVDthefirstCDs

Soundandvideogodigital___________(1982)Digitalera__53walkmanCDplayerMP3MP4iPadwalkmanCDplayerMP3MP4iPad541.ColorTVbecamepopularwithinjustafewyearsafteritwasinvented.()2.PeoplewithoutsatellitedishesdonotbenefitatallfromsatelliteTV