牛津译林版模块七第一单元课件7u1-reading.ppt

M7Unit1Livingwithtechnology,Whatwouldlifebelikewithoutthem?,Freetalk:,TVs,audiodevices,Reading:TVandaudiodevicesareview,areportofpastevents,Howisthepassageorganized_.A.byparagraphsB.inchronologicalorderC.byconceptsD.bysubtitles,Fast-reading:,_historyofTV,(inorderof_),Earlyhistoryof_goesdigital,TV,Audiodevices,Early,time,modern,Sound,age:CableTV,satelliteTV,digitalTV,The,_,audiodevices,Taperecordersandplayers,careful-reading:,specificyears,theevents,historyofTV,1925,1948,ColourbroadcastsbeganintheUSA.,SatellitesbegantobeusedtobroadcastTV.,1989,1996,Listenandanswer:,1.WhomightbetheinventorofthefirstTV?A.VladimirZworykinfromRussia.B.PhiloFarnsworthintheUSA.C.JohnLogieBairdfromScotland.D.Itremainsuncertain.2.HowmanycountrieshaveputdigitalTVintooperationaccordingtothepassage?A.Onlyone.B.Alreadytwo.C.Atmostthree.D.Atleastfour.,careful-reading:,specificyears,theevents,audiodevices,audiodevices,Firstrecordingofahumanvoicewasmade.,Inventionoftransistorledtothedevelopmentofcassetterecorders.,FirstCDsproducedbyusingdigitaltechnologyweremadeavailable.,DevelopmentofMP3technologystartedinGermany.,DevelopmentofMDplayerbegan.,1958,1.WhomighthaveattributedtothedevelopmentoftheWalkman?A.twoJapaneseengineers.B.threeAmericanscientists.C.ThomasEdison.D.EmileBerliner.2.WhatisthemainfactorthatcausesthemusicwebsitestospringupallovertheInternet?A.ThepopularityofWalkman.B.ThedevelopmentoftheMDplayer.C.ThedevelopmentofMPstechnology.D.ThewideuseofDiscman.,listenandanswer:,6.对作出贡献13.彩色的14.黑白电视19.比好;优于22.有机会使用25.上市26.做问卷调查27.与其他观众聊天32.被手动上发条38.电流45.声音数字化.52.正如名称所示16.花了50年才有66的美国家庭拥有了它.,contributeto,incolour,black-and-whiteTV,besuperiorto,haveaccessto,comeontothemarket,respondtoquestionnaires,chattootherviewers,bewoundupbyhand,anelectriccurrent,Soundgoesdigital.,asthenameindicates,Ittook50yearsbefore66percentofAmericanhouseholdshadit.,Underlinethephrases.,advantagesdisadvantages,discussion:,meetpeoplesneeds.haveimprovedpeopleslivestosomedegree.radiationfromthemmaybeharmfultopeopleshealth.generatelargeamountofwaste,whichisharmfultotheenv