高二英语选修七unit1

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1、高二英语选修七Unit17.291.ManydifferentpeoplecontributedtothedevelopmentofTV.(L6)很多背景不同的人对电视的发展作出了贡献。contributev.1)捐助，贡献2)投稿3)有助于，成为的原因a.Itwasgeneroushertocontributesuchalargesum.b.Cometothemeetingifyoufeelyouhavesomethingtocontribute.c.Shecontributcstoseveralmagazincs.d.Smokingcertainlycontributedtohisearl

2、ydeath.拓展：n.[C]1)捐赠人2)投稿人3)导致因素n.贡献，投稿，捐款a.Al1contributions,nomatterhowsmal1,wi11bemuchappreciated.b.Thisinventionmadeamajorcontributiontoroadsafcty.2.JohnLogieBairdconstructedthefirstcolourTVin1928,butitwasnotuntil1938thatthefirstcolourTVprogrammewasbroadcast.(L12)约翰洛吉贝尔德于1928年制造出第一台彩色电视机，但直到1938年第

3、一个彩色电视节目才播出。1).construct制造；建设(n.)a.Theyconstructedthebridgeinayear.b.Hehasconstructedanewtheory.c.Thecompositioniswellconstructed.d・Theyattemptstoconstructaprogrammethatwillmeettheeducationalneedsofeverychild.2).Ttis/was+被强调部分(通常是主语、宾语或状语)+that/who(指人)+其他部分。ItisLiLei'sbrotherthat/whoyoumetinthestree

4、tyesterday.3.Ittookmorethantwodecades,though,until1951,forregularcolourTVbroadcaststobeginintheUSA.(L13)彩色电视节目到1951年才得以在美国定期播出，期间经历了二十多年的时间。though1)conj.虽然，尽管a.Shehasn'tphoned,thoughshesaidshewould.b.They'recomingnextweek,thoughTdon'tknowwhichday.2)adv.可是，不过(常用逗号隔开)Wewereatschooltogether・1haven'tsee

5、nherforyears,though・拓展：asif/though似乎，仿佛Shelookedasifshe，dhadsomebadncws.Theystaredatmeasif1wascrazy.eventhough尽管Eventhoughheleftschoolat16,hestillmanagedtobecomeprimeminister.1.RegularcolorTVbroadcastsweredelayedintheUKuntil1967.(L15)在英国，定期的彩色电视节目的播出一直延迟至1967年。delayv.(使)耽搁，延误；推迟n.耽搁，延迟Thetrainwasdel

6、ayedduetotheaccident.Aftermuchdelay,theresultsofthematchwerefinallymadepublic.拓展：delaydoingsth.推迟做某事withoutdelay毫不迟延，立即2.TheyalsomakeTVaccessibletopeoplewholivefarawayfromcities,andsatellitedishescanoftenbeseendistributedthroughoutthecountrysideandremoteareas.(L21)它们也使远离城市的人们可以收看到电视。accessible易于到达的；

7、能够得到的；平易近人的；易于接受的，易懂的拓展：beaccessibletohaveaccesstoa.Medicineshouldnotbekeptwhereitisaccessibletochildren.b.Theremotedesertareaisaccessibleonlybyhelicopter.c.Herpoetryisalwaysveryaccessible.d.Tthinktha