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1、后面带2012新增部分2012年职称英语等级考试用书（理工类）------第二部分阅读判断第一篇InventorofLEDLED的发明者 WhenNickHolonyaksetouttocreateanewkindofvisiblelightingusingsemiconductoralloys,hiscolleaguesthoughthewasunrealistic．Today,hisdiscoveryoflight-emittingdiodes,orLEDs,areusedineverythingfromDVDst
2、oalarmclockstoairports．Dozensofhisstudentshavecontinuedhiswork,developinglightingusedintrafficlightsandothereverydaytechnology． OnApril23,2004,Holonyakreceivedthe$500,000Lemelson-MITPrizeataceremonyinWashington．Thismarksthe1OthyearthattheLemelson-MITProgramatthe
3、MassachusettsInstituteofTechnology(MIT)hasgiventheawardtoprominentinventors． “Anytimeyougetanaward,bigorlittle,it’salwaysasurprise．”Holonyaksaid． Holonyak,75,wasastudentofJohnBardeen,aninventorofthetransistor,intheearly1950s.Aftergraduateschool,Holonyakworkedat
4、BenLabs．HelaterwenttoGeneralElectric,whereheinventedaswitchnowwidelyusedinhousedimmerswitches． Later,Holonyakstarted1ookingintohowsemiconductorscouldbeusedtogenerate1ight.Butwhilehiscolleagueswere1ookingathowtogenerateinvisiblelight,hewantedtogeneratevisibleligh
5、t.TheLEDSheinventedin1962nowlastabout10timeslongerthanincandescentbulbs,andaremoreenvironmentallyfriendlyandcosteffective． Holonyak,nowaprofessorofelectricalandcomputerengineeringandphysicsattheUniversityofIllinois,saidhesuspectedthatLEDswouldbecomeascommonplace
6、astheyaretoday,butdidn’trealizehowmanyusestheywouldhave．转自学易网www.studyez.com “Youdon’tknowinthebeginning．YOUthinkyou’redoingsomethingimportant．youthinkit’sworthdoing,butyoureallycan’ttellwhatthebigpayoffisgoingtobe,andwhen,andhow．Youjustdon’tknow,”hesaid． TheLe
7、melson-MITProgramalsorecognizedEdithFlanigen,75,withthe$100,000Lemelson-MITLifetimeAchievementAwardforherworkonanewgenerationof“molecularsieves,”thatcanseparatemoleculesbysize． 当NickHolonyak着手用半导体合金创造一种新的可视照明设备的时候，同事们都认为他不现实。今天，他发现的发光二极管，或叫LED，使用范围覆盖从DVD到机场警钟的一切
8、东西。他的许多学生继续着他的工作，发明了交通灯中使用的照明设备和其他的日用技术。转自学易网www.studyez.com 2004年4月23号，Holonyak在华盛顿的一次典礼上被授予麻省理工Lemelson项目的50万美元的奖金。这是麻省理工的Lemelson—MIT项目第十年颁奖给杰出的发明人。 “任何时候
