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1、microscopicmess417由于收纳了教材上所有文章和翻译，使得排版内容篇幅较长。如果你只想借此获取完形填空的15分，则可以考虑删除其中所有的中文翻译，这样篇幅可以减少一半左右。祝您好运！Mmicroscopicmess417Mmicroscopicmess417InventorofLEDWhenNickHolonyaksetouttocreateanewkindofvisiblelightingusingsemiconductoralloys,hiscolleaguesthoughthewasunrealistic.Today,hisdis
2、coveryoflight-emittingdiodes,orLEDs,areusedineverythingfromDVDstoalarmclockstoairports.Dozensofhisstudentshavecontinuedhiswork,developinglightingusedintrafficlightsandothereverydaytechnology.OnApril23,2004,Holonyakreceivedthe$500,000Lemelson-MITPrizeataceremonyinWashington.This
3、marksthe10thyearthattheLemelson-MITProgramattheMassachGsettsInstituteofTechnology(MIT)hasgiventheawardtoprominentinventors.'Anytimeyougetanaward,bigorlittle,it'salwaysasurprise.Holonyaksaid.Holonyak,75,wasastudentofJohnBardeen,aninventorofthetransistor,intheearly1950s.Aftergrad
4、uateschool,HolonyakworkedatBellLabs.HelaterwenttoGeneralElectric,whereheinventedaswitchnowwidelyusedinhousedimmerswitches.Later,Holonyakstartedlookingintohowsemiconductorscouldbeusedtogeneratelight.Butwhilehiscolleagueswerelookingathowtogenerateinvisiblelight,hewantedtogenerate
5、visiblelight.TheLEDsheinventedin1962nowlastabout10timeslongerthanincandescentbulbs,andaremoreenvironmentallyfriendlyandcosteffective.Holonyak,nowaprofessorofelectricalandcomputerengineeringandphysicsattheUniversityofIllinois,saidhesuspectedthatLEDswouldbecomeascommonplaceasthey
6、aretoday,butdidn'trealizehowmanyusestheywouldhave.Youdon'tknowinthebeginning.Youthinkyou'redoingsomethingimportant,youthinkit'sworthdoing,butyoureallycan'ttellwhatthebigpayoffisgoingtobe,andwhen,andhow.Youjustdon'tknow.'hesaid.TheLemelson-MITProgramalsorecognizedEdithFlanigen,7
7、5,withthe$100,000LemelsonMITLifetimeAchievementAwardforherworkonanewgenerationof'molecularsieves,'thatcanseparatemoleculesbysize.LED的发明者当NickHolonyak着手用半导体合金制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，他发明的发光二极管，或叫LED，使用范围覆盖了从DVD到机场警钟的一切东西。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。2004年4月23号，Holon
8、yak在华盛顿的一次典礼上接受了麻省理工学院Lemelson项目的50万美元奖金。这是麻省理工学院Lemel
