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时间:2019-08-26
《2011年理工B英语职称考试新增试题》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2011年理工类职称英语教材新增文章下载阅读理解新增文章(共6篇)目录:第二篇(C级):WorldCrudeOilProductionMayPeakaDecadeEarlierThanSomePredict第六篇(C级):WeavingwithLight第三十四篇(B级):BatteriesBuiltbyViruses第三十八篇(B级):LongerLivesforWildElephants第四十五篇(A级):SomePeopleDoNotTasteSaltLikeOthers第四十六篇(A级):Ma
2、rvelousMetamaterials 第三十四篇BatteriesBuiltbyViruses Whatdochickenpox,thecommoncold,theflu,andAIDShaveincommon?They'realldiseasecausedbyviruses,tinymicroorganismsthatcanpassfrompersontoperson.It’snowonder1thatwhenmostpeoplethinkaboutviruses,findingwaysto
3、steerclearof2virusesiswhat'sonpeople'sminds. Noteveryonerunsfromthetinydiseasecarriers,though3.InCambridge,Massachusetts4,scientistshavediscoveredthatsomevirusescanbehelpfulinanunusualway.Theyareputtingvirusestowork,teachingthemtobuildsomeoftheworld’ss
4、mallestrechargeablebatteries. Virusesandbatteriesmayseemlikeanunusualpair,butthey'renotsostrangeforengineerAngelaBelcher,whofirstcameupwith5theidea.AttheMassachusettsInstituteofTechnology(MIT)inCambridge,sheandhercollaboratorsbringtogetherdifferentarea
5、sofscienceinnewways.Inthecaseofthevirus-builtbatteries,thescientistscombinewhattheyknowaboutbiology,technologyandproductiontechniques. Belcher’steamincludesPaulaHammond,whohelpsputtogetherthetinybatteries,andYet-MingChiang,anexpertonhowtostoreenergyint
6、heformofabattery."We'reworkingonthingswetraditionallydon’tassociatewithnature,"saysHammond. Manybatteriesarealreadyprettysmall.YoucanholdA,CandDbatteries6inyourhand.Thecoin-likebatteriesthatpowerwatchesareoftensmallerthanapenny.However,everyyear,newele
7、ctronicdeviceslikepersonalmusicplayersorcellphonesgetsmallerthantheyearbefore.Asthesedevicesshrink,ordinarybakerieswon’tbesmallenoughtofitinside. Theidealbatterywillstorealotofenergyinasmallpackage.Rightnow,Belcher’smodelbattery,ametallicdiskcompletely
8、builtbyviruses,lookslikearegularwatchbattery.Butinside,itscomponentsareverysmall-sotinyyoucanonlyseethemwithapowerfulmicroscope. Howsmallarethesebatteryparts?Togetsomeideaofthesize,pluckonehairfromyourhead.Placeyourhaironapieceo
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