[理工类b]阅读理解

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1、大家论坛职称英语http://club.topsage.com/forum-109-1.html大家论坛职称英语版块：http://club.topsage.com/forum-109-1.html2011年职称英语教材（理工类B）幺建华押题班第一位阅读理解第34、38、33篇WORD【第一位】*第三十四篇BatteriesBuiltbyViruses*第三十八篇LongerLivesforWildElephants*第三十三篇ExpertsCallforLocalandRegionalControlofSitesforRadiocativeWas

2、te*第三十四篇BatteriesBuiltbyVirusesWhatdochickenpox，thecommoncold,theflu，andAIDShaveincommon?They’realldiseasecausedbyviruses，tinymicroorganismsthatcanpassfrompersontoperson．It'snowonder1thatwhenmostpeoplethinkaboutviruses,findingwayst0steerclearof2virusesiswhat'sonpeople'sminds．N

3、oteveryonerunsfromthetinydiseasecarders,though3．InCambridge,Massachusetts4,scientistshavediscoveredthatsomevirusescanbehelpfulinanunusualway．Theyareputtingvirusestowork,teachingthemtobuildsomeoftheworld'ssmallestrechargeablebatteries．Virusesandbatteriesmayseemlikeanunusualpair

4、，butthey'renotsostrangeforengineerAngelaBelcher，whofirstcameupwith5theidea．AttheMassachusettsInstituteofTechnology(MIT)inCambridge,sheandhercollaboratorsbringtogetherdifferentareasofscienceinnewways．Inthecaseofthevirus-builtbatteries,thescientistscombinewhattheyknowaboutbiolog

5、y,technologyandproductiontechniques．Belcher'steamincludesPaulaHammond，whohelpsputtogetherthetinybatteries,andYet-MingChiang，anexpertonhowtostoreenergyintheformofabattery．“We’reworkingonthingswetraditionallydon’tassociatewithnature．”saysHammond．Manybatteriesarealreadyprettysmal

6、l．YoucanholdA．CandDbatteries6inyourhand．Thecoin—likebatteriesthatpowerwatchesareoftensmallerthanapenny．However。everyyear，newelectronicdeviceslikepersonalmusicplayersorcellphonesgetsmallerthantheyearbefore．Asthesedevicesshrink,ordinarybatterieswon'tbesmallenoughtofitinside．Thei

7、dealbatterywillstorealotofenergyinasmallpackage．Rightnow，Belcher'smodelbattery，ametallicdiskcompletelybuiltbyviruses，lookslikearegularwatchbattery．Butinside，itscomponentsareverysmall—sotinyyoucanonlyseethemwithapowerfulmicroscope．Howsmallarethesebatteryparts?Togetsomeideaofthe

8、size，pluckonehairfromyourhead．Placeyourhaironapieceofwhitepap