2013职称英语理工类阅读理解原文答案译文之20精选

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1、ExploreroftheExtremeDeep　　Oceanscovermorethantwo-thirdsofourplanet．Yet，justasmallfractionoftheundcrwalerworldhasbeenuxplored．Now，ScientistsattheWoodsHole1OceanographicInstitution(WHOI)inMassachusettsarebuildinganunderwatervehiclehatwillcarryexplorersasdeepas6,500me

2、ters(21,320feet)．Thenewmachine，knownasamannedsubmersibleorhuman-operatedvehicle(HOV)，willreplaceanotheronenamedAlvin2whichbasanamazingrecordofdiscovery，playingakeyroleinvariousimportantandfamousunderseaexpeditions．Alvinhasbeenoperatingfor40yearsbutcangodownonly4,50

3、0meters(14,784feet)．It’sabouttimeforanupgrade，WHOIresearcherssay．　　Alvinwaslaunchedin1964．Sincethen，Alvinhasworkedbetween200and250daysayear，saysDanielFornari，amarinegeologistanddirectoroftheDeepOceanExplorationInstituteatWHOI．Duringitslifetime，Alvinhascarriedsome12

4、,000peopleonatotalofmorethan3,000dives．Anewer，betterversionsofAlvinisboundtorevealevenmoresurprisesahoutaworldthatisstillfullofmysteries，Fornarisays．Itmightalsomakethejobofexplorationalittleeasier．“Wetakesomuchforgrantedonland,”Fornarisays．“Wecanwalkaroundandseewit

5、houreyeshowbigthingsare．Wecanseecolors，specialarrangements．”　　Size-wise，thenewHOVwillbesimilartoAlvin．It’llbeabout37feetlong．Thesettingareainsidewillbeasmallsphere，about8feetwide，likeAlvin，it’llcarryapilotandtwopassengers．Itwillbejustasmaneuverable．Inmostotherways，

6、itwillgivepassengersmoreopportunitiestoenjoytheview，foronething．Alvinhasonlythreewindows，thenewvehiclewillhavefive，withmoreoverlapsothatthepassengersandthepilotcanseethesamething．　　Alvincangoupanddownatarateof30meterseverysecond，anditsmaximumspeedis2knots(about2．3m

7、ilesperhour)，whilethenewvehiclewillbeabletoascendanddescendat44meterspersecond．It’llreachspeedsof3knots，or3．5milesperhour．　　词汇：　　fraction/5frAkFEn/n．一部分dive/daiv/v．＆n．潜水；跳水　　underwater/5QndE5wC:tE(r)/adj．bound/baund/adj．受约束的，一定的　水下的；adv．在水下　　sphere/sfiE(r)/n．球体；范围m

8、anned/5mAnd/adj．载人的　　maneuverable/mE5nu:vErEbl/adj．undersea/5QndEsi:/adj．海底的　　机动的，可调动的submersible/sQb5mE:sEbl/n．潜艇；潜水器　　overlap/5EuvE5lAp/v．＆n．重叠