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1、2015年职称英语理工A重点文章完型填空小抄版字典版【1】CaptainCookArrowLegend(库克船长弓箭的传说)Itwasagreatlegendwhileitlasted,butDNAtestinghasfinallyendedatwo-century-oldstoryoftheHawaiianarrowcarvedfromtheboneofBritishexplorerCaptainJamesCookwhodiedintheSandwichIslandsin1779.“ThereisnoCoo
2、kintheAustralianMuseum,”museumcollectionmanagerJudePhilipsaidnotlongagoinannouncingtheDNAevidencethatthearrowwasnotmadeofCook’sbone.Butthatwillnotstopthemuseumfromcontinuingtodisplaythearrowinitsexhibition,“Uncovered:TreasuresoftheAustralianMuseum,”whichdoe
3、sincludeafeathercapepresentedtoCookbyHawaiianKingKalani’opu’uin1778.CookwasoneofBritain’sgreatexplorersandiscreditedwithdiscoveringthe“GreatSouthLand,”nowAustralia,in1770.HewasclubbedtodeathintheSandwichIslands,nowHawaii.ThelegendofCook’sarrowbeganin1824whe
4、nHawaiianKingKamehamehaonhisdeathbedgavethearrowtoWilliamAdams,aLondonsurgeonandrelativeofCook’swife,sayingitwasmadeofCook’sboneafterthefatalfightwithislanders.Inthe1890sthearrowwasgiventotheAustralianMuseumandthelegendcontinueduntilitcameface-to-facewithsc
5、ience.DNAtestingbylaboratoriesinAustraliaandNewZealandrevealedthearrowwasnotmadeofCook’sbonebutwasmorelikelymadeofanimalbone,saidPhilp.However,Cook’sfansrefusetogiveuphopethatoneCooklegendwillprovetrueandthatpartofhisremainswillstillbeuncovered,astheysaythe
6、reisevidencenotallofCook’sbodywasburiedatseain1779.“Onthisoccasiontechnologyhaswon,”saidCliffThornton,presidentoftheCaptainCookSociety,inastatementfromBritain.“ButIamsurethatoneofthesedays…oneoftheCooklegendswillprovetobetrueanditwillhappenoneday.”【2】Avalan
7、cheandItsSafety(雪崩和安全问题)Anavalancheisasuddenandrapidflowofsnow,oftenmixedwithairandwater,downamountainside.Avalanchesareamongthebiggestdangersinthemountainsforbothlifeandproperty.Allavalanchesarecausedbyanover-burdenofmaterial,typicallysnowpack,thatistoomas
8、siveandunstablefortheslopethatsupportsit.Determiningthecriticalload,theamountofover-burdenwhichislikelytocauseanavalanche,isacomplextaskinvolvingtheevaluationofanumberoffactors.Terrainslopesflatterthan
