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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.“ThereisnoCookintheAustralianMuseum,”museumcollecti
2、onmanagerJudePhilipsaidnotlongagoinannouncingtheDNAevidencethatthearrowwasnotmadeofCook’sbone.Butthatwillnotstopthemuseumfromcontinuingtodisplaythearrowinitsexhibition,“Uncovered:TreasuresoftheAustralianMuseum,”whichdoesincludeafeathercapepresentedtoCookbyHawaiianKingKalani’opu’uin1778.Cookwaso
3、neofBritain’sgreatexplorersandiscreditedwithdiscoveringthe“GreatSouthLand,”nowAustralia,in1770.HewasclubbedtodeathintheSandwichIslands,nowHawaii.ThelegendofCook’sarrowbeganin1824whenHawaiianKingKamehamehaonhisdeathbedgavethearrowtoWilliamAdams,aLondonsurgeonandrelativeofCook’swife,sayingitwasma
4、deofCook’sboneafterthefatalfightwithislanders.Inthe1890sthearrowwasgiventotheAustralianMuseumandthelegendcontinueduntilitcameface-to-facewithscience.DNAtestingbylaboratoriesinAustraliaandNewZealandrevealedthearrowwasnotmadeofCook’sbonebutwasmorelikelymadeofanimalbone,saidPhilp.However,Cook’sfan
5、srefusetogiveuphopethatoneCooklegendwillprovetrueandthatpartofhisremainswillstillbeuncovered,astheysaythereisevidencenotallofCook’sbodywasburiedatseain1779.“Onthisoccasiontechnologyhaswon,”saidCliffThornton,presidentoftheCaptainCookSociety,inastatementfromBritain.“ButIamsurethatoneofthesedays…o
6、neoftheCooklegendswillprovetobetrueanditwillhappenoneday.”【2】AvalancheandItsSafety(雪崩和安全问题)Anavalancheisasuddenandrapidflowofsnow,oftenmixedwithairandwater,downamountainside.Avalanchesareamongthebiggestdangersinthemountainsforbothlifeandproperty.Allavalanchesarecausedbyanover-burdenofmaterial,t
7、ypicallysnowpack,thatistoomassiveandunstablefortheslopethatsupportsit.Determiningthecriticalload,theamountofover-burdenwhichislikelytocauseanavalanche,isacomplextaskinvolvingtheevaluationofanumberoffactors.Terrainslopesflatterthan
