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1、第六部分完形填空第一篇CaptainCookArrowLegendItwasagreatlegendwhileitlasted,butDNAtestinghas1finallyendedatwo-century-oldstoryoftheHawaiianarrowcarvedfromtheboneofBritishexplorerCaptainJamesCook2whodiedintheSandwichIslands1in1179.“Thereis3noCook2intheAustralianMuseum,”museumcollectionm
2、anagerJudePhilipsaidnotlongagoinannouncingtheDNAevidencethatthearrowwasnotmadeofCook’sbone.Butthatwillnotstopthemuseumfromcontinuingtodisplaythearrowinits4exhibition,“Uncovered:TreasuresoftheAustralianMuseum,3”which5doesincludeafeathercapepresentedtoCookbyHawaiianKingKalani
3、’opu’uin1778.CookwasoneofBritain’sgreatexplorersandiscreditedwith6discoveringthe“GreatSouthLand,”7nowAustralia,in1770.HewasclubbedtodeathintheSandwichIslands,nowHawaii.ThelegendofCook’sarrowbeganin18248whenHawaiianKingKamehamchaonhisdeathbedgavethearrowtoWilliamAdams,aLondo
4、nsurgeonandrelativeofCook’swife,sayingitwasmadeofCook’sboneafterthefatal9fightwithislanders.Inthe1890sthearrowwasgiventotheAustralianMuseumandthelegendcontinued10untilitcameface-to-facewithscience.DNAtestingbylaboratoriesinAustraliaandNewZealandrevealedthearrowwasnotmadeofC
5、ook’sbonebutwasmore11likelymadeofanimalbone,saidPhilp.However,Cook’sfans12refusetogiveuphopethatoneCooklegendwillprovetrueandthatpartofhisremainswillstillbeuncovered,astheysaythereisevidencenotallofCook’sbodywas13buriedatseain1779.“Onthisoccasiontechnologyhaswon,4”saidCliff
6、Thornton,presidentoftheCaptainCookSociety，ina14statementfromBritain.“ButIam15surethatoneofthesedays…oneoftheCooklegendswillprovetobetrueanditwillhappenoneday.”答案与题解：1.A2.B3.D4.B5.D6.A7.B8.C9.B10.B11.C12.A13.Dw14.A15.C第二篇AvalancheandItsSafetyAnavalancheisasuddenandrapidflowo
7、fsnow,oftenmixedwithairandwater,downamountainside.Avalanchesare1amongthebiggestdangersinthemountainsforbothlifeandproperty.Allavalanchesarecausedbyanover-burdenofmaterial,typicallysnowpack,thatistoomassiveandunstablefortheslope2thatsupportsit.Determiningthecriticalload,thea
8、mountofover-burdenwhichis3likelyanavalanche,4isacomplextaskinvolvingtheevaluationo
