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1、第一篇CaptainCookArrowLegendItwasagreatlegendwhileitlasted,butDNAtestinghas(finally)endedatwo-century-oldstoryoftheHawaiianarrowcarvedfromtheboneofBritishexolorerCaptainJamesCook(who)diedintheSandwichIslands’in1779.“Thereis(no)CookintheAustralianMuseum,”museumcillectionmanagerJude
2、PhilipsaidnotlongagoinannouncingtheDNAevidencethatthearrowwasnotmadeofCook’sbone.Butthatwillnotstopthemuseumfromcontinuingtodispiaythearrowinits(exhibition).”Uncovered:TreasuresoftheAustralianMuseum,”which(does)incluedafeathercapepresentedtoCookbyHawaiianKingKalani’opu’uin1778.
3、CookwasoneofBritain’sgreatexplorersandiscreditedwith(discovering)the“GreatSouthLand.”(now)Australian,in1770.HewasclubbedtodeathintheSandwichIslands,nowHawaii.ThelegendofCook’sarrowbeganin1824(when)HawaiianKingKanehanehaonhisdeathbedgavethearrowtoWilliamAdams,aLondonsurgeonandre
4、lativeofCook’swife,sayingitwasmadeofCook’sboneafterthefatal(fight)withislangers.Inthe1890sthearrowwasgiventotheAustralianMuseumandthelegendcontinued(until)itcameface-to-facewithscience.DNArestingbylaboratoriesinAustraliaandNewZealandrevealedthearrowwasnotmadeofCook’sbonebutwasm
5、ore(likely)madeofanimalbone,saidPhilp.However,Cook’sfans(refuse)togiveuphopethatoneConnklegendwillprovetrueandthatpartofhisremainswillstillbeuncovered,astheysaythereisevidencenotallofCook’sbodywas(buried)atseain1779.“Onthisoccasionrechnologyhaswon,”saidCliffThornton,presidentof
6、theCaptainCookSociety,ina(statenent)fromBritain.“ButIam(sure)thatoneofthesedays…oneoftheCooklegendswillprovetotureanditwillhappenoneday.”第二篇AvalancheandItsSafetyAnavalancheisasuddenandripiaflowofsnow,oftenmixedwithairandwater,downamountainside.AvalancheSare(among)thebiggestdang
7、ersinthemountainsforbothlifeandpropety.Allavalanchesarecausedbyanover-burdenofmaterial,typicallysnowpack,thatistoomassiveandunsatablefortheslope(that)supportsit.Determiningthecriticalload,theamountofover-burdenwhichis(likely)tocauseanavalanche,(is)acompiextaskinvolvingtheevalua
8、tionofanumberoffactors.Terrainslopesflatterthan25degre
