资源描述：
《2012职称英语完形填空》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、CaptainCookArrowLegend(库克船长弓箭的传说)Itwasagreatlegendwhileitlasted,butDNAtestinghasfinallyendedatwo-century-oldstoryoftheHawaiianarrowcarvedfromtheboneofBritishexplorerCaptainJamesCookwhodiedintheSandwichIslandsin1779.“ThereisnoCookintheAustralianMuseum
2、,”museumcollectionmanagerJudePhilipsaidnotlongagoinannouncingtheDNAevidencethatthearrowwasnotmadeofCook’sbone.Butthatwillnotstopthemuseumfromcontinuingtodisplaythearrowinitsexhibition,“Uncovered:TreasuresoftheAustralianMuseum,”whichdoesincludeafeathe
3、rcapepresentedtoCookbyHawaiianKingKalani’opu’uin1778.CookwasoneofBritain’sgreatexplorersandiscreditedwithdiscoveringthe“GreatSouthLand,”nowAustralia,in1770.HewasclubbedtodeathintheSandwichIslands,nowHawaii.ThelegendofCook’sarrowbeganin1824whenHawaiia
4、nKingKamehamehaonhisdeathbedgavethearrowtoWilliamAdams,aLondonsurgeonandrelativeofCook’swife,sayingitwasmadeofCook’sboneafterthefatalfightwithislanders.Inthe1890sthearrowwasgiventotheAustralianMuseumandthelegendcontinueduntilitcameface-to-facewithsci
5、ence.DNAtestingbylaboratoriesinAustraliaandNewZealandrevealedthearrowwasnotmadeofCook’sbonebutwasmorelikelymadeofanimalbone,saidPhilp.However,Cook’sfansrefusetogiveuphopethatoneCooklegendwillprovetrueandthatpartofhisremainswillstillbeuncovered,asthey
6、saythereisevidencenotallofCook’sbodywasburiedatseain1779.“Onthisoccasiontechnologyhaswon,”saidCliffThornton,presidentoftheCaptainCookSociety,inastatementfromBritain.“ButIamsurethatoneofthesedays…oneoftheCooklegendswillprovetobetrueanditwillhappenoned
7、ay.”AvalancheandItsSafety(雪崩和安全问题)Anavalancheisasuddenandrapidflowofsnow,oftenmixedwithairandwater,downamountainside.Avalanchesareamongthebiggestdangersinthemountainsforbothlifeandproperty.Allavalanchesarecausedbyanover-burdenofmaterial,typicallysnow
8、pack,thatistoomassiveandunstablefortheslopethatsupportsit.Determiningthecriticalload,theamountofover-burdenwhichislikelytocauseanavalanche,isacomplextaskinvolvingtheevaluationofanumberoffactors.Terrainslopesflatterthan25degreesorsteeperthan60degreest
