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时间:2020-03-26
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1、托福听力十大必背段子1010.000147理科段子:地理冒险 Goodmorning,class.Beforewebegintoday,Iwouldliketoaddressanissuethatoneofyouremindedmeofafterthelastlecture.Asyoumayrecall,lasttimeImentionedthatRobertE.PearywasthefirstpersontoreachtheNorthPole.WhatIneglectedtomentionwasthecontroversyaro
2、undPeary'spioneeringaccomplishment.In1910,acommitteeofthenationalgeographicalsocietyexaminedCommodorePeary'sclaimtohavereachedtheNorthPoleonApril6th'1909andfoundnoreasontodoubthim.ThisjudgmentwasactuallyconfirmedbyacommitteeoftheUScongressin1911.Nevertheless,Peary'scla
3、imwassurroundedbycontroversy.TinswaslargelyduetothecompetingclaimofDoctorFredericCookwhotoldtheworldhehadreachedthePoleafour-yearearlier.OverthedecadesPearywasgiventhebenefitofthedoubt,butcriticspersistedinraisingquestionsabouthisnavigationandthedistancesheclaimedtohav
4、ecovered.SotheNavigationFoundationspentanadditional12monthsofexhaustiveexaminationofdocumentsrelatingtoPeary'spolarexpedition.ThedocumentssupposedPeary'sclaimsaboutthedistanceshecovered.AfteralsoconductinganextensivecomputeranalysisofphotostakenbyPearyatthepole,theycon
5、cludedthatPierreandhiscompanionsdidinfactreachthenearvicinityoftheNorthPoleonApril6th.1909.OK,todaywe'regoingtotalkaboutexplorationoftheoppositeendoftheworld,Iassumeyouallreadchapter3inourtextandarenowfamiliarwiththenames:EmersonandScott.
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