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Hello!Everyone!Let’shaveahappyclass!!!
Lesson43OvertheSouthPole
Firstlistenandthenanswerthequestion.
听录音，然后回答以下问题。Howwastheplaneabletoclearthemountains?TheAmericanexplorerorderedhismentothrowouttwoheavyfoodsackssotheplaneroseto10000feet.
Newwordsandexpressions生词和短语polen.（地球的）极flightn.飞行explorern.探险家liev.处于seriousadj.严重的pointn.地点seemv.似乎crashv.坠毁sackn.袋子clearv.越过aircraftn.飞机endlessadj.无尽的plainn.平原
In1929,threeyearsafterhisflightovertheNorthPole,theAmericanexplorer,R.E.Byrd,successfullyflewovertheSouthPoleforthefirsttime.Though,atfirst,Byrdandhismenwereabletotakeagreatmanyphotographsofthemountainsthatlaybelow,theysoonranintoserioustrouble.Atonepoint,itseemedcertainthattheirplanewouldcrash.
Itcouldonlygetoverthemountainsifitroseto10,000feet.Byrdatonceorderedhismentothrowouttwoheavyfoodsacks.Theplanewasthenabletoriseanditclearedthemountainsby400feet.ByrdnowknewthathewouldbeabletoreachtheSouthPolewhichwas300milesaway,fortherewerenomoremountainsinsight.Theaircraftwasabletoflyovertheendlesswhiteplainswithoutdifficulty.
Askandanswer:1.WhendidthemansuccessfullyflyovertheSouthPoleforthefirsttime?2.WhosuccessfullyflewovertheSouthpoleforthefirsttime?3.Wouldtheplanecrash?4.Howdidtheyclearthemountain?5.WhydidByrdnowknowthathewouldbeabletoreachtheSouthPole?6.Wasthereanydifficulties?
canCanisoneofthemostcommonlyusedmodalverbsinEnglish.Itcanbeusedtoexpressabilityoropportunity,torequestorofferpermission,andtoshowpossibilityorimpossibility.Examples:Icanrideahorse.abilityWecanstaywithmybrotherwhenweareinParis.opportunityShecannotstayoutafter10PM.permissionCanyouhandmethestapler?requestAnychildcangrowuptobepresiden
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