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1、Unit1WatchingvideoSCRIPTNarrator:Thecheetah.Withanastonishingabilitytosprintfromzerotoeightykilometersperhourinjustthreeseconds,it9sthefastestanimalonland・Atfullspeed,itcanreachalmost100kilometersperhour.Nothingcanescapeacheetahatfullsprint.Unfortunately,thisbeautiful,sh
2、yanimalisinseriousdangerofbecomingextinct.Inordertohelp,NationalGeographicissendingateamintotheMoremiWildlifeReserveofBotswana.Theirgoalistohelpsavethesemagnificentcreaturesbycapturingthemonfilm.ThecityofJohannesburg,SouthAfrica,isthefinalstopbeforetheteam'sjourneyintoth
3、ewildsofAfrica.HeadingtheexpeditionisChrisJohns,aphotographerformorethan25years.Chrishasbeenplanningthistripforalongtime,andaccompanyinghimisguideDaveHamman.DavehaslivedinsouthernAfricamostofhislifeandknowstheregionwell.Hisknowledgewillbeusefulasthetwomenheadmorethan800k
4、ilometersnorthintoBotswanaandthewonderfulOkavangoDelta.TheMoremiReserveisatrulymagicalplace・ItseemsthatAfrica'sentireanimalkingdomresidesintheregion.Zebras,buffaloes,andelephantsareeasilyviewedfromtheroughdirtroad.Evenagiraffemakesanappearance.ChrisandDavecontinuetheirdr
5、iveintotheevening・Theyneedtobefarintothewildernesstobegintheirtask:findingcheetahs・Narrator:Thenextday,they5reupearlytobegintheirsearch.ChrisJohns,NationalGeographicPhotographer:"Youcan'tjustdriveoutthereandorderupacheetah.Itdoesn'thappenlikethat.Youknowthatitcouldtakeda
6、ys,weeks."Narrator:ButthensomethingincrediblyunexpectedoccursDaveHamman:“Idon%believethis."Narrator:Itafemaleandfiveofheryoung・Hamman:“Thisisjustnotnormal.^Narrator:Duringallofhisyearsinthebush,Davehasneverlocatedsomanycheetahsthisquickly.Thisisexactlywhattheyhadbeenhop
7、ingfo匚ThediscoveryisespeciallypromisingforChris.Johns:"CheetahsareametaphorforsomeofAfricansconservationproblems.Becausecheetahsneedrange,andthey9reagoodwaytoexplaintopeoplethatlossofhabitatmeansthepotentiallossofspecies.Andit'spossiblethatinmylifetimecheetahscouldbecome
8、extinctinthewild,andthat's—tome一atragedythat，sunspeakable?9Narrator:TheMoremiWildlifeReservehasofferedC
