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1、Unit1WatchingvideoSCRIPTNarrator:Thecheetah.Withanastonishingabilitytosprintfromzerotoeightykilometersperhourinjustthreeseconds,it’sthefastestanimalonland.Atfullspeed,itcanreachalmost100kilometersperhour.Nothingcanescapeacheetahatfullsprint.Unfortunatel
2、y,thisbeautiful,shyanimalisinseriousdangerofbecomingextinct.Inordertohelp,NationalGeographicissendingateamintotheMoremiWildlifeReserveofBotswana.Theirgoalistohelpsavethesemagnificentcreaturesbycapturingthemonfilm.ThecityofJohannesburg,SouthAfrica,isthef
3、inalstopbeforetheteam’sjourneyintothewildsofAfrica.HeadingtheexpeditionisChrisJohns,aphotographerformorethan25years.Chrishasbeenplanningthistripforalongtime,andaccompanyinghimisguideDaveHamman.DavehaslivedinsouthernAfricamostofhislifeandknowstheregionwe
4、ll.Hisknowledgewillbeusefulasthetwomenheadmorethan800kilometersnorthintoBotswanaandthewonderfulOkavangoDelta.TheMoremiReserveisatrulymagicalplace.ItseemsthatAfrica’sentireanimalkingdomresidesintheregion.Zebras,buffaloes,andelephantsareeasilyviewedfromth
5、eroughdirtroad.Evenagiraffemakesanappearance.ChrisandDavecontinuetheirdriveintotheevening.Theyneedtobefarintothewildernesstobegintheirtask:findingcheetahs.Narrator:Thenextday,they’reupearlytobegintheirsearch.ChrisJohns,NationalGeographicPhotographer:“Yo
6、ucan’tjustdriveoutthereandorderupacheetah.Itdoesn’thappenlikethat.Youknowthatitcouldtakedays,weeks.”Narrator:Butthensomethingincrediblyunexpectedoccurs...DaveHamman:“Idon’tbelievethis.”Narrator:It’safemaleandfiveofheryoung.Hamman:“Thisisjustnotnormal.”N
7、arrator:Duringallofhisyearsinthebush,Davehasneverlocatedsomanycheetahsthisquickly.Thisisexactlywhattheyhadbeenhopingfor.ThediscoveryisespeciallypromisingforChris.Johns:“CheetahsareametaphorforsomeofAfrica’sconservationproblems.Becausecheetahsneedrange,a
8、ndthey’reagoodwaytoexplaintopeoplethatlossofhabitatmeansthepotentiallossofspecies.
Andit’spossiblethatinmylifetimecheetahscouldbecomeextinctinthewild,andthat’s—tome—atragedythat’sunspeakable.”Narrator:TheMoremiWildlifeReservehaso
