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1、Unit4Publictransport一、阅读理解。＂Iseeyou’vegotabitofwateronyourcoat,’’saidthemanatthepetrolstation.‘‘Isitrainingoutthere?’’‘‘No.it’sprettynice,＂Ireplied,checkingmysleeve.＂Oh,right.Apony(马驹)bitmeearlier.＂Asithappened,thebitewasvirtuallypainless:morethekindofsma
2、llbiteyoumightgetfromanaughtychild.TheponyresponsiblewasqueuingupforsomeicecreaminthecarparknearHaytor,andperhapsthoughtI’djumpedinaheadofhim.ThereasonwhytheponiesherearenaughtyisthatHaytorisatourist—heavyareaandtouristsareconstantlyfeedingtheponiesfoods,
3、despitesignsaskingthemnotto.Byfeedingtheponies,touristsincreasetheriskofthemgettinghitbyacar,andmakethemhardertogatherduringthearea’sannualponydrift(迁移).Thepurposeofaponydriftistogatherthemupsotheirhealthcanbechecked,thebabyonescanbestoppedfromfeedingonth
4、eirmothers’milk,andthosewho’vegonebeyondtheirlimitedareacanbereturnedtotheircorrectarea.Someofthemarealsolatersold,inordertolimitthenumberofponiesaccordingtotherulessetbyNaturalEngland.Threeweeksago,Iwitnessedasmallnear—disasterafewmileswestofhere.Whilewa
5、lking,Inoticedaponyrolloveronhisback.＂Hello!＂Isaidtohim,assuminghewasjustrollingforfun,buthewasverystilland,asIgotcloser,Isawhimkickinghislegsintheairandbreathingheavily.Ibegantoproperlyworry.abouthim.Fortunately,ImanagedtogetintouchwithaDartmoor’sLivesto
6、ckProtectionofficerandsendheraphoto.Theofficerimmediatelysentalocalfarmerouttocheckonthepony.Theponyhadactuallybeentrappedbetweentworocks.Thefarmerfreedhim,andhebegantorunhappilyaroundagain.Dartmoorhas1,000orsoponies,whoplayacriticalroleincreatingthediver
7、sityofspeciesinthisarea.Manypeopleareworkinghardtopreservetheseponies,andtryingtocomeupwithplanstofindasustainable(可持续的)futureforoneofDartmoor’smostfinancially—troubledelements.91.Whyaretouristsaskednottofeedtheponies?A.Toprotectthetouristsfrombeingbitten
8、.B.Tokeeptheponiesoffthepetrolstation.C.Toavoidputtingtheponiesindanger.D.Topreventtheponiesfromfighting.2.Oneofthepurposesoftheannualponydriftis_________.A.tofeedbabyponiesonmilkB.tocontrolthenumberofponiesC.toexpa
