Unit21HumanBiology【导读】《绿野仙踪》是美国作家莱·弗·鲍姆的优秀儿童文学作品。作者以奇特的想象力描述了一个小女孩因被旋风刮到奥芝国,和她的三个朋友:狮子,稻草人,铁皮人团结在一起,共同克服困难,战胜险恶,为了实现自己的愿望,不屈不挠地同恶魔斗争最终如愿以偿的故事。TheWizardofOz(Excerpt)DorothylivedinthemidstofthegreatKansasprairies,withUncleHenry,whowasafarmer,andAuntEm,whowasthefarmer'swife.Theirhousewassmall,forthelumbertobuildithadtobecarriedbywagonmanymiles.Therewerefourwalls,afloorandaroof,whichmadeoneroom;andthisroomcontainedarustylookingcookstove,acupboardforthedishes,atable,threeorfourchairs,andthebeds.UncleHenryandAuntEmhadabigbedinonecorner,andDorothyalittlebedinanothercorner.Therewasnogarretatall,andnocellar—exceptasmallholedugintheground,calledacyclonecellar,wherethefamilycouldgoincaseoneofthosegreatwhirlwindsarose,mightyenoughtocrushanybuildinginitspath.Itwasreachedbyatrapdoorinthemiddleofthefloor,fromwhichaladderleddownintothesmall,darkhole.WhenDorothystoodinthedoorwayandlookedaround,shecouldseenothingbutthegreatgrayprairieoneveryside.Notatreenorahousebrokethebroadsweepofflatcountrythatreachedtotheedgeoftheskyinalldirections.Thesunhadbakedtheplowedlandintoagraymass,withlittlecracksrunningthroughit.Eventhegrasswasnotgreen,forthesunhadburnedthetopsofthelongbladesuntiltheywerethesamegraycolortobeseeneverywhere.Oncethehousehadbeenpainted,butthesunblisteredthepaintandtherainswasheditaway,andnowthehousewasasdullandgrayaseverythingelse.WhenAuntEmcametheretoliveshewasayoung,prettywife.Thesunandwindhadchangedher,too.Theyhadtakenthesparklefromhereyesandleftthemasobergray;theyhadtakentheredfromhercheeksandlips,andtheyweregrayalso.Shewasthinandgaunt,andneversmilednow.WhenDorothy,whowasanorphan,firstcametoher,AuntEmhadbeensostartledbythechild'slaughterthatshewouldscreamandpressherhanduponherheartwheneverDorothy'smerryvoicereachedherears;andshestilllookedatthelittlegirlwithwonderthatshecouldfindanythingtolaughat.UncleHenryneverlaughed.Heworkedhardfrommorningtillnightanddidnotknowwhatjoywas.Hewasgrayalso,fromhislongbeardtohisroughboots,andhelookedsternandsolemn,andrarelyspoke.ItwasTotothatmadeDorothylaugh,andsavedherfromgrowingasgrayasherothersurroundings.Totowasnotgray;hewasalittleblackdog,withlongsilkyhairandsmallblackeyesthattwinkledmerrilyoneithersideofhisfunny,weenose.Totoplayedalldaylong,andDorothyplayedwithhim,andlovedhimdearly.Today,however,theywerenotplaying.UncleHenrysatuponthedoorstepandlookedanxiouslyatthesky,whichwasevengrayerthanusual.DorothystoodinthedoorwithTotoinherarms,andlookedattheskytoo.AuntEmwaswashingthedishes.Fromthefarnorththeyheardalowwailofthewind,andUncleHenryandDorothycouldseewherethelonggrassbowedinwavesbeforethecomingstorm.Therenowcameasharpwhistlingintheairfromthesouth,andastheyturnedtheireyesthatwaytheysawripplesinthegrasscomingfromthatdirectionalso.SuddenlyUncleHenrystoodup.“There'sacyclonecoming,Em,”hecalledtohiswife.“I'llgolookafterthestock.”Thenherantowardtheshedswherethecowsandhorseswerekept.AuntEmdroppedherworkandcametothedoor.Oneglancetoldherofthedangercloseathand.“Quick,Dorothy!”shescreamed.“Runforthecellar!”TotojumpedoutofDorothy'sarmsandhidunderthebed,andthegirlstartedtogethim.AuntEm,badlyfrightened,threwopenthetrapdoorinthefloorandclimbeddowntheladderintothesmall,darkhole.DorothycaughtTotoatlastandstartedtofollowhe...