高中英语 Unit 21 Human Biology英美文化欣赏（教师用书）教案 北师大版选修7-北师大版高二选修7英语教案VIP免费

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.DorothycaughtTotoatlastandstartedtofollow...