Unit4WildlifeprotectionPartOne:TeachingDesignPeriod3:AsamplelessonplanforUsingLanguage(ABOUTDINOSAURS)AimsToreadandlistenaboutdinosaursTospeakabouthelpingthedodoTowritetothedodoProceduresI.WarmingupbyreadingtothetapeLet’swarmupbyreadingaloudtotherecordingofthetextABOUTDINOSAURSonpage30.II.ListeningaboutDINOSAURSNowI’dliketotellyousomethingaboutDINOSAURS■InformationaboutDinosaurDinosaurmeansterriblelizardinLatin.Theywerecalledthatbecausepeopleusedtothinkdinosaurswerelizards,buttheywerenot.Dinosaursfirstappearedabout200millionyearsago.65millionyearsago,manykindsofdinosaursbecameextinct.Birdsareaspecialtypeofdinosaurandtheyweretheonlykindtoliveuntiltoday.Thereweremanykindsofdinosaurs.Someateplantsandsomeatemeat.Thelargestdinosaurswereplant-eaterslikeapatosaurusandbrachiosaurus.Theywerethelargestanimalstoeverwalkondryland.Otherplant-eatershadspecialweaponstohelpthemfightoffthemeat-eaters.Forexample,triceratopshadthreehornsonitsface,ankylosauruswascoveredinboneyplates,andstegosaurushadspikesonitstail.Themeat-eatersallranaroundontheirbacklegslikepeopledo.Somewereverylarge,liketyrannosaurus,andsomeweresmall,likecompsognathus.Itwasthesmallersizedmeat-eatersthatevolvedintobirds.Oneofthefirstbirdswasarchaeopteryx,butitlookedhalflikeadinosaur.Therewerelargeflyingreptilesthatlivedatthesametimeasdinosaurscalledpterosaurs,buttheywerenot用心爱心专心116号编辑closelyrelatedtodinosaurs.Therewerealsomanykindsoflargereptilesthatcouldswim,likeichthyosaursandpleisiosaurs,buttheyweren’tcloselyrelatedtodinosaurseither.III.ReadingandcopyingNextweshallgobacktothetextABOUTDINOSAURSonpage30againtoreaditandcopydownalltheexpressionsintoyournotebook.UsefulphrasesfromABOUTDINOSAURSDuringthehistoryoftheearth,liveontheearth,tensofmillionsofyearsago,cameintobeing,eggsoffivespecies,ararenewspecies,abird-likedinosaur,climbtree,tell…from…,dieout,hittheearth,put…intotheair,gethot,liveon,knowforsure,inthesameway,listentothestoryabout…,disappearfrom…IV.ReadingtoanswerquestionsReadthequestionsinthetablebelowandscanthetexttoanswerthem.V.ListeningaboutthedodoHaveyoueverheardofthedodo,ananimalthathasalsodisappearedfromtheearth?TheMauritiusDodo(Raphuscucullatus,calledDidusineptusbyLinnaeus),morecommonlyjustDodo,wasametre-highflightlessbirdoftheislandofMauritius.TheDodo,whichisnowextinct,livedonfruitandnestedontheground.Nextwearegoingtolistentothetapeanddoexercises1and2onpage30ondodo.VI.SpeakinginpairsabouthelpingthedodoZhaoYannan:TheDodowasdriventoextinctionbysailorswhentheydiscoveredtheislandofMaritiusinthe17thcentury.Itisoneofthefirstdocumentedhumaninducedextinctions.ZhaoYanfei:Whatapitythatwecannotfindanydodonow.Imaginewearewiththedodo,Yannan,whatcouldwedotohelpit?ZhaoYannan:ThenIwouldintendtohideitinacave,sothatsailorscouldnotfindit.ZhaoYanfei:IfIwerethere,Iwouldtrytotrapthemastheywerecatchingandkillingthedodo.Puttingmanwhoisharmfultothedodoinacageandattackinghimisthebestwaytoprotectandsavethedodo.ZhaoYannan:I’dliketoandI’mreadyto,teachmanhowtobefriendswithanimals,includingthedodo.Themanandthedodocanbelivingsidebysideontheearth.Theycanbehappytogether.ZhaoYanfei:IwouldrathernottellyouwhatIthinkofman.Heisselfishandcruel.Hecaresonlyforhimselfandthatiswhysomanyanimalshavedisappearedfromthisearth.Puttingthebadmeninacageistheonlywayout,I用心爱心专心116号编辑amsure.VII.ClosingdownbywritingtothedodoAllrightnow,boysandgirls,toendthisperiodnextyouaretowritealetteroranemailtothedodotellinghimwhatyouaregoingtodotosavehim.用心爱心专心116号编辑
