资源描述：
《高中英语 unit4 period 3 comprehending教案 新人教版必修2》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Period3Comprehending Teachingaims:1.Thissectiondealswithunderstandingofthereading.2.Thestudentswillneedtobeabletounderstandthereading.3.Workouttheanswersfromwhattheyread.Teachingimportantpoints:1.Whyweneedwildlifeprotection2.Agoodexampleofwildlifeprotection3.Whatwecangetfromwi
2、ldlifeprotectionTeachingprocedure:Step1. WarmingupbyreadingtothetapeLet’swarmupbyreadingaloudtotherecordingofthetextAboutdinosauronpage30.Step2. ListeningaboutDINOSAURSNowI’dliketotellyousomethingaboutDINOSAURS■InformationaboutDinosaurStep3.DinosaurmeansterriblelizardinLatin.T
3、heywerecalledthatbecausepeopleusedtothinkdinosaurswerelizards,buttheywerenot.Dinosaursfirstappearedabout200millionyearsago.65millionyearsago,manykindsofdinosaursbecameextinct.Birdsareaspecialtypeofdinosaurandtheyweretheonlykindtoliveuntiltoday.Thereweremanykindsofdinosaurs.Som
4、eateplantsandsomeatemeat.Thelargestdinosaurswereplant-eaterslikeapatosaurusandbrachiosaurus.Theywerethelargestanimalstoeverwalkondryland.Otherplant-eatershadspecialweaponstohelpthemfightoffthemeat-eaters.Forexample,triceratopshadthreehornsonitsface,ankylosauruswascoveredinbone
5、yplates,andstegosaurushadspikesonitstail.Themeat-eatersallranaroundontheirbacklegslikepeopledo.Somewereverylarge,liketyrannosaurus,andsomeweresmall,likecompsognathus.Itwasthesmallersizedmeat-eatersthatevolvedintobirds.Oneofthefirstbirdswasarchaeopteryx,butitlookedhalflikeadino
6、saur.Therewerelargeflyingreptilesthatlivedatthesametimeasdinosaurscalledpterosaurs,buttheywerenotcloselyrelatedtodinosaurs.Therewerealsomanykindsoflargereptilesthatcouldswim,likeichthyosaursandpleisiosaurs,buttheyweren’tcloselyrelatedtodinosaurseither.Step4:Nextweshallgobackto
7、thetextABOUTDINOSAURSonpage30againtoreaditandcopydownalltheexpressionsintoyournotebook.UsefulphrasesfromABOUTDINOSAURSDuringthehistoryoftheearth,liveontheearth,tensofmillionsofyearsago,cameintobeing,eggsoffivespecies,ararenewspecies,abird-likedinosaur,climbtree,tell…from…,dieo
8、ut,hittheearth,put…intotheair,gethot,liveon,knowforsure,inthe
