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1、2019-2020年高中英语unit4Period3prehending教案新人教版必修2 Teachingaims:1.Thissectiondealswithunderstandingofthereading.2.Thestudentswillneedtobeabletounderstandthereading.3.Workouttheanswersfromwhattheyread.Teachingimportantpoints:1.Whyweneedwildlifeprotection2.Agoodexampleofwil
2、dlifeprotection3.WhatwecangetfromwildlifeprotectionTeachingprocedure:Step1. WarmingupbyreadingtothetapeLet’swarmupbyreadingaloudtotherecordingofthetextAboutdinosauronpage30.Step2. ListeningaboutDINOSAURSNowI’dliketotellyousomethingaboutDINOSAURS■InformationaboutDinos
3、aurStep3.DinosaurmeansterriblelizardinLatin.Theywerecalledthatbecausepeopleusedtothinkdinosaurswerelizards,buttheywerenot.Dinosaursfirstappearedabout200millionyearsago.65millionyearsago,manykindsofdinosaursbecameextinct.Birdsareaspecialtypeofdinosaurandtheyweretheonl
4、ykindtoliveuntiltoday.Thereweremanykindsofdinosaurs.Someateplantsandsomeatemeat.Thelargestdinosaurswereplant-eaterslikeapatosaurusandbrachiosaurus.Theywerethelargestanimalstoeverwalkondryland.Otherplant-eatershadspecialweaponstohelpthemfightoffthemeat-eaters.Forexamp
5、le,triceratopshadthreehornsonitsface,ankylosauruswascoveredinboneyplates,andstegosaurushadspikesonitstail.Themeat-eatersallranaroundontheirbacklegslikepeopledo.Somewereverylarge,liketyrannosaurus,andsomeweresmall,likepsognathus.Itwasthesmallersizedmeat-eatersthatevol
6、vedintobirds.Oneofthefirstbirdswasarchaeopteryx,butitlookedhalflikeadinosaur.Therewerelargeflyingreptilesthatlivedatthesametimeasdinosaurscalledpterosaurs,buttheywerenotcloselyrelatedtodinosaurs.Therewerealsomanykindsoflargereptilesthatcouldswim,likeichthyosaursandpl
7、eisiosaurs,buttheyweren’tcloselyrelatedtodinosaurseither.Step4:NextweshallgobacktothetextABOUTDINOSAURSonpage30againtoreaditandcopydownalltheexpressionsintoyournotebook.UsefulphrasesfromABOUTDINOSAURSDuringthehistoryoftheearth,liveontheearth,tensofmillionsofyearsago,
8、cameintobeing,eggsoffivespecies,ararenewspecies,abird-likedinosaur,climbtree,tell…from…,dieout,hittheearth,put…intotheair,gethot,li
