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2019-2020年人教版高中英语必修2Unit4Wildlifeprotectionperiod4教案2I.Teachingaims:
1.Toreadandlistenaboutdinosaurs.
2.Tospeakabouthelpingthedodo.
3.Trainthestudentsreadingability:scanning.
4.Tomasterthefollowingexpressions:dinosaur;eintobeing;inspect;incident;dust;fierce;accordingto;II.Teachingmethods:Reading;ListeningspeakingandwritingIII.Teachingimportantanddifficultpoints:Importantpoints:Learntheexpressionsinthispart:takeapart;prove;trial;agreewith;ratherthan;toone’ssurprise/amazement/joy/delight/sorrow/excitement/disappointment;theentranceto…;byoneself;thinkhighlyof;debate;taketurnstodosth;Difficultpoints:Understandthelisteningpartbetter.IV.Teachingprocedures:Step1RevisionChecktheanswerstothehomeworkStep2Lead-inReading
1.Brainstorm:What’syourimpressionofthedinosaurHowmuchdoyouknowaboutdinosaursAskthestudentstosayasmanywordsaspossibletheyknowaboutdinosaur.
2.Guess:WhatmightbethereasonsfortheirextinctionLetstudentsguessthereason.
3.Reading:Askstudentsreadthetext“AnimalExtinction”andanswerthefollowingquestions:
1.Whendiddinosaurslive
2.Whendiddinosaursdisappear
3.What’stherarenewspeciesofdinosaursdiscoveredinLiaoningProvince
4.WhatmightbethepossiblereasonsfortheirextinctionStep3Dealwiththelanguagepointsinthispart.
1.1dinosaurn.[C]
2.eintobeing形成;产生
3.inspectvt.检查;视察
4.incidentn.[C]事件;事变
5.dustn.[U]尘土
6.fierceadj.凶猛的;猛烈的
7.accordingto按照;根据……所说Step
4.Listening渡渡鸟是一种不会飞的鸟仅产于非洲的岛国毛里求斯肥大的体型总是使它步履蹒跚再加上一张大大的嘴巴使它的样子显得有些丑陋幸好岛上没有它们的天敌因此它们安逸地在树林中建窝孵卵繁殖后代16世纪后期带着来复枪和猎犬的欧洲人来到了毛里求斯不会飞又跑不快的渡渡鸟厄运降临了欧洲人来到岛上后渡渡鸟就成了他们主要的食物来源从这以后枪打狗咬鸟飞蛋打大量的渡渡鸟被捕杀就连幼鸟和蛋也不能幸免开始时欧洲人每天可以捕杀到几千只到上万只渡渡鸟可是由于过度的捕杀很快他们每天捕杀的数量越来越少有时每天只能打到几只了1681年最后一只渡渡鸟被残忍的杀害了从此地球上再也见不到渡渡鸟了除非是在博物馆的标本室和画家的图画中
1.GivestudentstheintroductionaboutDodoandthenletthemlistenanddoexercise3onpage
30.
2.Listentothetapeagainandchoosethecorrectanswertopleteeachsentenceforexercise
4.Step5SpeakingWriting
1.Discussion:Inpairschooseanotherendangeredanimalwhichyouknowabout.AnalyzewhythisanimalisendangeredTeacherhelpstudentsbygivingthemsomeusefulexpressionsenablestudentstosayfreely.
2.Trytowritetheirreasons.
3.Sharewithotherstudents.
4.Writing:WritealettertoWWFbasedonwhatyouhavediscussedaskingthemtohelpyousaveyourendangeredanimals.Alllettershaveastartandanending.Thelanguageuseddependsonhowwellthewriterknowsthepersontowhomhe/sheiswriting.Step6Homework
1.Finishwritingtheletter
2.Reviewthewholeunit
3.Readthepassageonworkbookpage65andpleteexercise2afterit.
4.。