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时间:2018-04-01
《2013北师大版高二下unit 21《human biology》(lesson 3)word教案》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、Unit21HumanBiologyLesson3Teachingaims1.wordsandphrases:2.languagepointsinthetext3.readingstrategies4.exercisesabouttext5.vocabulary:synonymsTeachingtimeTwoperiods(两课时连堂)TeachingprocessStep1Revisionhaveadictionaboutthenewwordsinlesson2Step2learnthenewwordsoflesson31.asksomest
2、udentstoreadthenewwordsfirstandcorrecttheirpronunciation2.playthetapeandhavethemreadafterthetape3.givethemafewminutestoreadthenewwordsfreely,tellthemiftheycan’treadthewords,encouragethemtoasktheteacher.step3reading1.askstudentsreadthekeywordsinexercise1andguesstheirmeaning.2
3、.letthemdiscussinpairswhichofthesediseasescanbeorareepidemics2.doexercise2bythemselvesinpairs.thenchecktheiranswersonpage1033.letthestudentsreadReadingStrategies.]4.studentsthenreadquicklythroughthetexttogetageneralideaofit.5.studentscompletethetextwiththemissingparagraphs6.
4、checktheiranswersbyhavingindividualsreadoutthecompletetext.7.givestudentsafewminutestodoexercise4.step4languagepoints1.epidemicsexplained2.epidemicsthroughouthistory3.withnewhealththreatsontherise.4.lookat5.sincethebeginningoflifeonearth6.aslongas7.asearlyas430BC8.onrecord9.
5、beattempttodosth.10.sweepthrough11.diefromthedisease12.beknownas13.alackof14.providetheperfectconditionsfor..15.inhighlypopulatedareasalloverEurope16.onehalftolnethirdofthepopulationwaslosttotheBlackDeath17.itisbelievedtobe…18.dieofthefludieinthewar19.beginwith,endwith20.the
6、numberof21.suchas22.naturaldefences23.beharmfulto24.makeup25.expandacrossstep5vocabulary:synonyms1.exercise6a)askthestudentstodotheexerciseindividually.b)thenchecktheiranswers2.exercise7.a)asksomestudentstocometotheblackboardtodotheexerciseb)checktheiranswersstep6Homeworkcop
7、ythenewwords
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