学科English课型fresh年级9课题Unit9Whenwasitinvented?3/5教学媒体Ataperecorder,CAI教学目标知识技能1.KeyVocabulary:sweet,salty,crispy,sour,potato,chip,mistake,bymistake.thin,intheend,chef,sprinkle2.Thetargetlanguage:Didyouknowpotatochipswereinventedbymistake?No,Ididn'tknowthat.Whoinventedthem?过程方法Accordingtolisteningtotrainthestudents'speakingandlisteningskillswiththetargetlanguage.情感态度Doyouenjoyeatingthepotatochips?Haveyoueverthoughtofthehistoryofthechips?教学重点1.Trainthestudents'speakingandlisteningskillswiththetargetlanguage.2.Teachthestudentstousethenewvocabularycorrectly.教学难点Dothelisteningpractice.教学内容及问题情境学生活动设计意图Step1RevisionHaveafreetalk.Askthestudentstopracticetalkingtoeachother。Step2PresentationⅠ.1a1.Readthefourwordsandaskstudentstorepeatthem.Givethemaminutetoreadandwritethewords.Thentellthestudentstheyareadjectivesandtheyareusedfordescribingthings.Forexample:Theappleissweetandsour.2.Getthestudentstodescribethethingswiththegivenadjectives.Somefoodhavemorethanoneword.Practicetalkingtoeachother。Writethewordsunderthecorrectpictures复习上节课所学内容,巩固所学知识。认知一些形容词,为听力做准备。3.Checktheanswers.Ⅱ1bAskthestudentstodescribehowfoodtasteandfinish1b.Ⅲ.2a1.Letstudentsdescribehowpotatochipstasteanddescribehowhelpfulthepotatochips.2..AskthestudentstolistentoastoryabouttheinventionofthepotatochipsandcircleTorF.3.Checktheanswers.Ⅳ.2b1.Listenagainandcompletethesentences.2.Checktheanswers.Ⅴ.2cPairworkThisactivityprovidesguidedoralpracticeusingthetargetlanguage.Askthestudentsworkinpairs.Roleplaytheconversationabouttheinventionofthepotatochip.Usetheinformationfrom2aand2b.Step3.Summary1.Usethenewvocabularycorrectly.2.KnowthehistoryofthechipsStep4Homework用所给词补全下列句子。crispy,sweet,salty,sour1.Idon’tlikeeatingchocolate,thetasteistoo_______2.Mumaddedasltbutitstillwasn’t_________enought.3.Ipreferlemonstooranges.Ilike___taste.4.Shelikes______cookies,theyarehard,dryandeasilybuoken.ListenandcircleTorF.Listenagainandcompletethesentences.Workinpairs.Roleplaytheconversationabouttheinventionofthepotatochip.Usetheinformationfrom2aand2b.完成不同的听力任务,提高听力能力,了解炸土豆条的历史。利用所学语言,创造新的对话,培养学生创新思维。板书设计Unit9Whenwasitinvented?TheThirdPeriodA:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn'tknowthat.Whoinventedthem?A:TheywereinventedbyachefcalledGeorgeCrum.教学反思