山东省郯城县第三初级中学九年级英语全册《Unit9WhenwasitinventedPeriod3》教案人教新目标版主备人课型New课时时间年月日分管领导验收结果第周第3课时总第课时教学目标1.KeyVocabulary:sweet,salty,crispy,sour,potato,chip,mistake,bymistake.thin,intheend,chef,sprinkle2.Thetargetlanguage：Didyouknowpotatochipswereinventedbymistake?No,Ididn'tknowthat.Whoinventedthem?重点难点1．Trainthestudents'speakingandlisteningskillswiththetargetlanguage.2．Teachthestudentstousethenewvocabularycorrectly.教学过程教师活动Step1RevisionHaveafreetalk.Askthestudentstopracticetalkingtoeachother。Step2PresentationⅠ.1a1.Readthefourwordsandaskstudentstorepeatthem.Givethemaminutetoreadandwritethewords.Thentellthestudentstheyareadjectivesandtheyareusedfordescribingthings.Forexample:Theappleissweetandsour.2.Getthestudentstodescribethethingswiththegivenadjectives.Somefoodhavemorethanoneword.3.Checktheanswers.Ⅱ1bAskthestudentstodescribehowfoodtasteandfinish1b.Ⅲ.2a学生活动Practicetalkingtoeachother。WritethewordsunderthecorrectpicturesListenandcircleTorF.Listenagainandcompletethesentences.Workinpairs.Roleplaythe修改意见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。1.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.conversationabouttheinventionofthepotatochip.Usetheinformationfrom2aand2b.利用所学语言，创造新的对话，培养学生创新思维。阅读文章后，完成相应的任务，加深对文章的整体印象。写一封回信，使学生熟悉书信格式，提高应用文写作能力。小结Unit9Whenwasitinvented?TheThirdPeriodA:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn'tknowthat.Whoinventedthem?A:TheywereinventedbyachefcalledGeorgeCrum
