人教新目標版九上英語Unit6SectionB（1a-1e）【教案】

Unit6Whenwasitinvented?SectionB（1a-1e）TeachingAims1.語言能力：了解薯片發(fā)明的歷史。2.文化意識：懂得發(fā)明的重要性。3.思維品質(zhì)：學會多角度地描述一種食物嘗起來的感覺。4.學習能力：用一般過去時的被動語態(tài)介紹一種食物是怎樣發(fā)明的。TeachingDifficulties用一般過去時的被動語態(tài)介紹一種食物是怎樣發(fā)明的。TeachingAidsmultimediacoursewareorotherrealiathattheTneedsforteachingTeachingProceduresTipsStep1WarmingupThink-Pair-ShareStep1:AskSstofindtheirshoulderpartners.Step2:GiveSsthinkingtimeandaskthemtothinkaboutthequestions:Doyoueatsnacks?Whatsnacksdoyouliketoeat?Step3:AskSstosharetheiranswerswiththeirpartners.Step4:AskStodescribethetasteofthesnackhe/shelikes.(TcanshowSssomewordsandthesentencestructuretodescribetastes.)Step2Presentation&PracticePre-listeningShowSspicturesonPPTP7andask:Whatkindoffoodcanyouseeinthesepictures?(potatochips,lemon,ice-cream,saltedeggs)1aAskSstodescribethetasteofthefoodin1a.Answers:potatochips—crispy,saltylemons—sourice-cream—sweetsaltedeggs—saltyAskSstonamemorefoodassociatedwithsweet/crispy/salty/sour.(Tip:TcanaskSstoworkinpairsorgroups.Answerscanbevaried.)Suggestedanswers:sweet—sweetpotato,mooncake,tangyuan(glutinousriceball),sweetzongzi,cupcake,chocolatecrispy—springroll,pancake,bananachips,cracker,popcorn,cornflakessalty—sausage,noodles,jiaozi(dumplings),wonton,pizza,BeijingRoastDucksour—ketchup,pickle,yogurt,stringofcandiedhaws(tanghulu),passionfruit,vinegar1bAskSstowritethenameofadifferentfoodaftereachword.Answerscanbevaried.1cAskSstolookatthepictureandreadthesentencesin1c.Askthemtothinkabout:1.Whatarethetwoboysinthepicturetalkingabout?2.Wheredoesthisstorytakeplace?AskSstoclosetheireyesandjustconcentrateontheconversationtheyareabouttohear.Byshuttingoutanyotherstimulusorfactorsthatmaydistractthem,Ssshouldbeabletolistenandrememberthefactsbetter.Whentherecordingends,Sscanattempttheactivity.(Tip:GetSschecktheiranswerswithapartner.)Answers:1.T2.F3.T4.F5.F6.T1dAskSstofillintheblanksbasedonwhattheyhaveheardwhentheireyeswereclosedandtheywereconcentrating.Dotheyrememberwhattheyheard?Orcantheyguesstheanswersbasedonwhattheyknowandthecontextaroundtheblanks?OnceallSshaveattemptedthisactivity,playtherecordingagainandaskthemtochecktheiranswers.(Tip:TcanplaythevideobeforeSscompletethesentencesifSsarenotstrongenough.)Answers:wereinvented,1853,thin,crispy,reallysaltyPost-listeningOptionalChoice:Afterlistening,TcanaskSstoanswersomequestionswhichmayhelpSshaveabetterunderstandingofthelisteningmaterial.1.Howandwhenwerepotatochipsinvented?2.Whatwasthenameoftheinventor?Whatwashisjob?3.Whywasitamistake?Whatdidthecookdowiththepotatoesthen?4.Howcanyoumakefoodcrispy/salty?5.Whatcanwelearnfromthestory?Doyouwanttobeaninventor?1eAskSstomakeaconversationabouttheinventionofpotatochips.Forthisconversation,getSstoinjectsomeexclamationsintotheirspeechinsteadofjustusingdirectquestionsandanswers.HavepairsofSsexperimentonhowtheycan“jazz”uptheirconversations.Remindthemoftherole-playtheydidinSectionA,activity2dandhowinflections,tonesandfeelingsplayapart.Step3Languagepointslearningbymistake為介詞短語，意為“無意中；錯誤地”,相當于accidentally。enough修飾名詞時不需要倒裝。enough修飾形容詞、副詞時需要倒裝。enough常可以和詞組so...that...,too...to...轉(zhuǎn)換。intheend的意思是“后來，最后，終于”，intheend用一個單詞表達可以用finally，用一個短語表達可以用atlast。Step4Summary&HomeworkSummaryAskSstodotheexercisesfromPPTP27-28.Homework:Preview2a-2einSectionB.Dotheexercisesinstudents’book.TeachingReflectionWhenwetalkaboutfood,weshouldlearnhowtodescribetheirtaste.Sowedoabrainstormingtopracticethefoodnamesandtheirtastes.Inthisperiod,thestudentsshouldpracticethepassivevoiceinlisteningtothestoryabouthowpotatochipswereinvented.Andthengetthemtolistenandspeak.Inthiswaytheycanimprovetheircapacityoflanguageorganizationandoraloutputwhil