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1、Unit6Whenwasitinvented?SectoinB1a-1eTeachingaims: 1.Newwords:crispy,customer,salty,bymistake,sour.2. Keystructures:Potatochipswereinventedbymistake.Doyouknowhow potatochipswereinvented?3.Bylearningthislessonthestudentscan describethetastesofsomefood.4.Bylearningthisles
2、sonthestudentscanrepeatthehistoryofpotatochips.Teachingimportantpoints:grasp thewordsthatdescribetastes,such assweet,sour,salty,crispy.Teachingdifficultpoints: repeatthehistoryofpotatochips.Teachingmethods: task-basedteachingmethods, pairwork,groupwork,retellthestory.T
3、eachingprocedures:Step1 Leadingin.Tellthestudentstodaywearegoingtotalkaboutthefoodandthedrinkwelike.Howmanykindsoffoodsanddrinkscanyousayinaminute?Thestudentsgivetheanswers.Thenaskwhatyourfavoritefoodis?Thestudentsgivetheanswers.Step2 PresentationShowalotoffoodanddrin
4、kstothestudents,suchasbanana,apple,lemon,orange,Frenchfries,saltedduckegg,grapes,teaicecream.Thenask howdothesefoodtaste?Andleadthestudentstosayouttheanswers:banana, apple,icecream–sweetLemons,grapes,oranges-sour.Frenchfries–--crispy.Saltedduckeggs,Frenchfries–salted.T
5、hen studentsreadthefourwordsoftasteagainandagainand askthemtorememberthesewords.Afterthattellthestudents todoSectionB,1aand1b.Ifnecessarycorrecttheirmistakes..Step3 ListeningGetthestudentslistentothetapsandfinishthelisteningexercises,thencheckanswers:TFTFFT.Thengetthe
6、studentstoreadthelisteningtests,besuretounderstandthetest.thentellthembymistakemeans错误的anditisdifferentfrombyaccident.Step4 Practice1e.1Playtherecordingofthehistoryofchipsagainandgetthestudentsrepeatitafterit.2Studentmakeaconversationaccordingtotheinformationin1cand1d
7、.3Asktwoorthreegroupstoactitout.Step5 Retellthestory.1Thestudentstakeoutapieceofpaperandtrytorewritethehistoryofpotatochips.2Asktwoorthreestudentstoreadtheirstories.3Thestudentsworkingroupstosharetheiranswersandreportthehistoryofdifferentkindsoffoodsanddrinks.4Choosea
8、tleastthreeorfourstoriestosharewiththewholeclass.Step6 SummarySayinthisclasswelearnedfourwordstodescribethetaste.Wea
