人教新目标版九年级（全）Unit6Whenwasitinvented?Period4SectionB1a-1e听说课优质课
PresentationLearningaims1.学习本课新词汇:crispy,salty,sour,bymistake,customer掌握句型：—Didyouknowpotatochipswereinventedbymistake?—Wow,Ididn’tknowthat.Whoinventedthem?2.在听力练习中，能够准确判断句子正误，完成句子填空，能听懂薯片发明的历史以及发明的过程等。3.在口语交际中能够使用一般过去时的被动语态谈论薯片的发明过程和历史。
PresentationNewwordsPre-listeningListenandrepeat.crispyadj.脆的；酥脆的saltyadj.咸的souradj.酸的；有酸味的customern.顾客；客户[?k?st?m?][?sa??]?[?s??lti][?kr?spi]bymistake错误地；无意中
PresentationWarmingupPre-listeningLookandsay.Whatkindofsnacksdoyouliketoeat?Howdotheytaste?Canyoudescribethem?Whichtastedoyoulikebest?Canyouthinkofanyotherflavor(n.味)?Whatarethefourbasickindsoftastes?soursweetbitterhotice-creamsweetbreadsweetanddelicious.
PresentationPresentationPre-listeningLookandsay.Howdoesthefoodtaste?Theyarecrispy（脆的）.potatochips（薯片）biscuits（饼干）lemons柠檬yogurt酸奶Theyaresour（酸的）.watermelon（西瓜）cake蛋糕Theyaresweet（甜的）.lazichicken辣子鸡hotpot火锅Theyarehot(辣的).
PresentationPresentationPre-listeningLookandsay.Differentfoodhasdifferenttaste(味道).Theyaresalty(咸的).saltedeggs盐蛋bittermelon苦瓜coffee咖啡Ittastesbitter.[b?t?]crispy/hardTheytastecrispyandhard\softandsweet.sweet/softpickledvegetable?[p?k(?)ld]腌菜What’sthis?/Whatarethese?It’sa/an…..They’re…..Howdoesittaste?/Howdotheytaste?It’s/They’re…….
PresentationPracticePre-listeningLookandwrite.1aThewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.sweetcrispysaltysour__________________________________________________crispysaltyadj.脆的；酥脆的adj.咸的adj.酸的soursweetsalty
PresentationPracticePre-listeningLookandwrite.1bsweet____________________________crispy____________________________salty____________________________sour____________________________Writethenameofadiffer