2024-2025学年人教版初中英语九年级（上）教案 UNIT 6 Section B（1a-1e）第3课时

UNIT6Whenwasitinvented?SectionB(1a—1e)第3课时设计说明本课时学习有关薯片的发明的相关对话。教学时通过一系列图片讨论美食的味道来导入新课，然后让学生讨论其他的有这种味道的食品，过渡到1a与1b的活动中。通过不同的任务对听力材料加以处理，让学生多维度地利用听力材料。教学目标通过本课时的学习，让学生达成以下目标：1.知识目标：(1)单词：crispy,salty,sour,customer(2)短语：bymistake,intheend(3)句子：①Potatochipswereinventedbymistake.②Thecustomerthoughtthepotatoeswerenotthinenough.③Finallyheputlotsofsaltonthemsotheyweresaltyenough.2.能力目标：(1)通过听说训练，了解薯条的发明历史；(2)学会使用被动语态谈论薯条的发明历史。3.情感目标：通过学习,了解中国的传统文化，培养民族自豪感。重点难点1.重点：本课时的重点单词、短语和句型。2.难点：运用被动语态的相关句型谈论某种美食的发明。教学准备PPT课件，1c,1d的录音教学过程Step1Lead-inShowthestudentssomepicturesandtalkaboutthefourbasickindsoftastes.Howdotheytaste?lemon:sourice-cream:sweetcoffee:bittersalt:saltyGetthestudentstonamesomefoodthatareassociatedwiththefourtastes.Step2Workon1a—1bThewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.sweetcrispysaltysoursweetcrispysaltysour____________________________________________________________________________________Answers:crispysoursweetsaltysaltyfreshcolddeliciousWritethenameofadifferentfoodaftereachword.Step3Listening1.Lookatthepictureandguess:Whataretheytalkingabout?Answer:Theyaretalkingaboutpotatochips.2.ListenandcircleTfortrueorForfalse.(1)Potatochipswereinventedbymistake. T F(2)Theywereinventedin1863. T F(3)Thecustomerthoughtthepotatoeswerenotthinenough. T F(4)Thecustomersaidtheywerenotsaltyenough. T F(5)Georgewantedtomakethecustomerhappy. T F(6)Thecustomerwashappyintheend. T FChecktheanswersonebyone.Answers:(1)T(2)F(3)T(4)F(5)F(6)T3.Listenagainandanswerthequestions.(1)Whoinventedpotatochips?(2)Whenweretheyinvented?(3)Whatdidthecustomerorderattherestaurant?(4)WhatdidthecustomerthinkofthepotatochipsGeorgecookedatfirst?(5)HowdidGeorgecookthepotatoesthen?Checktheanswersonebyone.Answers:(1)TheywereinventedbyacookcalledGeorgeCrum.(2)In1853.(3)Heorderedaplateoffriedpotatoes.(4)Hethoughttheywerecuttoothick.(5)Hecutthepotatoesreally,reallythinandcookedthemforalongtimeuntiltheywerecrispy.Andheputlotsofsaltonthemsotheywerereallysalty.4.Listenagain.Completethesentences.TheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips______byacookcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcutthepotatoesreally,really______andthencookedthemforalongtimeuntiltheywere______.Finallyheputlotsofsaltonthemsotheywere______________.Checktheanswersonebyone.Answers:wereinvented;1853;thin;crispy;reallysalty5.Listentothetapeagainandpayattentiontopassivevoice(pasttense).Step4Role-play.1.Readthedialoguealoudforafewminutesbyyourself.2.Role-playingroups.3.Role-playinfrontoftheclass.Step5Homework1.Previewthenewwordsandexpressions.2.PreviewthepassageDoYouKnowWhenBasketballWasInvented?onpage46.当堂达标根据句意及首字母提示填空。1.Lauraaddedtoomuchsalttothesoup.Nowittastestoos.2.Thepotatochipsarethinandc.Pleasehaveatry.

3.OrangestastesweetandabitsandtheyarefullofvitaminC.答案：1.salty2.crispy3.sour4.customers板书设计UNIT6Whenwasitinvented?SectionB(1a—1e)单词：crispysaltysourcustomer短语：bymi