Unit 6 第4课时 (Section B 1a-1e)-2022-2023学年初中英语人教版九年级全册课件

SectionB(1a-1e)Unit6Whenwasitinvented?CONTENTPre-listeningLeadinWhile-listeningPost-listeningSummaryHomeworkLearninggoals语言能力：能够在谈论美食发明的情境中正确运用新单词和被动语态的

有一般过去式结构。并利用所学知识复述制作薯片的步骤。文化意识：了解薯片的发明历史，意识到小发明也能创造大大的价值。

培养创新意识。同时养成健康饮食的好习惯。思维品质：通过听力活动练习，能精准提取关键信息，锻炼思维的逻辑

能力。学习能力：在美食的主题下保持学英语的兴趣；学习听力策略快速完成

听力；通过小组合作，演讲报告达到锻炼英语口语的能力。LeadinLeadinWhatkindsoffooddoyoulikebest?Ilike…Pre-listeningHowdotheytaste?Theytastesaltyandcrispy.PresentationPotatochipsbiscuitsHowdotheytaste?They

tastesour.PresentationlemonsyogurtHowdotheytaste?Theytastespicy.chilihotpotPresentationHowdotheytaste?Theytastesweet.chocolateice-creamPresentationhoneyHowdotheytaste?Theytastebitter.bittermeloncoffeePresentationsourcrispyspicysaltybittersweetGametime!sweetcrispysaltysour__________________crispysoursalty_________sweetsalty____________________________________1a_________sweet

crispy

salty

sour________bananasfriedchickencheeseyogurt1bWritedownmorefood!Whataretheydoing?Doyouknowhowpotatochipswereinvented?PredictonTheywereinventedbyacookcalledGeorgeCrum.Butheinventedthembymistake.=byaccident/krʌm/PresentationWhile-listening1c1.Potatochipswereinventedbymistake.TF2.Theywereinventedin1863.TF3.Thecustomerthoughtthepotatoeswerenotthinenough.TF4.Thecustomersaidtheywerenotsaltyenough.TF5.Georgewantedtomakethecustomerhappy.TF6.Thecustomerwashappyintheend.TF最后；终于无意中n.顾客薄的Tips：听关键词，注意时间，形容词，肯定或否定1dTheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips________________byacookcalledGeorgeCrum.Theywereinventedin_______.GeorgeCrumcutthepotatoesreally,really__________andthencookedthemforalongtimeuntiltheywere_________.Finallyheputlotsofsaltonthemsotheywere__________.wereinvented1853thincrispyreallysaltyPost-listeningReadtheconversationandanswerthequestionsBoy1:Hey,didyouknowthatpotatochipswereinventedbymistake?Boy2:Really?Whatdoyoumean?Boy1:Well,hereonthebagitsaysthattheywereinventedbyacookcalledGeorgeCrum.Boy2:Whenwasthat?Boy1:Oh,itwasbackin1853.Boy2:So,whywasitanaccident?Boy1:Well,oneday,acustomercameintotherestaurantwhereGeorgeworked.Heorderedaplateoffriedpotatoes.Whenthepotatoescame,hesaidtheywerecuttoothickandsentthembacktothekitchen.Boy2:Sowhathappened?Boy1:Well,Georgewasangry,sohecutthepotatoesreally,reallythin,andhecookedthemforalongtimeuntiltheywerecrispy.Andheputlotsofsaltonthemsotheywerereallysalty.Hethoughtthecustomerwouldhatethem.Boy2:And?Boy1:Andthecustomerlovedthemandaskedformore.Hetoldtheothercustomersaboutthem,andsooneveryonewasorderingthinlycut,crispy,saltypotatochips.Boy2:Andwe'restilleatingthemtoday.Whatacoolstory!追溯到进入厚的send...backto...“把······送回······”持续很长时间Whoinventedpotatochips?Whenweretheyinvited?Howwasitmade?1eWhoinventedpotatochips?Howtomakepotatochips?Whenweretheyinvited?Theywereinventedby….Theywereinventedin…First,…Retelltheprocessofmakingpotatochips.First,cutthepotatoesreally,reallythin.Then,cookthemforalongtimeuntiltheyarecrispy.Finally,putlotsofsaltonthemsotheyarereallysalty.Smallinventionschangedtheworldbyaccident.Summary酸的甜的咸的脆的辣的苦的SummarySummaryThecustomerlovedthemsomuchthatheaskedformore.hetold---.So-ordered----AsaresultHethoughtthecustomerwouldhatethem.Whybyaccident,----sentback---,because---.But---angry,so---cut----andcooked---for---until----.And---put---on---so-----.HowacookcalledGeorgeCrumWhoin1853WhenThehistoryofpotatochipsexerciseⅠ.选词填空Exercise1.Idon’tlikeeatingchocolate.Ittastesistoo

.2.Momaddedsaltbutitstillwasn’t

enough.3.Ipreferlemonstooranges.Ilikethe

taste.4.Shelikes

cookies.Theyarehard,dryandeasilybroken.crispysweetsaltysoursweetsaltysourcrispy1.Momaddedsalttothesoup,butitstillwasn’t_____.A.

enoughsweetC.saltyenoughB.sweetenoughD.enoughsaltyExercise2.Thiskindofsoupshouldbeboiled_____alongtime. A.forB.inC.withD.atExercise3.Holdontoyourdreams,andtheymaycometrue_____.A.attheendB.bytheendC.intheendD.ontheendExercise4.Iknowthatpotatochips______byGeo