【教学】Unit 6 Section B 第1课时 （九全）

SectionB(1a~1e)Whenwasitinvented？Unit61.能够听懂有关食物的发明史的对话。2.能够运用一般过去时的被动语态谈论美食的发展

历史。3.通过了解对人类有意义的发明，开阔学生的眼界，

养成勤于思考，善于发现的好习惯。重点Teachingaims重点While-listeningSummaryPost-listeningWarming-upPre-listeningWatchandanswer1.Whatkindoffoodcanyouseeinthisvideo?

Burger,salad,friedchickensandwich,chickenwrapandfries.2.WhatisTony’sfavoritefood?Howdoesittaste?

Itisthechickenwrap.Ittastessweetandspicy.Warming-upWhile-listeningSummaryPost-listeningPre-listening1.WhatkindoffooddoesTonyalsolike?2.Howdoesittaste?LookandsayWhile-listeningSummaryPost-listeningPre-listeningWarming-upsweetcrispysoursaltyhot/spicyBrainstormFoodFlavorapple,cakesweet;softCanyouthinkofmorefoodandflavors?chocolatepotatochipscheese,saltedfishlemon,grape,plum…bittercrispy,hotsaltysour…While-listeningSummaryPost-listeningPre-listeningWarming-upLook,askandanswer—Whatkindoffooddoyoulike?—Ilikeapples.—Howdotheytaste?—Theytastesweet.Whataboutyou?…While-listeningSummaryPost-listeningPre-listeningWarming-up1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.ReadandpredictWhile-listeningSummaryPost-listeningWarming-upPre-listening1.Whataretheytalkingabout?2.Wheremaythestoryhappen?Tip:Youcanpredicttheconversationbasedonthepictureandkeywords.LookanddiscussWhile-listeningSummaryPost-listeningWarming-upPre-listeningDoyouknowhowtomakepotatochips?12Thepotatoesarecutverythin.34Theyarecookedforalongtime.Somesaltisputonthem.Theybecomecrispy.ListenandcircleWarming-upPre-listeningSummaryPost-listeningWhile-listening

1.Potatochipswereinventedbymistake.TF2.Theywereinventedin1863.TF3.Thecustomerthoughtthepotatoeswerenotthinenough.TF4.Thecustomersaidtheywerenotsaltyenough.TF5.Georgewantedtomakethecustomerhappy.TF6.Thecustomerwashappyintheend.TFWhile-listeningWarming-upPre-listeningSummaryPost-listeningWhile-listeningListenandfillTheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips_____________byacookcalledGeorgeCrum.Theywereinventedin_____.GeorgeCrumcutthepotatoesreally,really_____andthencookedthemforalongtimeuntiltheywere______.Finallyheputlotsofsaltonthemsotheywere______.wereinvented1853thincrispysalty

ListenandanswerWarming-upPre-listeningSummaryPost-listeningWhile-listening1.Whowerepotatochipsinventedby?

TheywereinventedbyacookcalledGeorgeCrum.2.Whenwerepotatochipsinvented?Theywereinventedin1853.3.WhatdidthecustomerthinkofthepotatochipsGeorgecookedatfirst?Hethoughttheywerecuttoothick.4.HowdidGeorgecookthepotatoesthen?

Hecutthepotatoesreally,reallythinandcookedthemforalongtimeuntiltheywerecrispy.Andheputlotsofsaltonthemsotheywerereallysalty.Warm-upWarming-upPre-listeningSummaryPost-listeningWhile-listeningWow,Ididn’tknowthat.Whoinvented…Didyouknowpotatochipswereinventedbymistake?FillandmakeanewconversationWhatWho

WhenHowNameJobPotatochipsGeorgeGrum____________Acustomer_______aplateoffiredpotatoes;George_______them;Atfirst,they________toothick;Then,Georgecutthemreally,really_____,andcookedthemuntiltheywere______.Andheputlotsof____onthem;Thecustomer_____themandaskedformore.cook1853orderedcookedwerecutthincrispysaltlovedWarming-upPre-listeningSummaryPost-listeningWhile-listeningTonywantstorecommendmorefoodtoLisa.Whatkindoffoodwouldyouliketorecommend?Talkwithyourpartnersandtakenotes.Workingroupsanddiscuss1.Whatisit?2.Howdoesit/dotheytaste?3.When/Wherewasit/weretheyinvented?4.Whowasit/weretheyinventedby?5.Howisit/aretheycooked?Warming-upPre-listeningSummaryPost-listeningWhile-listeningMakeareportCookiesInourgroup,Lilywouldliketorecommendcookies.Theytastesweet.Theywereinventedaround1939.They…SweetAround1939…FreetalkWarming-upPre-listeningSummaryPost-listeningWhile-listeningNecessityisthemotivationofinvention!Whatmadethecookthinkofinventingpotatochips?1.—Didyouknowpotatochipswereinventedbymistake?—Wow,Ididn’tknowthat.Whoinventedthem?2.Thecustomerthoughtthepotatoeswerenotthinenough.sour,customerSummaryPre-l