Unit6SectionB1a1e课件人教版英语九年级全册

SectionB1a-1eUnit6Whenwasitinvented?1.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。A:Whenwasthe…invented?

B:Itwasinventedin…A:Whowasitinvented

by?B:Iwasinventedby...A:Whatwasitusedfor?B:Itwasusedfor...

in1927byJ.L.Bairdspreadingnewssweet甜的crispy脆的salty咸的Howdotheytaste?hot辣的(spicy）[ˈspaɪsɪ]辛辣的bitter苦的redbayberriespepperssour酸的Howdotheytaste?Theytaste……….saltedeggsadj.加盐的;盐腌的;[ˈsɔ:ltid]salty

咸蛋强调口感;

强调调味saltysaltedadj“咸的”,adj“加盐的”，Whatotherfoodtastessalty,too?Howdoesittaste?Ittastes………icecream

甜的

sweet

Canyouthinkofanyothertastes?n.味道系动词:尝起来sweethotbitterA:Whatfoodissour?B:Ithinkpineapplesaresour.Whatfoodiscrispy?A:……salty

咸的,含盐的sweet

甜的crispy

易碎的,脆的sour

酸的,酸味的bitter

苦的hot/spicy

辣的awful

可怕的nice

好的delicious

美味的Thewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.1asweetcrispysaltysour________________________________________________________________________________________crispysoursaltysweetsaltyPre-listeningWritethenameofadifferentfoodaftereachword.sweetcrispysaltysourapple;orange;cake;honey;candy;biscuitFrenchfries;lettuce;popcorn;potatochips;pizza;potatochips;salt;saltyfishpickle腌菜

grape;vinegar醋;orange;lemon;pickle腌菜;strawberry1b1.Potatochipswereinventedbymistake.TF2.Theywereinventedin1863.TF3.Thecustomerthoughtthepotatoeswerenotthinenough.TF4.Thecustomersaidtheywerenotsaltyenough.TF5.Georgewantedtomakethecustomerhappy.TF6.Thecustomerwashappyintheend.TFListenandcircleTfortrueorFforfalse.1c错误地；无意中足够咸makesb.happy使某人开心最后1853cuttoothick(厚的)wasangryWhile-listeningPredictionDoyouknowhowpotatochipswereinvented?Whataretheydoing?Theyaretalkingaboutpotatochips.ListenandcircleTfortrueorForfalse.1c1.Potatochipswereinventedbymistake.TF2.Theywereinventedin1863.TF3.ThecustomerthoughtthepotatoeswereTFnotthinenough.4.Thecustomersaidtheywerenotsaltyenough.TF5.Georgewantedtomakethecustomerhappy.TF6.Thecustomwashappyintheend.TF无意中最后，终于in1853.thindidn’twant

Listenagain.Completethesentences.1dTheHistoryofPotatoChipsDoyouknowhowpotatochipswereinvented?Potatochips________________byacookcalledGeorgeCrum.Theywereinventedin_______.GeorgeCrumcutthepotatoesreally,really__________andthencookedthemforalongtimeuntiltheywere___________.Finallyheputlotsofsaltonthemsotheywere__________.wereinvented1853thincrispyreallysaltyTheHistoryofPotatoChipsWhen

Who

How

Result

Why

1853GeorgeCrum

Thecustomersaidthefriedpotatoeswerecuttoothickandsentthembacktothekitchen.Georgewasangry.1.Cutthepotatoesreally,reallythin.2.Cookedthemforalongtimeuntiltheywerecrispy.3.Putlotsofsaltonthem.Thecustomerlovedthemandaskedformore.

Listenagainandfillinthemindmap,thenretell.Makeaconversationabouttheinventionofpotatochips.Usetheinformationin1cand1d.1eA:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn’tknowthat.Whoinventedthem?A:TheywereinventedbyacookcalledGeorgeCrum.B:Whenweretheyinvented?A:Oh,theywere

inventedin1853.B:Howweretheyinvented?A:Eh…itisreallyalongstory.B:Nevermind,Iamnotbusy.A:...It’ssaidthattheywereinventedbyacookcalledGeorgeCrum.Whenwasthat?Oh,itwasbackin1853.

名词+后缀-y构成的形容词：luck—luckyhealth—healthywind—windyrain—rainytaste—tastyice—icysnow—snowysun—sunnyLanguagePoints1.salty

咸的salty(tastingofsalt)

形容词，意为“咸的；含盐的”，是由名词salt(盐)加后缀-y构成的。

►Thesoupisalittlesaltyforme.【语境领悟】Imissedtheschoolbusbymistakethismorning.今天早上我无意中错过了校车。Itookyourpenbymistake.我错拿了你的钢笔。mistake1.n.错误。makeamistake/makemistakes犯错误Iusedtomakemistakesinspelling．我过去常常犯拼写错误。2.v.弄错;误解Youmistookmymeaningentirely.你完全误解了我的意思。mistake...for...错把……当成……

Don'tmistakemeforanAmerican.不要把我误会成美国人。2、bymistake为介词短语，意为“无意中；错误地”,相当于accidentally。—Excuseme,sir.Areyousuretheumbrellainyourhandbelongstoyou?—Oh,sorry.Itookit______.Mineisoverthere,underthechair.A.atonceB.ontimeC.bymistakeD.inallThehigh-speedrailway______inthiscitylastyear.Itiseasierforpeopletotravelnow.A.willbuildB.willbebuiltC.wasbuiltD.built单选CCBDCBC用所给词的正确形式填空。

1.Thecar____________(invent)around1885.2.Theyareusedfor_______(change)thestyleofshoes.3.Thetoycar_________(make)bymybrother.4.Tea______________(discover)about5000yearsago.5.Thef