Unit6SectionB(1a-1e)课件人教版九年级英语全册

Unit6Whenwasitinvented?SectionB(1a~1e)学习目标预习检测知识梳理课堂总结学习导航重点探究当堂检测新课导入Let'senjoyavideo21能熟悉并能正确运用本课时的重点单词和短语能学习描述食物味道的形容词3能用一般过去时的被动语态讲述薯片的历史预习检测1.Thepotatochipshavebeeninthepaperbagforhalfanhour.Theyarenot______anymore.

2.MissGreenoftenhasalightsupperbecauseshewantstobe_________.

3.Billyhasallkindsofdifferentideas.Heis_________tobeafamouswriter.

A.enoughcreative B.creativeenoughC.energeticenough D.enoughenergeticABB4.—Mr.King_________bythereportersyesterday.

—He’sgreat!Hehelpedsomanydisabledpeople.A.wasinterviewed B.isinterviewed5.Lightmusicaftersuppercanmakeyou_________.

A.well B.happilyCA知识梳理Newwords1.sour/ˈsaʊə(r)/adj.酸的；有酸味的Thispeartastesabitsour.这梨带点酸味。2.salty/ˈsɔːlti/adj.咸的Thedishistoosalty.菜太咸了。3.crispy/ˈkrɪspi/adj.脆的；酥脆的Iateapacketofchips,becauseitwasverycrispy.我吃了一袋薯条，因为它非常的酥脆。4.customer/ˈkʌstəmə(r)/n.顾客;客户CustomerisGod.顾客就是上帝。重点探究能学习描述食物味道的形容词Describehowthefoodtastes.WhataretheycalledinEnglish?Howdotheytaste?Theytaste

crispy(脆的).Theyarecalledpotatochips.WhataretheycalledinEnglish?Howdotheytaste?Theytaste

salty(咸的).Theyarecalledsaltedduckeggs.

Theytaste

hot(辣的).Theyarecalledpeppers.WhataretheycalledinEnglish?Howdotheytaste?WhatisitcalledinEnglish?Howdoesittaste?Ittastessweet(甜的).Itiscalledicecream.

WhatisitcalledinEnglish?Howdoesittaste?Ittastesbitter(苦的).Itiscalledcoffee.Thedifferenttastesoffood

soursweetbitterhotsaltycrispysoft...酸的甜的苦的辣的咸的脆的软的Pairwork两人一组，根据以下内容编对话。A:WhatisitcalledinEnglish?B:Howdoesittaste?A:...1a.Thewordsintheboxdescribehowfoodcantaste.Writethemunderthecorrectpictures.Somepictureshavemorethanoneword.sweetcrispysaltysour____________________________________crispysaltysoursweetsaltyGroupwork小组讨论，分别列举出脆的、酸的、咸的、甜的食物。讨论后小组派一名代表写在黑板上，看哪一组写的最多。小组展示1组2组3组4组Canyou

nameanycrispyfood?friedpeanutscookies

biscuitsCanyounameanysourfood?hawthornfruit

dried

plum

strawberry

Canyounameanysaltyfood?pickledvegetable(泡菜)pizzaCanyounameanysweetfood?cakecandiesbread1b.Writethenameofadifferentfoodaftereachword.sweetcrispysaltysour

cookies

biscuitspopcornpotatochips......pizzapotatochipsFrenchfriespickle腌菜......

grapevinegar醋orangelemonpickle腌菜strawberry......appleorangecakehoneycandybread......活动小结通过以上活动，我们学习了一些描述食物味道的形容词：甜的_________ 脆的_________ 苦的_________咸的_________ 酸的__________ 软的_________辣的_________当堂检测见DCF课件sweetcrispy

saltysourbittersofthot用一般过去时的被动语态讲述薯片的历史Doyoulikeeatingpotatochips?Doyouknowhowtomakepotatochips?重点探究Thetwoboysaretalkingaboutthehistoryofpotatochips.Doyouknowhowtheywereinvented?Whenwerepotatochipsinvented?Whowerepotatochipsinventedby?1c.ListenandcircleTfortrueorFforfalse.1.Potatochipswereinventedbymistake.2.Theywereinventedin1863.3.Thecustomerthoughtthepotatoeswerenotthinenough.4.Thecustomersaidtheywerenotsaltyenough.5.Georgewantedtomakethecustomerhappy.6.Thecustomerwashappyintheend.TFTFTFTFTFTF1.Potatochipswereinventedbymistake.bymistake为介词短语，意为“无意中；错误地”,相当于accidentally。e.g.Imissedtheschoolbusbymistakethismorning.今天早上我无意中错过了校车。Itookyourpenbymistake.我错拿了你的钢笔。2.v.弄错;误解e.g.Youmistookmymeaningentirely.你完全误解了我的意思。mistake...for...错把……当成……e.g.Don'tmistakemeforanAmerican.不要把我误会成美国人。【拓展】mistake1.n.错误。makeamistake/makemistakes犯错误e.g.Iusedtomakemistakesinspelling．我过去常常犯拼写错误。2.Thecustomerwashappyintheend.in

the

end最后，终于(相当于finally或atlast)【拓展】at

the

end

of可以指时间，也可指处所，意为“在……尽头，在……结束时”。by

the

end常和of相连，用于指时间，意为“到……底(末)为止”。1d.Listenagain.Completethesentences.ThehistoryofpotatochipsDoyouknowhowpotatochipswereinvented?Potatochips________________byacookcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcutthepotatoesreally,really______andthencookedthemforalongtimeuntiltheywere________.Finallyheputlotsofsaltonthemsotheywere__________.wereinvented1853thincrispyreallysaltyPairworkMakeaconversationabouttheinventionofpotatochips.Usetheinformationin1cand1d.A:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn’tknowthat.Whoinventedthem?A:GeorgeCrumdid.Itwasinventedbythecook.B:Howdidheinventthem?A:…B:Whydidhedoitlikethat?A:…B:What’stheresult?A:…Let'sretellthestory.Potatochipswereinventedby…Onceacustomerwasnot…and…Georgewasin…andcut…Thenhecooked…Afterthatheput…on…Tohissurprise,thecustomer…andtold…about…Asaresult,everyonewasordering…Inthisway,oneoftheworld’sfavoritefoodswasinvented.Whatacoolstory!活动小结通过以上活动，我们学习了薯片的历史：Potatochips_____________byacookcalledGeorgeCrum.Theywereinventedin______.GeorgeCrumcutthepotatoesreally,really______andthencookedthemforalongtimeuntiltheywere________.Finallyheputlotsofsaltonthemsotheywere__________.当堂检测见DCF课件wereinven