Unit5Developingideas课件-外研版英语七年级上册

LearningObjectivesAfterlearningthislesson,studentscan......（学习理解）masterlisteningskillstolistenfornumbers;getsomeinformationaboutcornbylistening;

readthewordswith/eɪ//aɪ//ɔɪ/loudandcorrectly.(应用实践）usesentencepatternstoaskforandgivepermissioninapoliteway.（迁移创新):usewhatyouhavelearnedinthisclasstointroduceChina'samazingplantsinEnglish.Whatplantscanyouseeinthepictures?RiceWheatCornPre-listeningHowdoyouusuallyeatthem?ricenoodlesbreadtacoRice,wheatandcornaretheworld'stopthreefoodplants.Peoplearoundtheworldeat

themindifferentways.Forexample,ricenoodlesinEastAsia['eɪʒə],breadinEurope/ˈjʊərp/

andtacosin

theAmericas.世界前三全世界用不同的方式WhereisJason?WhatisJasondoing?HeistakingavlogabouttheSweetCornFestival.Jasonisavlogger/ˈvlɒɡə(r)/.Anearofcorn一穗玉米While-listeningListentotheopeningofthevlog.What’sJasontalkingabout?a.TheimportanceofcorninMexico.b.Cornindifferentcultures.c.AfamousMexicancorndish.

Beforeyouarelistening,circlethekeywords.TipWhile-listening1.Howlongisthebiggestearofcorn?2.WhendidpeoplestartgrowingcorninMexico?3.Howmanydishesaretherenow?4.WhatdoesJasonthinkofcorn?A.Nearly400cmlongB.Nearly40cmlongC.

Nearly30cmlongA.About8000yearsagoB.About900yearsagoC.About9000yearsagoA.Over600B.Over500C.Over700A.It’sjustfood.B.Itisn’tjustfoodandit’salsopartofMexicanculture.C.It’sonlypartofMexicanculture.While-listeningThebiggestoneofcornwasnearly1.______（40/50)centimeterslong.40Today,corn’sabigpartoftheir3._________.Thereareover4._______(600/100)corndishesnow!cooking600PeoplestartedgrowingcorninMexicoabout2._______(900/9000)yearsago!9000Cornisn’tjust5______.Peopleeveruseittomaketoys.It’salsopartofMexicanculture.foodLearningtolearn

Whenlisteningfornumbers,pay

attentionto

（注意）wordsandexpressionslikenearly,about,over,and

more/lessthan.Theyusuallycomebeforenumbers.While-listeningJason:WelcometoAmazingPlants.ThisisJason.I'mattheSweetCorn

FestivalinMexico.Lookatthisearof

corn!Canyoubelievethesizeofit?!

But

it'snotthebiggest.Thebiggestone

was

nearly40centimeterslong!

PeoplestartedgrowingcorninMexico

about9,000yearsago.Today,it'sabig

partoftheircooking.Thereareover

600corndishesnow!

Cornisn'tjustfood.Peopleuseitin

manyways.It'salsopartofMexican

culture.Let'sgoandsee!largesizelonghistoryrichdishesimportantamazingasymbolofacountryCornWhatarethepartsofcorn?cornsilk

cornseeds

cornhusk/hʌsk/WhatdotheMexicanpeopleusecorn

for?Listenandtick(√)！WhatdotheMexicanpeopleusecorn

for?□tacos□chips□bread□cornsilktea□colorfuldolls□juiceWhile-listeningWhile-listeningteagoodtraditionalmakeCornhasdifferentusestopeople.Amazingv.n.adj.adj.Jason:CanItrythetaco?Jose:Sure.Jason:Yum!AretacosatraditionalMexicanfood?Jose:Theyare!Wemakethemfromcornseeds.Jason:Isthisbeefinside?Jose:Yeah.Youcanputalmostanythinginataco!Nowtrythesechips.Imadethemwithcornseeds,too.Jason:Oh,what’sthat?Jose:It’scornsilktea.Jason:Cornsilk?Jose:It’sthe“hair”ofcorn.Peopleinmanycountriesmaketeawithit.It’sgoodforyourhealth.Tryit!Jason:It’ssweet.Oh,whatarethese?Silvia:They’retraditionaldolls.Imadethemwithcornhusks.Jason:Socolorful!MayItakeavideoofthem?Silvia:Certainly!Jason:Cornhassomanyuses.Thisisamazing.There’sasayinginMexico:withoutcorn,thereisnocountry.Doyouagree?Listenagain.Thentalkabouthowpeopleaskforandgivepermission.Askforpermission:CanItrythetaco?MayI...?Givepermission:Sure.Certainly!BepoliteRetellthepassageFactsaboutcornUsesofcornInfluenceofcornThebiggestearofcorninMexicoisnearly1______centimeterslong.PeopleinMexicostartedgrowingcornabout2______yearsago.Thereareover3_____kindsofcorndishesinMexiconow.TraditionalMexicantacosandpopularcornchipsarebothmadefrom4____________.5Peopleinmanycountriesmake______withcornsilk,andit’sgoodforhealth.Peoplemakecolorfultraditional6______withcornhusks.Cornisn’tjust7________—it’salsoanimportantpartofMexican______.409000cornseedsteadolls600foodcultureHowdoyouunderstandthesaying“withoutcorn，thereisnocountry”?Cornhas______history.It’s______inmanyways.It’snotjusta_____,It’salsopartofMexicanculture.longusefulfood对于该内容的总结环节，可采用分层任务设计：基础较好的学生可直接用完整句子回答相关问题；基础薄弱的学生则可借助填空式表格辅助梳理，或通过复述表格进行要点总结，降低表达难度。RoseCottonBambooPost-listeningRoseCottonBambooFlowerCakeTeaPerfume香水/ˈpɜːfjuːm/MedicineClothesQuilt被子/kwɪlt/Cottonswab/swɒb/Furniture家具/ˈfɜːnɪtʃə(r)/FoodWhataretheusesofthem?HousePost-listeningWorkinpairs.Actoutaconversationabouttheusesofaplant.Chooseoneoftheplants.StudentAisJasonandstudentBisaseller.Haveaconversationabouttheuses.(Remember:bepolite.)A:Couldyoutellmeabout...?B:Certainly.Weuse...forfood.A:That'samazing！Whatelsedoyoudowith...？B:Wealsouse....as....Youcan...withit.A:That'sinteresting!MayIaskyouforanotheruse?B:Yes,noproblem.Youcanmake...from....A:Thankyou!...isavery...(useful/amazing/wonderful/)plant.Whatdoyouthinkoftheimportanceof...?B:...ismorethan/notjustfood,itsimportantfor...,...and....inChina!Couldyoutellmeaboutbamboo?Ofcourse.Weusebambooforfood.Wealsousebambooasabuildingmaterial.Youcanbuildhouseswithit.That'sinteresting!MayIaskyouforanotheruse?Yes,noproblem.Youcanmakepaperfrombamboo.That'samazing！Whatelsedoyoudowith...？Thankyou!Bambooisaveryusefulplant.Plantsarenotjustfood.Theyarealsopartofacountry.Plantsareuseful.ChecklistScoresDidyoutellwhatkindsoffoodwecangetfromwheat,riceandcorn?Didyouaskforandgivepermissionsappropriatelyandpolitely(e.g.,"Couldyoutellme..."or“Ofcourse.”)?Didyouprovideclearandaccurateinformationwhengivingresponses?Didyoupronounce/eɪ//aɪ//ɔɪ/loudandcorrectlyExcellentGreatGoodPhoneticsinuse[eɪ]点头应答1.下颚向上拢，舌位稍抬高2.先发[e]音，然后滑向[ɪ]音。发/eɪ/的字母/字母组合acake/keɪk/place/pleɪs/airain/reɪn/pain/peɪn/ay/peɪ/

pay/deɪ/dayeaeyeigh/ɡreɪt/

great/breɪk/breakgrey

/greɪ//ðeɪ/theyweiɡh/weɪ/eiɡht/eɪt/[aɪ]“爱”的呼唤1.舌位较靠前，舌尖抵下齿2.从

[ɑ:]滑向[ɪ]。3.前重后轻。发/aɪ/的字母/字母组合i[naɪn]nine[faɪn]finey[flaɪ]fly[plaɪ]plyighie[daɪ]die[paɪ]pie[raɪt]right[braɪt]bright[ɔɪ]熬夜男孩1.圆唇变扁唇，口型大到小2.从

[ɒ]滑向[ɪ]3.前重后轻。发/ɔɪ/的字母/字母组合oyoi[sɔɪl][ɔɪl]soiloil[tɔɪ][bɔɪ]toyboy[ɔɪ][eɪ][aɪ]buy

cake

coinhightasteListenandrepeat./eɪ/

make

cake

great

taste/aɪ/

buy

try

light

high/ɔɪ/

enjoy

oil

coin

joyLanguagePoints1.Peoplearoundtheworldeat

themindifferentways.indifferentways

用不同的方式1.父母用不同的方式来表达对孩子的爱。Parentsshowtheirloveforchildrenindifferentways.2.ItexplainstheimportanceofcorninMexico.explainsth.tosb.

向某人解释2.请把这条规则给我们解释一下。Pleaseexplainthisruletous.3.It

describes

a

famousMexicancorndish.befamousfor

因...而出名befamousas

作为...而出名1.他因他的戏剧而出名。Heisfamousforhisplay.2.他作为一名作家而出名。Heisfamousasawriter.4.Cornsilkisusedtomaketea.beusedtodosth.

被用来做某事。1.棉花被用来制作衣服。Cottonisusedtomakeclothes2.笔被用来在纸上书写。Pensareusedtowriteonthepaper.5.It's

goodforyourhealth.begoodfor对...有好处1.做早操对我们有好处。Doingmorningexercisesisgoodforus.health.n.healthyadj.健康的2.Junkfoodisbadforour________.3.It’simportanttokeep_______.healthhealthy1.世界各地2.以不同的方式3.被用来做某事4.对……有好处5.对……有坏处6.因...而出名7....重要性8.种玉米aroundtheworldindifferentwaysbeusedtodosth.begoodforbebadforbefamousfortheimportanceofgrowcorn1.很久以前,墨西哥人就开始种植玉米。Longlongago