2023学年完整公开课版BOOK7-Unit4Sharing一等奖

CreaturesthatflyinthewindBeforeyoustart(1)Kitesareoftenintheshapeofcreaturesoraredecoratedwithcreatures.Circleallthenamesofcreaturesinthetext.Underlinethethingsthatsomeofthesecreaturesrepresent.Lookupanyofthesewordsyoudon'tknowinyourdictionary.Reading(1)CreaturesthatflyinthewindPeoplelovetoflykites.Nodoubtyou'vebeentoakite-flyingfestivalorcompetitionandseenbeautifullydecoratedkitesinallsortsofshapes-birds,centipedes,frogs,butterflies,fish,serpents,dragonsandotherrealorimaginarycreatures.Thedragonkitesmighthavefirecrackershangingfromtheirmouths,explodingastheyflyintotheair.Theymighthavetwitchingeyebrows,dartingtongues,rollingeyes,movingpawsandswishingtails.Youmightthinkthatkiteshavealwaysbeenflownjustforfunbutthisisnotso.EventhoughkitesexistedinChinaasearlyasthefourthorfifthcenturiesBC,itwasonlyinabouttheeleventhcenturythattheChinesestartedtoflykitesforfun.Theearliestkiteswereusedformilitarypurposessuchassendingmessagesormeasuringdistances.TheChinesealsoinventedawayofusingkitesforfishing.Theyattachedahookandbaittoakiteandletitflyawayfromtheboat'sshadowsoasnottofrightenthefishaway.Andintheseventhandeighthcenturiestheymademusicalkitesthattheyusedtofrightenawayevilspirits.Theyhadbambooreedsfixedtothemthatmadeawailingsoundinthewindortheyhadastringstretchedacrossthemthatvibratedandmadeasoundlikeaharp.AskitesspreadthroughoutAsia,theybecamepartofthelocalcustoms.InKorea,peoplewrotethenamesandbirthdatesofboysonkitesandsentthemintothesky.Theythencutthelinesandthekitesflewawaytakingallthebadspiritswiththem.InThailand,peopleflewkitesduringthemonsoonseasontosendtheirprayerstothegods.AndinIndonesia,peoplethoughtkitesweremessengersofthegods.Kitesareoftenintheshapeofcreaturesthatbringluckoraredecoratedwithluckysymbols.ThetortoiseonJapanesekitesrepresentslonglife;thedragonprosperity;thefishstrengthofwillandfortitude.Andinsomecountriestherearespecialkite-flyingdays-thefifthdayofthefifthmonthinJapanandtheninthdayoftheninthmonthinChina.(365words/_______minutes)Vocabularycentipede百脚(蜈蚣等)serpent蛇(尤指大蛇或毒蛇)twitching抽动着的hook钩；鱼钩bait鱼饵reed芦苇；簧片wailing发出尖啸声的vibrate振动，颤动harp竖琴monsoon季风fortitude刚毅，坚韧Exercise1Lookattheadjectivesinthephrasesbelow.Whichonesdoyouthinkdescribeamovement?Whichonesdescribeasound?Thenlookupyourdictionaryandcheckyourguesses.Thinkofsomeanimalsorthingsyoucoulddescribewiththesephrases.1.twitchingeyebrows2.dartingtongues3.rollingeyes4.swishingtails5.wailingsoundExercise2Answerthequestions.1.Whenandwheredidthefirstkitesappear?2.WhatwerekitesusedforbeforetheeleventhcenturyinChina?Beforeyoustart(2)Mostkiteshaveatailthathelpsthemtobalance.Buttherearesomekitesthatdonothavetails.OneofthesetaillesskiteswasdevelopedinthenineteenthcenturybyAmerican,WilliamEddy.ItiscalledtheEddyorbowkite.Doyouthinkakitewithoutatailcouldreallyfly?Reading(2)Canatail-lesskitefly?1.Gettwopiecesoflight,strongstraightwood/bamboo.Makeonepiecetwo-thirdsthelengthoftheother.Cutanotchateachendofbothpiecesofwood.Tiethepieces-calledtheuprightandthecrossbar-togethersotheyareatrightanglestoeachother.Putadabofglueonthejointtomakesureitisstrong.Cutapieceofstringlongenoughtostretchallthewayroundthekiteframe.Threadthestringfromnotchtonotch.Makesureitistaut.2.Placetheframeonapieceofstrongpaper/silk/plastic.Cutaroundit,leaving25mmallaround.Snipthecorners,foldtheedgesoverthestringandtapeorgluethemdownsothatthematerialistight.3.Stretchapieceofstringfromoneendofthecrossbartotheotheruntilthebarbends,Stretchthestringuntilthereisagapof8cmbetweenthecrossbarandthestring.4.Glueastrongpatchofpaperorfabriconthefrontattheintersectionofthecrossbarandtheupright.Threadoneendofapieceofstringthroughthepatchandtieittothejointwherethecrossbarandtheuprightintersect.Tietheotherendtothebottomnotchtoformabridle-thestringthathelpscontrolthekiteintheair.Attachanotherlongpieceofstring-thelinethatyouholdonto-two-thirdsofthewaydownthebridle.(259words/__minutes)Vocabularynotch凹口；V形槽口upright垂直的东西crossbar横杆rightangle直角，90度角dab一点点glue胶水joint接合处frame构架，框架taut(绳子)拉紧的snip剪断patch补钉；贴片intersection交叉，交点bridle(控制风筝角度的)笼头绳Exercise3Circlealltheverbsofinstruction.Thefirstfourare:get,make,cutandtie.Usethedictionarytofindthemeaningsofanyoftheseverbsyoudon'tknow.Exercise41.Makealistofthematerialsyouwillneedtomakethekite.2.Nowmakethebowkitebyfollowingtheinstructions.Canitreallyfly?Beforeyoustart(3)Glancequicklyatthetextbelow.Whoisthetextabout?Whatwashisoccupation?Whatisthetextabout?Whatyeardidthisstorytakeplace?Reading(3)ThefamouskiteexperimentHaveyoueverwatchedlightningduringastormandwantedtoknowmoreaboutit?Backintheeighteenthcentury,anAmericaninventor,calledBenjaminFranklin,wantedtofindoutmoreaboutlightning.Hehadnoticedthatitwassimilarinmanywaystoelectricity-thecolorofthelight,itscrookeddirection,anditscracklingnoise.Thesesimilaritiesledhimtosuspectthatlightningwasaformofelectricity.Hewasdeterminedtoprovethistheory.Andthishedid,bycarryingoutanexperimentusingakite.BecausethereisnofirsthandaccountoftheexperimentandtheonlywitnesswasFranklin'sson,historianshavehadtoguessaboutexactlywhereandwhentheexperimenthappenedandtheexactdetailsofhowitworked.Asaresulttherearevariousversionsofthestoryofthekiteexperiment.Asthestorywasapopularone,itgrewintoalegendwhichisstillwellknowntoday.Thisisapproximatelyhowitgoes.Franklinknewthatakitewouldbeabletogetclosetostormclouds.Heneededtoattachsomethingtothekitethatwouldattractelectricityandsoheattachedametalkeytothestringofthekite.Thenhetiedthekitestringtoasilkribbonthathewoundaroundhishand.Thissilkribbonwouldprotecthimfromanyelectricshocks.ThenononestormydayinJune1752,the46-year-oldinventorandhis21-year-oldsontookthekitetoafieldandsentituptowardsastormcloud.Sometimelater,someloosethreadsofthestringstooderect.ThisindicatedtoFranklinthatthekeywasreceivingelectricity.Hethenplacedhisknuckleonthekeyandimmediatelygotanelectricshock,provingthatindeedlightningwasaformofelectricity.(305words/______minutes)Vocabularylightning闪电crooked弯曲的，扭曲的crackling发噼啪声的suspect怀疑attract吸引attach把……连接到……上erect竖直的，直立的knuckle指关节Exercise5Answerthequestions.Giveyouranswersincompletesentences.1.WhatwerethesimilaritiesbetweenlightningandelectricitythatFranklinnoticed?2.WhatwasFranklin'stheory?3.Whatdoyouthinka"firsthandaccount"is?4.Whyisn'titclearexactlywhathappenedintheexperiment?5.WhydidFranklinchoosetocarryouthisexperimentonastormyday?6.Whatwasthepurposeofthekey?7.WhydidFranklinplacehisknuckleonthekey?8.DidFranklinprovehistheory?Keys:Beforeyoustart(1)Creatures:birds,centipedes,frogs,butterflies,fish,serpents,dragons,tortoisesThethingstheyrepresent:longlife,prosperity,strengthofwill,fortitudeExercise1Adjectivesdescribingamovement:twitching,darting,rollingAdjectivesdescribingasound:swishing,wailing1.atwistingperson2.adartingsnake,adartingfrog3.arollingperson,somerollinglizards4.aswishingsnake,aswishinglizard5.awailingperson,thewailingwind,awailingambulancesirenExercise21.InChinaandinthefourthorfifthcenturiesBC.2.Militarypurposessuchassendingmessagesormeasuringdistances,fishing,frighteningawayevilspirits.Exercise3Verbsofinstruction:1.get,make,cut,tie,put,cut,thread,make2.place,cut,snip,fold,tape,glue3.stretch,stretch4.glue,thread,tie,tie,attachExercise