选修8unit3课件

Learningaims:1.LearnsomethingaboutAlexanderGrahamBellandhisinventionsbyscanningandreading.2.Trytomastertheusageofthefollowingsentencestructuresbypractising①.Everytime/Eachtime/Anytime…clause②.Itis/wasnotuntil…thatclauseLead-inThetelephonehasbecomepartofourlife.Butdoyouknowwhoinventedthetelephone?AlexanderGrahamBellAlexanderGrahamBellwasaninventorthatlivedbetween1819and1905.HewasborninScotlandandlaterlivedintheU.S.Hespentmuchofhiscareerteachingthedeaf.Readthepassagequicklyandquietlyandfindoutthemainidea.ScanningItmainlytalksaboutthelifeofAlexanderGrahamBellandhowhemadethegreatinventions.Readthepassageandanswerthequestions1.WhatdoesBell’ssayingmeantoyou?2.Whatdoyouthinkledtohissuccessasaninventorofthetelephone?3.WhatinventionsdidBellmake?4.Whywillhealwaysbeknownastheinventorofthetelephone?1.WhatdoesBell’ssayingmeantoyou?2.Whatdoyouthinkledtohissuccessasaninventorofthetelephone?Hiscuriosityandexploringspiritledtohissuccessasaninventorofthetelephone.Hissayingmeansthatitisimportanttobeexperimental.Bybeingcuriousandexploring,we’llcomeupwithsomenewwaysofsolvingaproblem.3.WhatinventionsdidBellmake?Bellinventedthetelephoneandthetetrahedronshapebychance.Bothofthemareveryusefulandstillusedtoday.4.Whywillhealwaysbeknownastheinventorofthetelephone?Becauseitwasaverypopularinventionandthepatentmadethemostmoneyever.Guessthemeaningsoftheusefulexpressions1.beatentrack2.setouttodosth.3.aflashofinspiration4.beassociatedwith5.diveinto被踩出来的路；常规；惯例；开始做灵感的闪现和……联系起来HedivedintothehistoryofChina．Hedivedintohispocketsandtookoutonedollar.Theboydivedintotheriverfromthebridge.潜心研究,一心投入迅速把手伸入跳水（头朝下）1.Everytimeyoudo,youwillbecertaintofindsomethingthatyouhaveneverseenbefore.①.Everytimeyoufeellikesmoking,remindyourselfthatyouareanon-smoker.②.Eachtimeyoufail,startalloveragain.③.ThelasttimeImether,shewasreadinganovel.④.我对她一见钟情。Importantsentencestructuresevery/eachtime意为“每次;每当”,此短语在句子中经常作连词,引导时间状语从句。类似短语还有：thefirst/second….time第一次/第二次……lasttime上次nexttime下次anytime任何时候theinstant/moment/minute/second一……就____Iseehim,theoldmanissittinginthesamechair.A.EverytimeB.EverytimewhenC.AteachtimeD.Eachtimethat2.Thepatentwasgivenin1876,butitwasnotuntilfivedayslaterthatBellsentthefirsttelephonemessagetohisassistant,Watson.Itis/wasnotuntil…that….Hedidn’tgotobeduntilhefinishedhishomework.Itwasnotuntilhefinishedhishomeworkthathewenttobed.1)Itwasn’tuntilnearlyamonthlater__Ireceivedthemanager’sreply.(’05全国)A.sinceB.unlessC.asD.that2)Itwas___hecamebackfromAfricathatyear___hemetthegirlhewouldliketomarry.(’09江西)A.when;thenB.not;untilC.notuntil;thatD.only;when高考链接3)–DidJackcomebackearlylastnight?--Yes,itwasnotyeteighto’clock___hearrivedhome.(’05福建）A.beforeB.whenC.thatD.untilDifficultpoints（Discussion）1.becuriousabouteverythingaroundhim2.daretoattemptnewthings3.hasexploringanddynamicspirit4.begoodatobserving5.neverrestandworkhard6.nevergiveintofailureandneverbeafraidtomakemistakesWhatqualitiesdidBellhavetobecomeafamousinventor?TestKeys:1—5BCDCB6—10CCBDA