人教课标版高中英语选修8Unit3Using-LanguageⅠ(共17张PPT)

Unit3InventorsandInventionsUsingLanguageAlexanderGrahamBellStep1:BrainstormingIngroupsoffourorsixwritedownasmanyinventionsasyoucanthinkof.thecartheplanethetraintheseismographtherockettheelectricbulbthetelephone....Step2:Lead-in–readthefollowingA:Hello,thisis123456.B:Hello,thisisTom.MayIspeaktoKate?A:Justamoment,please.I’msorry.Sheisnothererightnow.IsthereanythingIcandoforyou?B:No,thankyouallthesame.I’llringherupagain.B:Hello,thisisTom.CanIspeaktoKate?C:Speaking.B:Tomorrowtherewillbeabookshowinthedigitalstreet.Iwanttogoandhavealookwithyou.Areyoufree?C:Yes,Iwouldliketogo.Whattimeshallwemeet?B:Whatabout9o’clockinthemorning.C:That’sgreat.Seeyoutomorrow.Wheredidthedialoguehappen?atschoolonthetelephoneathomeinthedigitalstreetWheredidthedialoguehappen?A.atschoolB.onthetelephoneC.athomeD.inthedigitalstreetThetelephonehasbecomeanimportantpartofourlife.Butdoyouknowwhoinventedthefirsttelephone?AninventorcalledAlexanderGrahamBell亚历山大．格雷厄姆．贝尔•ApictureofapathinaforestStudysomedifficultandimportantwordsandphrasesbelow.beatentrackdiveintothewoodsdynamicsetouttetrahedronthepathwherepeopleusuallywalkgointotheforestwherethereisnopathenergeticplanReadingTask1:GetsomegeneralinformationofBell.DateInformationIn1847Hewasyoung11yearsoldIn187675yearsoldHewasborn.HisfamilymovedtoBoston,USA.Hemadehisfirstinvention.Heinventedthefirsttelephone.Hemadehislastinvention.Task2.Matchthemainideaofeachparagraph.Para1Para2Para3Para4Para5Para6Para7Bellcontinuedtoexperiment,discoverandinventBell’smostfamousinvention-thetelephoneHisfirsttelephonemessageFamilyandbackgroundTheimportanceofhisinventionAninventorandasearcherafterpracticalsolutionsallhislifeBell’smostfamoussaying1.Whydidheinventthemicrophone?2.WhenBellinventedthetelephonehewasworkingonimprovingsomethingelse.What?3.WhatwasBell’sfirsttelephonemessage?4.Whatwastheadvantageofusingthetelephonecomparedtousingthetelegraph?Task3:Workingroupsandanswerthequestionsbelow。1.Whydidheinventthemicrophone?Heinventedthemicrophonebecausehismotherwasalmostdeafandhewantedtocommunicatewithher.2.WhenBellinventedthetelephonehewasworkingonimprovingsomethingelse.What?Thetelegraph3.WhatwasBell’sfirsttelephonemessage?“MrWatson-comehere-Iwanttoseeyou.”4.Whatwastheadvantageofusingthetelephonecomparedtousingthetelegraph?Theadvantageofusingthetelephonewasthatpeoplecouldtalkonthephone.Task4:SummaryAlexanderGrahamBellwasbornin1847inScotland,butlivedmostofhislifeinthe____.Becausehismotherwas_____,hebecameinterestedinhelpingdeaf_______communicate.Heinventedthe_____________andheimprovedthe__________.Bellnever________toinventthe________,buthedid.Thiswasin18___.Bellwascuriousanddynamic.Hewasaninventorall______andhesearchedafter________solutionstoimprovethe______ofeverybody’slife—especiallythedeaf.USAdeafpeoplemicrophonetelegraphsetouttelephone76hislifepracticalqualityStep4:Discussion(Extratask-useadjectivetoanswerit)Whatgoodqualitiesdoyouthinkaninventorshouldhave?creativecuriouspatientimaginativehard-workingadventurousknowledgeable…Step5:Homework1.Readthetextagain.2.Underlinethewordsandphrasesthatarenewtoyou.Choosethetenmostimportantonesandstudythem.