Usinglanguage高中英语选修8Unit3省公开课金奖全国赛课一等奖微课获奖课件

Unit31/52Unit3Inventorsandinventions2/52Usinglanguage3/52AlexanderGrahamBell4/52Telephonesbecomepartofourlife.Butdoyouknowwhoinventedthetelephone?ABritishinventorcalledAlexanderGrahamBell.5/52Discussthefollowingquestionsingroups:1.Whatdoyouknowabouttheinventor?2.Howusefulishisinventiontohumansociety?Why?Pre-reading6/52Bellisknownformuchofhisworkfordeafeducation.HebecameaprofessorofvocalphysiologyatBostonUniversity.7/52Hisjobwastohelpdeafpeopletounderstand

speakingpeopleandtomakethemselvesunderstoodbylearninghowtospeak.Whenheinventedthetelephone,hewastestingamethodofhelpingadeafpersontohear.8/52Readthepassagequicklyandfindoutthemainideaofit.ItmainlytalksaboutthelifeofAlexanderGrahamBellandhowhemadethegreatinventions.9/52Readthepassageagainandanswerthequestions.1.WhatdoesBell’ssayingmeantoyou? Hissayingmeansthatitisimportantto beexperimental.Bybeingcuriousand exploringaroundasubjectyoumayby chancecomeupwithsomenewand originalwaysofsolvingaproblem.10/522.Whatdoyouthinkledtohissuccessasaninventorofthetelephone?

Hiscuriosityandexploringspiritledtohissuccessasaninventorofthetelephone.11/523.WhatinventionsdidBellmake?Bellinventedthetelephoneandthetetrahedronshapebychance.Bothoftheseareextremelyusefulandstillusedtoday.12/524.Whywillhealwaysbeknownastheinventorofthetelephone?

Hewillalwaysbeknownastheinventorofthetelephonebecauseitwasaverypopularinventionandthepatentmadethemostmoneyever.13/52Readthepassagecarefullyandfillintheblanks.BirthBornin1847in________.InventionsanddiscoveriesThemicrophone:Hisinterestinhelping____peoplecommunicateandindeafeducation___________inventthemicrophone.Scotlanddeafledhimto14/52Thetelephone:Insearchingtoimprovethe_________,heinventedthefirsttelephone.telegraph15/52Thetetrahedronshape:Whilesearchingforakitestrongenoughto__________intotheair,heexperiencedputting________togetheranddiscoveredthetetrahedronshape.carryamantriangles16/521.Hebelievedthatoneshouldalwaysbecuriousandhismostfamoussayingwas:“Leavethebeatentrackoccasionallyanddiveintothewoods.Everytimeyoudoyouwillbecertaintofindsomethingthatyouhaveneverseenbefore.17/52Followitup,exploreallaroundit,andbeforeyouknowit,youwillhavesomethingworththinkingabouttooccupyyourmind.

Allreallybigdiscoveriesaretheresultofthought.”

18/52

他认为人应该保持一颗好奇心，他最著名一名话是:“偶然离开平路，去寻求困境。当你这么做时候，你一定会发觉你从未见过东西。跟踪下去，不停探索，不知不觉中，你就会发觉某种值得思索东西占据着你头脑。全部真正伟大发觉都是思索结果。”19/521)diveinto

e.g.He

divedintothehistoryofChina.

他潜心研究中国历史。

Hedivedintohispocketsandfishedoutonedollar.他快速把手伸进口袋掏出了一美元。跳水(头朝下)；快速把手伸入；(对活动，问题等)全心投入，潜心研究20/52Theboydivedintotheriverfromthebridge.这男孩从桥上跳入河中。diveinto作“潜心于……”讲时和devoteoneselftosth.意思一样，但devoteoneselftosth.还有“投身于……;把自己贡献给……”意思。21/522)every/eachtime意为“每次;每当”,此短语在句子中经常作连接词,引导时间状语从句,做连词名词。能用做连词名词短语还有：thefirsttime第一次lasttime上次nexttime下次

theinstant/moment/minute/second…that一……就……22/52____Iseehim,theoldmanissittinginthesamechair.A.EverytimeB.EverytimewhenC.AteachtimeD.Eachtimethat23/522.Bellnever

setout

toinventthetelephoneandwhathewastryingtodesignwasamultipletelegraph.贝尔从未打算创造电话而是试图设计一个复式电报。24/52setout(todosth.)

开始（做某事）,着手干;为某个目标而努力e.g.Theyaresettingouttodoanewexperiment.他们正在着手做一项新试验。Hesetouttobreaktherecordforthechannelswim.他决心打破游过海峡统计。25/52setouttodosth.=setaboutdoingsth.setoutfor=setofffor=leavefor意为“出发到……去”e.g.Let’ssetoutbeforedark.我们天黑前动身吧。TomorrowI’llsetoutforBeijing.

明天我将出发去北京。26/521)Atdawn,theyset____togetreadyfortheworkoftheday.A.offB.aboutC.outD.in2)Theyset________atabout8o’clock.A.abouttoworkB.abouttoworkingC.aboutworkingD.outwork27/523.Suddenlyhehadaflashofinspiration.突然间,他灵光闪现。aflashofinspiration

指“灵感闪现”inspiration

n.

〔C〕鼓舞激励人或事物e.g.

Theseeventsprovidedthe

inspirationforherfirstbook.

这些事是她第一本书灵感起源。〔U〕灵感,启发；28/52Hesaidmysisterwastheinspiration

forhisheroine.他说我姐姐是他女主人公原型。drawinspirationfrom从……中吸收灵感inspirev.

激励；勉励inspiredadj.

借助于灵感创作inspiringadj.

勉励人心；激励29/524.Ifsoundwavescouldbereproducedin amovingelectricalcurrent,theycould besentalongawire.假如声波能够在移动电流中复制,它 们就能够被沿电线传送。reproducevt.复制;再现形象或声音e.g.Thetaperecorderreproducedthesymphony.

录音机可使这交响曲重现。30/52Current(1)n.气流;水流,洋流;电流e.g.Thecurrentisstrongestinthemiddleoftheriver．河中央水流最急。Thisbuttonswitchesthecurrenton.这个电钮接通电流。circuit[‘sɜːkɪt]

电路例：Anyattemptstocutthroughthecablingwillbreaktheelectricalcircuit.任何切断电缆做法都会使电路中止。31/52(2)adj.时下,当今,流行,通用e.g.Mostoftheoldareinterestedin

currentevents.大部分老年人都对时事感兴趣。Theyareexpectingprofitsofover$2millioninthecurrentyear.他们期望今年利润超出二百万美元。Thewordisnolongerincurrentuse.这个词已不再使用。32/525.

Thepatentwasgivenin1876,butitwas

notuntilfivedayslaterthatBellsenthisfirsttelephonemessagetohisassistant,Watson.这项专利是1876年公布，不过贝尔是在5天之后才跟他助手华生通了第一次电话。33/52Itis/wasnotuntil…that….这是强调notuntil引导时间状语从句句型。e.g.Itwas

notuntilhefinishedhishomework

that

hewenttobed.34/526.Beingverystable,ithasproved invaluableinthedesignofbridges.

(四面体)十分稳定牢靠,在桥梁设计领域价值难以估量。Beingverystable,是Becauseitisverystable省略句,它在句中作原因状语。35/52stable:

e.g.1.Thepatient’sconditionisstable.患者病情稳定。2.Theladderdoesn’tseemvery

stable.这架梯子好像不太稳。

astablerelationship稳定关系adj.

稳固；稳定；牢靠36/52ZhouRuihasdecidedtodoaprojectonalivingBritishinventorcalledJamesDyson.SohetelephonedDyson’scompanyinEnglandtointerviewoneofitsengineersaboutthegreatman’sideas.Listeningandspeaking37/52JamesDyson工业设计师,创造家,真空吸尘器创造者。戴森工业创始人。38/521.Listentothetapeandtickthewordsyouhear.□washingmachine□drum□refrigerator□bicycle□carpetcleaner□court√√√√39/52ObjectTheProblemJamesDyson’simprovementWashingmachineWashingmachinesatthattimedonotcleantheclothesaswellasbyhand.Heinventedamachineusingtwodrumswhichmoveinoppositedirections.2.ListenagainandmakenotesonJamesDyson’sinvention.40/52戴森企业介绍戴森企业是一家总部设在英国工程技术创新企业，其产品行销全球45个国家。在创始人詹姆斯·戴森领导下，戴森企业为吸尘器、洗衣机、自动吸尘器以及手持吸尘器设计并研发新技术，当前其全球销售额已超出60亿美金。戴森企业于年进入中国，在南京建立生产基地，生产由数字电机驱动干手机产品。年，戴森北京分企业成立。41/52YouwanttoapplyforajobinJamesDyson’scompany.Soyouringuponeofhisengineerstoaskwhatkindofpersonheneeds.Remembertoaskforasmuchinformationasyoucan.Herearesomephrasesthatmaybeusefulforyoutomakeatelephonecall.Dialogue42/52Whichextension…,please?CanIspeakto…,please?Holdtheline,please.Hangon,please.Justamoment,please.I’msorry,butthisphoneisoutoforder.43/52Ican’tgetthrough.Sorry.He/Sheisn’thererightnow.CanIringbacklater?I’llringhim/herupagain.Imustringoffnowbecause…44/52getthrough设法联络上(尤指打通电话)；做完。[考例1]

Icouldn’t_______.Thelinewasbusy.A.goby B.goaroundC.getin D.getthrough[点拨]getthrough在此意为“打通电话”。goby过去,经过;goaround处处走,(疾病)流传,(谣言)传开;getin收割。45/52R:JamesDyson’sCompany.Whichextensiondoyouwantplease?S:I’msorryIdon’tknow.CanIspeaktosomeoneaboutworkingasanengineerinJamesDyson’sCompany?Isthatpossible?Sampledialogue:R=receptionist

E=engineerS=student46/52R:Yes,I’msureitis.HoldthelinepleasewhileItrytoputyouthrough