[公开课ppt课件]选修八：unit3(module8)-Bell.ppt

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1、Do you know any inventors and inventions?Guess what the invention is or who the inventor is.TheinventorisfromAmerica.Heisoneofthefatherofinventions.Theinventorinventedthebulb.312Who is he?Who is he?EdisonEdisonThisinventionlookslikeabird.Itsmadeofmetal.Itmakesitpossibleforpeopletoflytodifferentplace

2、sintheworld.Itispoweredbyanengineandisflownbyapilot.3124What is it?What is it?AirplaneAirplaneThisinventioncanhelppeopleinthestreet.Itlookslikeatreestandingbesidethestreet.Itdirectscarsandtrucks.Itusescoloredlights.Redmeansstopping,greenmeansgoing.TrafficlightsTrafficlights3124What is it?What is it?

3、Hewasaworld-famousinventorfromSweden.Hereisoneofhisphotos.Heinventeddynamite(炸药炸药).Afamousprizewas namedafterhim.Who is he?Who is he?3124AlfredNobelAlfredNobelTheinventionlookslikeachair.Ithasapipethroughwhichthewastecango.Peopleuseittoremovewastematerialfromtheirbodies.Itisusuallymadeofchinatheseye

4、ars.What is it?What is it?3124 ToiletToiletItsmadeofplasticsandmetal.Itlookslikeasmallboxwithascreenandbuttonsonit.Withtheinventionyoucancontactsomeonewhileyouarewalking.312What is it?What is it?MobilephoneMobilephoneLead-inTelephoneshavebecomepartofourlife.Butdoyouknowwhoinventedthetelephone?ABriti

5、shinventorcalledAlexanderGrahamBell.亚历山大格雷厄姆贝尔亚历山大格雷厄姆贝尔 Brainstorming:TellsomethingaboutAlexanderGrahamBell andhisinventions.Pre-readingGraspthemainideaofthepassage.Itmainlytalksabout_ofAlexanderGrahamBellandhowhemadethe_Skimming:While-readingthelifegreatinventions.1.Which of the following statemen

6、ts is not true?A.Bell invented the telephone by chance.B.Bell got a patent for the telephone at 30.C.Bell was interested in helping deaf peopleD.Bell succeeded in many areas besides the telephoneBScanning and Comprehending2.In the year _ Bell made his last invention.A.1920 B.1921 C.1922 D.19233.Mode

7、rn bridge designs benefit a lot from _.A.triangles B.tetrahedron shape B.C.kites D.flying machines4.His most famous saying suggested that he was _.A.thinking hard B.to rest B.C.of few words D.thinking too muchCBAReading for details:Para.1.What was his interest when he was young?And why?He became int

8、erested in helping deaf people communicate and in education.Because his mother was entirely deaf.He believed that his curiosity was the key to his success.Para.2.What did he think was the key to his success as an inventor?Para.3.How was the telephone invented?Para.3.How was the telephone invented?ai

9、m:wanted to improvedesigned a machineexperimented withnoticedsuddenly had a flash of inspiration:inventedIn searching to improve_,Bell invented the first telephone!By chancethe telegraphPara.4-7 What is the importance of his invention?Friends will talk to each other without leaving home.What was his

10、 new discovery?The tetrahedron shape.By chanceWhywillhealwaysbeknownastheinventorofthetelephone?Whywillhealwaysbeknownastheinventorofthetelephone?BecauseitwasaverypopularinventionandthepatentmadetheBecauseitwasaverypopularinventionandthepatentmadethemostmoneyever.mostmoneyever.1.Hefoundthatbypressin

11、ghislipsagainsthismothersforehead,hecouldmakehismotherunderstandwhathewassaying.他发现当他把嘴唇放在母亲的前额上，他他发现当他把嘴唇放在母亲的前额上，他就会让他母亲明白他说的话。就会让他母亲明白他说的话。KeyanddifficultsentencesPost-reading:2.“Leave the beaten track occasionally and Leave the beaten track occasionally and dive intodive into the woods.the woods

12、.EveryEvery timetime you doyou do you you will be certain to find something that you will be certain to find something that you have never seen before.Follow it up,explore have never seen before.Follow it up,explore all around it,and before you know it,you all around it,and before you know it,you wi

13、ll have something will have something worth thinking aboutworth thinking about to occupy your mind.to occupy your mind.All really big All really big discoveries are the result of thought.”discoveries are the result of thought.”3.Thepatentwasgivenin1876,butitwasnotuntilfivedayslaterthatBellsentthefir

14、sttelephonemessagetohisassistant,Watson.这项专利是这项专利是1876年发布的，但是贝尔年发布的，但是贝尔是在是在5天之后才跟他的助手华生通了天之后才跟他的助手华生通了第一次电话。第一次电话。4.Beingverystable,ithasprovedinvaluableinthedesignofbridges.(四面体四面体)十分稳定牢固十分稳定牢固,在桥梁在桥梁设计领域的价值难以估量。设计领域的价值难以估量。Biography(传记传记）Name:Birth:Birth place:When he was his family moved to .His

15、 mother was almost .Alexander Graham Bell1847ScotlandyoungBostondeafConclusionBells most famous invention:Recognitions:The patent was given intelephone1876Sound waves could be in a moving ,they could be sent along reproducedelectrical currenta wireInventions in other areas:He experimented with and .

16、He put together and discovered the shape.Being ,it was proved invaluable in the design of .He made his first invention at and his last at .helicopter designsflying machinetrianglestetrahedronstablebridgeselevenseventy fivePros:Itsnecessaryforastudenttohaveamobilephone.Cons:Itsunnecessaryforastudentt

17、ohaveamobilephone.Homework:1.Translate the text into Chinese.2.writingWriteareportaccordingtothedebate.Twosidesopinionsshouldbeincludedaswellasyours.120words.Today our class had a heated debate on whether it is necessary for a student to have a mobile phone.UsefulexpressionsBeinfavorof/objecttobecause/forthereasonthatAccordingto,havesomeadvantages.SomepeoplebelievethatOthersarguethatOthers,however,holdadifferentview/anoppositeopinion.ItmaybeagoodideatoThereisnothingwrongforsb.toForonething,foranotherItsconvenientforsb.todosth.Inmyopinion/AsfarasImconcerned,2023/1/152023/1/15