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1、Unit11ScientificAchievementsLeadinDoyouknowsomescientists?Canyouremembertheirnamesandtheirscientificachievements?AlexanderBellelectricityThomasEdisontheFirsttelephonetheWrightBrothers’theelectricLampMadameCurieblackholesinUniverseFranklinTheoryofGravi
2、tyStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativityWarmingupNewton,TheTheoryofGravityEinstein,TheoryofRelativityEdison,theelectricLampCarlBenz,carBell,telephoneAeroplaneWrightbrothersSolarenergyCloningRadioTelevisionTheInt
3、ernet1.Amongthegreatscientificachievementsthathavechangedtheworld,whichonedoyouthinkisthemostimportant?Why?Ithinkelectricityisthemostimportant.Themodernworldcannotworkwithoutelectricity.Electricityhaschangedourwayoflife.2.Dotheseachievementshaveanythi
4、ngincommon?Ifso,what?Thesegreatachievementshavechangedtheworld.Andallthesegreatachievementsweremadebywesterners/foreigners.SpeakingUsefulexpressionsIfIgotthemoney,Iwould……Myplanisto…….Ihopethat…….Iwant/wish/hope/intend/planto……I’dliketo……I’mthinkingof
5、……HomeworkSurfontheinternetorusethelibrarytofindmoreaboutscientificachievements.ListeningWarmingupAlexanderGBell1847-1922Apioneerinthefieldoftelecommunications,Bellhadbeeninterestedintheeducationofdeafpeople.Thisinterestleadhimtoinventthemicrophoneand
6、,in1876,his"electricalspeechmachine,"whichwenowcallatelephone.By1878,BellhadsetupthefirsttelephoneexchangeinNewHaven.By1884,longdistanceconnectionsweremadebetweenBostonandNewYorkCity.NeilArmstrongwasbornonAugust5,1930inWapakoneta,OhioAsArmstrongbecame
7、thefirstpersontotouchtheMoon'ssurface,hespoketheunforgettablephrase,"That'sonesmallstepforman;onegiantleapformankind".Tomlinson,Ray(born1941) : inventorofthefirst"killerapp"RayTomlinsoncreatedoneofthebiggestcommunications phenomenaalmostbyaccident----
8、e-mail.Hechosethe'@'symboltomarkthedifferencebetweenamessagethatneededtogotoamailboxonthelocalcomputerandonethatwasheadedoutontothenetwork.Part1WordsSpeakerAchievement“That’sonesmallstepforaman,onegiantleapformankind.”NeilArmstrongListeningThe
