新视野大学英语1Unit3

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1、PublicattitudetowardscienceIntroduction--ScienceScienceTheobservation,identification,description,experimentalinvestigation,andtheoreticalexplanationofphenomena.科学：对现象进行观察、认知、描述、实验性的研究及理论上的解释systematic study ofanythingthatcanbeexamined,tested,andverified科学研究Brain

2、storming:Brainstormsomeofthescientificandtechnologicalinventions.ScientificandtechnologicalinventionsE-mailComputerLaptopMobilephonecloningNuclearpowerGeneticengineeringAutomobilesTelevisionElectricityInwhatwaydoscientificdiscoverieschangeourlivesforthebetterorf

3、ortheworse?Takeoneinventionforexample.changesforthebetter?changesfortheworse?Quickandeasyaccesstoinformation,education,entertainment,etc.ExposechildrentoviolenceDeprivefamiliesofqualitytimeDeprivepeopleofthewilltocommunicatewitheachotherTelevisionchangesforthebe

4、tter?changesfortheworse?ClonereplacementorgansfortransplantpatientsLossofgeneticvariationClonehumanbeing:Clonemaybetreatedassecondclasscitizens.Hitlerorotherwarcriminalsorevilpeople?CloningAnimalsofendangeredspeciescouldbepreventedfromextinction.IntroductionThes

5、amescientificandtechnologicaldiscoverycanbringusbothgoodthingsandbadthings.Itisuptoustomakechangesheadtowardschangingourlivesforthebetter.Peoplemustunderstandthatscienceisinherentlyneitherapotentialforgoodnorforevil.Itisapotentialtobeharnessedbymantodohisbidding

6、.-------GlennT.SeaborqStephenHawking(1942~):Britishtheoreticalphysicistandmathematician“Mygoalissimple.Itiscompleteunderstandingoftheuniverse,whyitisasitisandwhyitexistsatall.”---1958EnteredOxfordUniversityandbecameespeciallyinterestedinthermodynamics热力学,relativ

7、itytheory,andquantummechanics量子力学---1962receivedabachelor’sdegreeinphysicsandenrolledasaresearchstudentingeneralrelativityattheUniversityofCambridge.---1966EarnedhisPh.D.degreeattheUniversityofCambridge.StayedattheUniversityofCambridgetodopost-doctoralresearch.-

8、--1977Becameaprofessorofphysics.---1979AppointedLucasianProfessorofMathematicsatCambridge,apostonceheldbyIsaacNewton.In1966,hewasdiagnosedashavingAmyotrophicLateralSc