牛津译林版(2025) 必修第三册 Unit 4 Scientists Who Changed the World Extended reading 课件(共29 张PPT)(含音频+视频).ppt
Unit4ScientistswhochangedtheworldTheValueofScience
TheValueofScienceWhoisRichardFeynman?AmericanphysicistRichardFeynman(1918-1988)predictedthefutureofnanotechnology(纳米技术),andimprovedthescientificunderstandingofthenatureofwavesandparticlesandtheinteractionsoflightandmatter.?HewonNobelPrizeinPhysicsin1965.
TheValueofScienceWhoisRichardFeynman?“Scienceisthebeliefintheignoranceofexperts.”“Iwouldratherhavequestionsthatcantbeansweredthananswersthatcantbequestioned.”
Para.1-2Whatquestionisraised?Whatcausedthespeaker’sconcernaboutquestion?
Value1:enablepeopletodoandmakeallkindsofthingsWhatshouldwegivecreditforifwemakegoodthings?Scientificknowledgeisanenablingpowertodoeithergoodorbad—butitdoesnotcarryinstructionsonhowtoapplyit.Howisthisvaluerelatedtotheauthor’satomicbombinventingexperience?
Value2:provideuswithintellectualenjoymentcircleoutwordstoshowtheenjoymentWithmoreknowledgecomesadeeper,morewonderfulmystery,inspiringonetolookdeeperstill.Neverconcernedthattheanswermayletusdown,withpleasureandconfidenceweturnover...
Value3:ignorantdoubtuncertaintyHowdoestheauthorexplainthethreeconcept(概念)?
Value3:(L27)Whenascientistdoesn’tknowtheanswertoaproblem,heisignorant.Whenhehasanideaastowhattheresultis,heisuncertain.Andwhenheisprettysureofwhattheresultisgoingtobe,heisstillinsomedoubt.Whatisthespeaker’sattitudetothe“ignorance”and“doubt”?
Value3:Whichwordappearsthemostinthelastthreeparagraphs?Whatkindoffreedomisstressedforscientists?enjoythefreedomtodoubt
ExpressionsP53itrepresentedthedestructionofpeopleput…atriskbeinvolvedin…putanotherwaybeofvaluebetothecreditofscienceScientificknowledgeisanenablingpowertodoeithergoodorbad.carryinstructionsonhowtoapplyitbe