Unit+4+Extended+reading+课件-【高效备课精研+知识精讲提升】高中英语牛津译林版（2020）必修第三册

Lead-inWhatcansciencebringtousinyoureyes?

Makeitconvenientforustokeepincontactwithourdistantfrinds,relatives,parentsusingsmartphones.Savetimeindoinglaundryandsweepingfloorswiththeinventionofwashingmachinesandvacuumcleaners.

Savepeoplefromdeadlydiseases.Producemorefoodbyselectingwell-bredseedsusingbiotechnology.

Bringsconveniencetoourlife:

prolongshumanlifeandprovidesastablelife:However,hereisadifferentvoice...DeepthinkingIssciencegoodorevil?Unit4ExtendedReadingTheValueofScience

临湘二中高一教研组

StructureIntroduction:_________________________________________________________Mainbody:_________________________________________________________Conclusion:_________________________________________________________IntroducingthetopicThreevaluesofscienceDutyofscientistsFigureoutthestructreofthislecturetranscript.paras.1-2paras.3-6para.7whatarethethreevalues?Fastreading1.Scientificknowledgeenablesustodoandmakeallkindsofthings.2.Sciencecanprovideuswithintellectualenjoyment.3.Scientistshavethefreedomtodoubt.Whatarethevaluesofscience?Scanthelecturetranscriptandfindtheanswer.CarefulreadingWhenhewasyounger,hethoughtsciencewouldmakegoodthingsforeverybody.Duringthewarhedoubtedthatsomeevilmaybeinvolvedinscience.Laterhethoughtlongaboutthevalueofscienceandfinallytriedtoanswerthisinthistalk.Whydoestheauthorhaveadoubtinthelastsentence?Whatarethefunctionsofthesetwoparagraphs?Readparas.1-2andanswerthequestions.Carefulreading2.Tointroducethetopicandarouseaudience’sinterest.Whydoestheauthorhaveadoubtinthelastsentence?Whatarethefunctionsofthesetwoparagraphs?Readparas.1-2andanswerthequestions.Carefulreading1.5times.Thefirsttwo(line12)referto“makinggoodthings”andthefinalthree(line14and16)referto“scientificknowledge”.Howmanytimesisthepronoun“it”usedinthisparagraph?Whatdoes“it”refertoineachcase?Howdoyouunderstandthesentence“scientificknowledgeenablesustodoandmakeallkinksofthings”?Readpara.3andanswerthequestions.Carefulreading2.Theessenceofscienceisallkindsofknowledge,withwhichwecandoallkindsofthings,includinggoodandbad.Scienceitselfisnotgoodorbad.Instead,whatwechoosetodowithitcanbegoodorbad.JustasFeynmansaid,“Scientificknowledgeisanenablingpowertodoeithergoodorbad—butitdoesnotcarryinstructionsonhowtoapplyit.2.Howdoyouunderstandthesentence“scientificknowledgeenablesustodoandmakeallkinksofthings”?Readpara.3andanswerthequestions.Para.3–6Answerthequestion

Para.4Whatdoesintellecturalenjoymentinclude??Findoutwordsorphrasespositiveinmeaning.RhetoricaldeviceItisananalogy.HereFeymancomparestheintellectualenjoymentoffindingunimaginedstrangenesstotheprocessofdiscoveringwhatishiddenunderastone—justasunderneathstonestherecouldbeanunknowntreasure.“Neverconcernedthattheanswermayletusdown,withpleasureandconfidenceweturnovereachnewstonetofindunimaginedstrangenessleadingontomorewonderfuluestionsandmysteries.”Whatanalogyisusedhereandwhat’sthefunction?Feymanusesthisanalogytoemphasizethecuriosityanddeterminationthatscientistsusetouncovermysteriesandanswerquestions.ReadPara.5-6findoutthetopicsentence0102031._________(adj.)3.________(adj.)uncertainnotknowingtheanswer

havinganideaandouywhattheresultisdoubtfulignorant2._________(adj.)WhattheresultwasgoingtobePermitustoquestion-todoubt-tonotbesureRhetoricaldeviceWhenascientistdoesn’tknowtheanswertoaproblem,heisignorant.Whenhehasanideaastowhattheresultis,heisuncertain.Andwhenheisprettysureofwhattheresultisgoingtobe,heisstillinsomedoubt.(line27)Permitustoquestion—todoubt—tonotbesure.(line35)Feymanusedparallelismseveraltimesinhislecture.

Pleasefindthemoutandfigureouttheirfunctions.Whycanscientistsnaturallytakeitforgrantedthatitisnaturaltosometimesknownothinginourlife?Howdoyouexplain“ourfreedomtodoubt”?Becauseofthedeepandstrongstruggleagainstauthoritiesintheearlydaysofscience.Thatmeansscientistsnaturallytakeitforgrantedthatitisnaturaltosometimesknownothinginourlife?CarefulreadingReadpara.6andanswerthequestion.CarefulreadingTodeclarethevalueofthefreedomtodoubt.Toteachhowdoubtisnottobefearedbuttobewelcomedanddiscussed.Todemandthisfreedomtoallcominggenerations.Whatarethedutiesofscientists?Readpara.7andanswerthequestion.RhetoricaldeviceItisourresponsibilityasscientists,knowingthegreatprogressthatisthefruitoffreedomofthought,todeclarethevalueofthisfreedom;toteachhowdoubtisnottobefearedbuttobewelcomedanddiscussed;andtodemandthisfreedomasourdutytoallcominggenerations.(para.37)Feymanusedparallelismseveraltimesinhislecture.

Pleasefindthemoutandfigureouttheirfunctions.RhetoricaldeviceParallelismistherepetitionofsimilargrammaticalforms.Ithelpsmakeanideaorargumentclearandeasytoremember.Italsoshowsthateachrepeatedstructureisofequalimportance.Parallelismisapowerfultoolinpublicspeakingandwriting.ThefunctionofparallelismFeynmanbelievesthat,thegreatestscience’svaluesisthefreedomtodoubt.Howdoyouunderstandthis?ReflectionSay“No”toeverything?Throughdoubting,whatcanweachieve?Throughdoubting,weareeagertoexploretheunknown,sothatwecangetprogress.Whilemaybethesheer(完全的)distancefrommynativecountryalonecansometimesseemoverwhelming,experiencingsmallwavesofcultureshockremindsmethatI