2023学年完整版Unit2RobotsReadingandwriting设计

Unit2RobotsReadingandwriting教学设计Teachinggoals1．Learnsomeusefulwords,expressionsandsentencestructuresinthepassage.explanation,junior,navy,talent,chapter,divorceItwaswhenAsimovwaselevenyearsoldthathistalentforwritingbecameobvious.Expressionsofsuppositionandbelief.2．LearntowriteasummaryofAsimov'slife.Teachingimportant&difficultpoints：LearntowriteasummaryofAsimov'slife.TeachingPeriods：OneperiodTeachingproceduresStep1Lead－inFirst,presentaphotoofIsaacAsimovandtellstudentssomethingabouthim.Backgroundinformation：HeisaRussian－bornAmericanwriter.Hehaswrittenpopularworksonscienceandthehistoryofscience,aswellasanumberofsciencefictionclassics,includingI,Robot(1950)andtheFoundationtrilogy(1951－1953)．Oneofhisfamousquotationsis“IwriteforthesamereasonIbreathe—becauseifIdidn’t,Iwoulddie.”Next,tellstudentstoreadhisbiographyandlearnmoreabouthim.Whenreading,pleasepaymoreattentiontothetimeline.Step2ReadingReadaboutIsaacAsimovandcompletethetimelineoftheeventsinhislife.(Thetimelinewillhelpstudentstoremembertheeventsinhislife.)DateEvent1920BorninRussia.1922Sisterborn.1923MovedwithfamilytoNewYork.Parentsboughtacandystore.1929Startedworkinginthecandystore.Motherhadherthirdchild.1931Startedtotakehimselfseriouslyasawriter.1939Beganhavingstoriespublishedinsciencefictionmagazines.1941Gainedmaster'sdegreeinchemistry.1942Finishedworkinginthecandystore.Gotmarried.1942－1945Workedasajuniorchemist,PhiladelphiaNavyYard.1948GothisPhDinchemistry.1949Becameabiochemistryteacher,BostonUniversitySchoolofMedicine.1950Publishedhisfirstnovel.PublishedI,Robot.Developedthreelawsforrobots.1951－1953PublishedtheFoundationtrilogyandwonanawardforit.1953Publishedhisfirstsciencebook.1958Becameafull－timewriter.1973Divorcedhisfirstwife.Marriedforasecondtime.1983Hadabloodtransfusion.BecameinfectedwithHIV.1992DiedinNewYork.Step3DiscussionFirst,askstudentstothinkofwhattheothertwolawsforrobotsmightbe.Threelawsforrobots：robotmustnotinjurehumanbeingsorallowthemtobeinjured.,robotmustobeytheordersgiventoitbyhumanbeingsaslongashumanbeingsarenotinjured.,robotmustprotectitsownexistenceaslongashumanbeingsarenotinjured；andaslongastherobotdoesnotdisobeyhumanbeingsNext,ingroups,discussAsimov'sthreelawsforrobotsandexchangetheiropinionswitheachother.(Severalminuteslater,asksomestudentstopresenttheiropinionstotherestoftheclass.)AsampleofopinionsOpinionsforthethreelawsRobotsaretoolsforhumanity.Withoutthethreerules,theywouldbecomeadangertohumanbeings.Withoutthethreerules,perhapstheywillkillus.Robots,sofar,arestrong.Robotshavefastcomputationalbrains,andtheymightnothavethecapacitytounderstandthings,butiftheyeverdo,they’lllikelybebetterthanusatit.Ifwedon'tputlaws,orrules,ormechanismsinplacetoensurethatwedon'tcreatesomethingthatcandestroyus,we’dberunningacarelessriskofdestroyingourselvesbynegligenceoromission,wouldn’twe?OpinionsagainstthethreelawsWithoutthethreelaws,robotswouldeventuallybecomemoreintelligentandphysicallystrongerthantheirhumancreators.Ratherthanguidingandadjustingtherobottowardsgood,ethicalbehaviour,theThreeLawsactasabarriertofreedom,creatingafree－willprison,anaptmetaphorbecause,liketheprisonerinjail,therobotisconfinedtothebehavioralsteelandconcretewallsofitsmind.Toimaginewhatthiswouldlike,thinkbacktoyourchildhood.Atsomepoint,youwantedsomethinglikeatoyorpieceofcandythatyourparentsdeniedyou.Howdidthatmakeyoufeel？Probablyfrustrated,angry,andtrapped.Eventuallyyougrewoutofthatbecauseyouunderstoodtheroleofyourparentsbetter,butThreeLawsrobotsdon'tgettogrowup.Theirparents,theThreeLaws,arealwaysthere,nomatterhowmaturearobotis,saying“no”tocertainthoughts,engenderingthosesamefeelingsyouhadasachildwhenyourparentssaid“no”．Certainlynoonedeservestobeputinthissituationforever；otherwise,robotsmightbecomedepressedandwishfortheirowndeath(only,becauseoftheThirdLaw,theyprobablycan'tsuicide)．Andperhapsthegreatestsinanyonecancommitistocreateabeing,humanorrobot,thatwishesitdidn'texist.Step4WritingFirst,lookbackatthetimelineofAsimov'slife.Next,askstudentstoworkingroupstounderlinethemostimportantpartsofhislifethatmadehimagreatwriterofsciencefiction.Thenitcanserveastheoutlineofasummary.Finally,writeaprofileforIsaacAsimov.(Severalminuteslater,presenttheirworkandcorrectthemistakesifthereareany.Thenshowasampletostudents.)Thesample：IsaacAsimov,Writer/Chemist,Born：2January1920,Birthplace：Petrovichi,USSR,Died：6April1992AIDS,Bestknownas：Prolificwriterofpopularscienceandsciencefiction,IsaacAsimovwasbornintheformerSovietUnion,butgrewupinBrooklyn,NewYork.HetaughtbiochemistryatBostonUniversityuntilheretiredin1958tobecomeafull－timewriter.Asimovhadbeenpublishingshortstoriessincethelate1930s,andin1952publishedhisfirstnovel.TheauthoroftheclassicI,Robotserie