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2019-2020年高中英语Unit2《Robots》Period
(7)教案新人教版选修7Teachinggoals 1.Learnsomeusefulwords,expressionsandsentencestructuresinthepassage.explanation,junior,navy,talent,chapter,divorceItwaswhenAsimovwaselevenyearsoldthathistalentforwritingbecameobvious.Expressionsofsuppositionandbelief.2.LearntowriteasummaryofAsimovslife.Teachingprocedures Step1 Lead-inFirst,presentaphotoofIsaacAsimovandtellstudentssomethingabouthim.Backgroundinformation HeisaRussian-bornAmericanwriter.Hehaswrittenpopularworksonscienceandthehistoryofscience,aswellasanumberofsciencefictionclassics,includingI,Robot1950andtheFoundationtrilogy1951-1953.Oneofhisfamousquotationsis“IwriteforthesamereasonIbreathe—becauseifIdidnt,Iwoulddie.”Next,tellstudentstoreadhisbiographyandlearnmoreabouthim.Whenreading,pleasepaymoreattentiontothetimeline.Step2 ReadingReadaboutIsaacAsimovandpletethetimelineoftheeventsinhislife.Thetimelinewillhelpstudentstoremembertheeventsinhislife.DateEvent1920BorninRussia.19221923______________________________________________Parentsboughtacandystore.1929________________________________________________________________________Motherhadherthirdchild.Startedtotakehimselfseriouslyasawriter.1939Gainedmastersdegreeinchemistry.1942Finishedworkinginthecandystore.___________________________________1942-1945GothisPhDinchemistry.Becameabiochemistryteacher,BostonUniversitySchoolofMedicine.1950Publishedhisfirstnovel.__________________________________Developedthreelawsforrobots.1951-1953PublishedtheFoundationtrilogyandwonanawardforit.Publishedhisfirstsciencebook.Becameafull-timewriter.1973Divorcedhisfirstwife._________________________________________Hadabloodtransfusion.BecameinfectedwithHIV.1992Suggestedanswers DateEvent1920BorninRussia.1922Sisterborn.1923MovedwithfamilytoNewYork.Parentsboughtacandystore.1929Startedworkinginthecandystore.Motherhadherthirdchild.1931Startedtotakehimselfseriouslyasawriter.1939Beganhavingstoriespublishedinsciencefictionmagazines.1941Gainedmastersdegreeinchemistry.1942Finishedworkinginthecandystore.Gotmarried.1942-1945Workedasajuniorchemist,PhiladelphiaNavyYard.1948GothisPhDinchemistry.1949Becameabiochemistryteacher,BostonUniversitySchoolofMedicine.1950Publishedhisfirstnovel.PublishedI,Robot.Developedthreelawsforrobots.1951-1953PublishedtheFoundationtrilogyandwonanawardforit.1953Publishedhisfirstsciencebook.1958Becameafull-timewriter.1973Divorcedhisfirstwife.Marriedforasecondtime.1983Hadabloodtransfusion.BecameinfectedwithHIV.1992DiedinNewYork.Step3 DiscussionFirst,askstudentstothinkofwhattheothertwolawsforrobotsmightbe.Threelawsforrobots
1.Arobotmustnotinjurehumanbeingsorallowthemtobeinjured.
2.Arobotmustobeytheordersgiventoitbyhumanbeingsaslongashumanbeingsarenotinjured.
3.Arobotmustprotectitsownexistenceaslongashumanbeingsarenotinjured;andaslongastherobotdoesnotdisobeyhumanbeingsNext,ingroups,discussAsimovsthreelawsforrobotsandexchangetheiropinionswitheachother.Severalminuteslater,asksomestudentstopresenttheiropinionstotherestoftheclass.AsampleofopinionsOpinions_for_the_three_lawsRobotsaretoolsforhumanity.Withoutthethreerules,theywouldbeeadangertohumanbeings.Withoutthethreerules,perhapstheywillkillus.Robots,sofar,arestrong.Robotshavefastputationalbrains,andtheymightnothavethecapacitytounderstandthings,butiftheyeverdo,theylllikelybebetterthanusatit.Ifwedontputlaws,orrules,ormechanismsinplacetoensurethatwedontcreatesomethingthatcandestroyus,wedberunningacarelessriskofdestroyingourselvesbynegligenceoromission,wouldntweOpinions_against_the_three_lawsWithoutthethreelaws,robotswouldeventuallybeemoreintelligentandphysicallystrongerthantheirhumancreators.Ratherthanguidingandadjustingtherobottowardsgood,ethicalbehaviour,theThreeLawsactasabarriertofreedom,creatingafree-willprison,anaptmetaphorbecause,liketheprisonerinjail,therobotisconfinedtothebehaviouralsteelandconcretewallsofitsmind.Toimaginewhatthiswouldlike,thinkbacktoyourchildhood.Atsomepoint,youwantedsomethinglikeatoyorpieceofcandythatyourparentsdeniedyou.Howdidthatmakeyoufeel?Probablyfrustrated,angry,andtrapped.Eventuallyyougrewoutofthatbecauseyouunderstoodtheroleofyourparentsbetter,butThreeLawsrobotsdontgettogrowup.Theirparents,theThreeLaws,arealwaysthere,nomatterhowmaturearobotis,saying“no”tocertainthoughts,engenderingthosesamefeelingsyouhadasachildwhenyourparentssaid“no”.Certainlynoonedeservestobeputinthissituationforever;otherwise,robotsmightbeedepressedandwishfortheirowndeathonly,becauseoftheThirdLaw,theyprobablycantsuicide.Andperhapsthegreatestsinanyonecanmitistocreateabeing,humanorrobot,thatwishesitdidntexist.Step4 WritingFirst,lookbackatthetimelineofAsimovslife.Next,askstudentstoworkingroupstounderlinethemostimportantpartsofhislifethatmadehimagreatwriterofsciencefiction.Thenitcanserveastheoutlineofasummary.Finally,writeaprofileforIsaacAsimov.Severalminuteslater,presenttheirworkandcorrectthemistakesifthereareany.Thenshowasampletostudents.Thesample IsaacAsimov,Writer/ChemistBorn2January1920Birthplace Petrovichi,USSRDied6April1992AIDSBestknownas ProlificwriterofpopularscienceandsciencefictionIsaacAsimovwasbornintheformerSovietUnion,butgrewupinBrooklyn,NewYork.HetaughtbiochemistryatBostonUniversityuntilheretiredin1958tobeeafull-timewriter.Asimovhadbeenpublishingshortstoriessincethelate1930s,andin1952publishedhisfirstnovel.TheauthoroftheclassicI,RobotseriesandtheFoundationtrilogy,Asimovwrotemorethan400booksandwoneverymajorsciencefictionaward.Healsowrotepopularbooksandessaysonscienceandtechnology,earninghimthenickname“TheGreatExplainer”.Step5 HomeworkWriteashortsummaryofAsimovslifein150-200words.。