【课件】Unit+1(Listening+and+Speaking)+课件人教版（2019）选择性必修第四册

Unit1ScienceFiction

ListeningandSpeaking

VoiceyouropinionsonrobotsandAI

LearningobjectivesListentoaninterviewbetweenthehostandasci-fiexpertaboutrobots.TalkaboutIsaacAsimov’sThreeLawsofRoboticsandwhatyouthinkofrobottechnology.Lead-inEnjoyavideoaboutAI1.Whatjobsaretheserobotsdoing?Whataretheprosandconsofrobotsdoingthesejobs?

2.WhatkindsofrobotsorAIdevelopmentsdoyouhopefor?1Lookatthepicturesanddiscussthequestionsinpairs.WhatkindsofrobotsorAIdevelopmentsdoyouhopefor?IhopeforaneducatingrobotbecauseIcanaskanyquestionswhenIhavetroublesinlearning.

DiscussionListentoaninterviewandputthesestatementsinthecorrectorder.2__Thehostintroducestheguest,asci-fiexpert.__Theexperthasrobotsinhishome.__Asrobotsbecomemoreintelligent,theymayalsobecomemoredangerous.__ThehostmentionsAsimov'sThreeLawsofRobotics.__Theexpertsaysrobotswillhaveoccupationssuchasteachingandnursing.__Thelinebetweenhumansandrobotswillbemoreblurredinthefuture.__Thehostasksaboutbenefitsandproblems.__Thehostasksiftherearerobotsintheexpert'shome.__Insci-fistories,robotsoftenbecomesuperiorandtakeover.194275683Listentotheinterviewagainandwritedownthediscoursemarkersthatyouhear.Makeanoteofhoweachdiscoursemarkerisusedintheinterview.Thencompareyouranswerswithapartner.ListenfordiscoursemarkersDiscoursemarkersareusedtoorganizeatextbymarkingsequence,contrast,opinion,purpose,andsoon.Listeningfordiscoursemarkerscanhelpyouunderstandatextmoreeasily.Forexample,first,however,aboveall,inorderto

etc.3Ingroups,discusswhattheexpertthinksofthequestionsandexchangeyourownviews.Youmayusethefollowingexpressionstohelpyou.4ChangingthetopicOh,bytheway,... Oh,Iremember,…Inearlyforgot!…WhatImeanttotell/askyouis……,but(perhaps)that’sbesidethepoint.Thatremindsmeof…Thenextitemontheagendais…Ithinkweoughttomoveonto...Ontheonehand…OnTheotherhand…Oh,therewassomethingImeanttotellyou.CouldIchangethesubject?1.Whatdoyouknowaboutrobottechnology?Whatcanrobotsdo?2.DoyouknowanythingaboutIsaacAsimovandhisfamousThreeLawsofRobotics?Whatdoyouthinkoftheselaws?3.DoyouknowanythingaboutIsaacAsimovandhisfamousThreeLawsofRobotics?Whatdoyouthinkoftheselaws?5Discussion1.Whatdoyouknowaboutrobottechnology?Whatcanrobotsdo?Robotstechnologyhasitsconsandpros.Itcanbringgreatconveniencetohumanbeingstogetherwithsomescientificormoralproblems.Arobotisamachinethatcandoataskaccordingtocomputerprogramsorthroughtheuseofsomekindofcontrols2.WhatbenefitsdoyouthinkrobotsorAIwillbring?Doyouthinktheywillcauseproblemsaswell?

Themainbenefitsarethattheycandosomekindsofworkmorequickly,better,andcheaperthanhumans,andthattheycantaketheplaceofhumanswhennohumansareavailableorwhenhumanscannotdothework.

Theycancauseproblems,however.First,whathappensiftheynolongerservepeopleorstopfollowingorders?Second,thereisthepossibilitythatatsomepointwewillhavedifficultydeterminingwhatconstitutesalivingbeingandwhatconstitutesamachine.3.DoyouknowanythingaboutIsaacAsimovandhisfamousThreeLawsofRobotics?Whatdoyouthinkoftheselaws?

3.DoyouknowanythingaboutIsaacAsimovandhisfamousThreeLawsofRobotics?Yes.Ido.IsaacAsimovintroducedthemintomostofhissciencefictionwritingstoshowthatrobotscouldbepreventedfromharmingusorourworld.Theyarenotactualscientificlaws,butratherguidelinesfortheirhumanprogrammerstofollowtokeepourworldsafe.Atfirstglance,therulesseemlogicalandreasonablebuttheyalsoseemoutdated.Whatdoyouthinkoftheselaws?ThreeLawsofRoboticsExample

A:Oh,bytheway,Isawaprogrammeaboutrobotdoctorslastnight.Itwasveryinteresting.Doyouthinkrobotswilldomoreoftheseimportantjobsinthefuture?

B:Certainly.Theywillprobablydomostofourlabourforus.

C:Maybe,butthat'sbesidethepoint.Inmyopinion,robotsaredangerous!Theyaremuchstrongerthanweareandmaybesuperiortousinthefuture.

....A:Oh,bytheway,Isawaprogramaboutrobotdoctorslastnight.Itwasveryinteresting.Doyouthinkrobotswilldomoreoftheseimportantjobsinthefuture?B:Certainly.Theywillprobablydomostofourlabourforus.C:Maybe,butthat'sbesidethepoint.Inmyopinion,robotsaredangerous!Theyaremuchstrongerthanweareandmaybesuperiortousinthefuture.A:Ithinkweoughttomoveontothetopicofrobottechnology.Iknowtheideaofithasbeenaroundforever.TheancientGreeksandChinesebothSamplemadecleverdevicesthatweren'tmuchdifferentthansomeoftherobotswehavetoday.B:Yes,butthemodernideaofintelligentrobotsthatlooklikehumansisonlyabout100yearsold.C:Ithinkwehadbettermoveontowhatrobotscando.Let'ssee...therearesimplerepetitivetaskslikefactoryworkandhousework.A:Yes,andIthinktherewillbemorecomplexjobsinthefuturelikeinhealthcare,education,orentertainment.C: