人教高中英语Unit2 Looking into the future period4Make predictions about future changes.pptx
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1、Make predictions about future changesUnit2LookingintothefuturePeriod4选择性必修一选择性必修一人教版(人教版(2019)Whatdothesepicturesshow?Matchthewordswithpictures.Lead-inLead-in_automation_nanobots_globalwarming_artificialintelligence_cloningLead-inWhatdothesepicturesshow?ArtificialIntelligence,shortforAI.Itisanewtech
2、nologysciencetoresearchanddevelopapplicationsystemforsimulatingandextendinghumanintelligence.ThekeyofAIistheabilitytoconstructandmoveobjects,usetoolsandmanipulatemachinesthataresimilartoorsuperiortohumans.Therearealotoftoolsthatuseartificialintelligence.Lead-inWhatdothesepicturesshow?Theideaofnanobo
3、tsistoapplybiologicalprinciplesatthenanoscale(纳米纳米尺度)尺度),discoveringnewphenomena,anddevelopingprogrammablemolecularrobots(分子机器人)分子机器人).Scientistshavedevelopedavarietyofnanobotsthatcanwalkintothemicroscopicworldofthehumanbody,itisexpectedtobeusedtoremoveharmfulsubstances,repairdamagedgenes,maintainhu
4、manhealthandprolonghumanlife.Lead-inWhatdothesepicturesshow?Automationhasevolvedtoahighdegreeofautomationinself-learning,self-organization,self-maintenance,andself-repair,withautomationbeingparticularlyimportantinthefieldofmachinebuilding.Theautomationofmachine-buildingismainlyshownintheheavyanddang
5、erousworkofreplacingpeople.Lead-inWhatdothesepicturesshow?Cloningisthecreationofapurecelllinefromthesameancestorcell,inwhicheachcellisgeneticallyidenticaltotheother.Inthelate1980s,Chinahadbeenusingembryoniccells(胚胎细胞)(胚胎细胞)asadonortoclonethemammals.Bythemid-1990s,sixkindsofmammalsincludingmouse,rabb
6、it,goat,cow,pigandhorse,hadbeenclonedbythismethod.DiscussionHowdoyouthinktheseeventsorsuchtechnologymightdevelopinthefuture?Whatchallengesandopportunitiesmighttheybring?DiscussionGroupsScoreGroup1Group2Group3GroupsScoreGroup4Group5Group6DiscussionHowdoyouthinktheseeventsorsuchtechnologymightdevelopi
7、nthefuture?Whatchallengesandopportunitiesmighttheybring?Challenges:With the development of computer technology,more users information are stolen.More people are out of work because of automation.Cloning may result in disorder.The Polar bears and other animals will lost their home because of the melt
8、 ice caused by global warming.DiscussionHowdoyouthinktheseeventsorsuchtechnologymightdevelopinthefuture?Whatchallengesandopportunitiesmighttheybring?Opportunities:Moreinformationisavailabletousersowingtothedevelopmentofcomputertechnology.Peoplecanfreethemselvestoenjoylifebecauseofautomation.Cloningm
9、aycuremorepatients.PeoplecanliveinharmonywiththePolarbears.ListeningTipsListenforpredictionsWhenlisteningforpredictions,youshouldlistenfortheuseofthefuturetense,inparticularthefuturetensewithwillorwill be doing.Wordssuchaspredict,prediction,andforecast,arealsousedquiteoftenwhenmakingpredictions.Whil
10、e-listeningListentotheradiointerviewwithDrHanandVincentBlackgivingtheirpredictionsaboutthefuture,andthenfillinthetablebelow.NameOccupationPredictionDrHan acomputerscientist Iforecastthatcomputerswillbeclevererthanusinthefuture.Ithinkthatpeoplewillalsobeprogrammingcomputerstothinklikehumans.While-lis
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