1、（金戈铁骑（金戈铁骑 整理制作整理制作）Unit3Tomorrowsworld Welcometotheunit 清水河中学清水河中学Doyouthinkitwillcometruesometimeinthefuture?BrainstormWhatdoyouthinklifewillbelikein3000?PictureoneTherobotisservingd_forthemaster.Hecandoalotofthingsforh_,forexample,theycanhelppeopledoh_.theywillmakepeopleslivesmorec_.Whatsmore,rob
2、otscanhelppeopledoboringordangerousworksothatpeoplecanhavetimetor_.innerumanbeingsouseworkonvenientelaxPicturetwovWherearethepassengersgoing?vDoyoubelievethattravellingtotheMoonwouldbejustliketravellingtoanothercity?vIfyouhaveachance,wouldyouliketoflytotheMoonoranotherplanet?PicturethreeWhatarethepe
3、opleinthispicturedoing?Howoldistheman?Doyouthinkpeoplecanlivethatlonginthefuture?Whyorwhynot?BecauseofgeneticresearchBecauseofgeneticresearchPicturefour_and_are_todiscuss_betweenotherplanetsandtheEarth.Theyalsotalksaboutthe_issuesintheGalaxy.HumanbeingsthealienshavingameetingbusinessaffairspeaceDisc
4、ussion(pairwork)1.DoyouthinktheMooncouldbeatouristdestinationinthefuture?Why?2.Whatdevelopmentsinscienceandtechnologywouldyouliketoseehappeninthefuture?MoreinformationaboutrMoreinformationaboutrobotsobotsWhydoweneedrobotsWhydoweneedrobots?First,theyarehardworkingandreliable.Theycandodangerousworkorw
5、orkthatisveryboringortiringforhumans.Theycanworkaroundtheclockwithoutcomplainingandwithoutneedingrest,foodorvacations.Androbotscangoplacesthathumanscannot,suchasthesurfaceofMars,deepundertheoceanorinsidetheradioactivepartsofanuclearpowerplant.ThePartsofaRobot First,arobotmusthaveabodyofsomekind.Like
6、thescarecrowintheWizardofOz,arobotalsoneedsabrain.Forarobottobereallyuseful,itmusthavesomesortofintelligence.Justashumanshavesenseorganssuchaseyesandears,robotsneedsensors.Arobotmightalsoneedavoicetospeaktoitsowner.Manyrobotsneedsometypeofhand,usuallycalledamanipulatororgripper,todotheirjobs.1.Whatj
7、obsdoyouthinkrobotscoulddointhefuture?2.Doyouthinkrobotswillreplacehumanbeingsinthefuture?Whatthingsdoyouthinkrobotscantdo?Discussion(groupwork)HumancloningWaroftheworldFurtherdiscussion1.Wouldyouliketoseethesethingshappen?Whyorwhynot?2.Howtoprotecttheearthandhumanbeingswhenwedevelopscienceandtechnology?Homework1.Findmoreinformationaboutrobots.Youmaycheckthefollowingwebsite:http:/www.frc.ri.cmu.edu/hpm/project.archive/robot.papers/1999/sciam.scan.html2.DoReadingonpage1103.Previewpages42-43
