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Unit9TheYear2050Lesson2LifeisChanginginthepast(usedto)atpresent(now)inthefuture(whatwillhappen…)Doyouknowwhatpeopleusedintheancienttime?Th

eyusedfiremadebywoodtol___up.ight照亮，点亮Whatdidpeopleusetolightup200yearsago?Theyusedoillamps.Whatdoyouuseto

lightupwhenyoudoyourlessonsintheevening?Weuselightstolightup.Inancienttime200yearsagonowLightsfireoillampsli

ghtsInthefuture????HousesInthepastNowInthefutureHousesmadeofw___andmud(泥）;nobathroomF___inhighrisebuilding

skitchensandbathrooms，well-equipped（装备良好）?latsoodInthepastNowInthefutureMeansoftransportsedanchair轿子Carriage马车Aeroplane飞机Ma

glev磁悬浮列车?spacecraft宇宙飞船timetravel时空穿梭WhatkindofRobotsarethey??EntertainmentRobots娱乐机器人Industrialrobots工业机器人householdrobots家用机器人Therobotwhichcanpla

ywithchildrenTherobotwhichcanplayfootball.Therobotwhichcanspeaktopeople.Whatisarobot?Arobotisamachinedesignedtodojo

bsthatareusuallyp______byhumans.Theycanworke_____withouttakingarest.erformedfficientlyFurtherpractise•What

ourlifewillbelikeinthefuture?Inthefuture,therewillber_____everywhere.Theycandod_________andboringjobsins

teadofhumanbeings.•Inthefuture,carswillrunonnew,cleanfuelsandtheywillgoveryfast.Carswillhavecomputerstocontrolthespeedandtherewon'tbeanya__

____.Anditwillonlytakepeopletwohourstotravelbys______aroundtheworld.obotsangerousccidentspacecraft•Con

sideringthecityistoocrowded,peoplecanliveinthecitiesunderthesea.Forscientistshavealreadycreatedag____thatmakeitpossibleforpeopletobreatheinthewa

ter.eneThankyou!