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

madebywoodtol___up.ight照亮，点亮Whatdidpeopleusetolightup200yearsago?Theyusedoillamps.Whatdoyouusetolightup

whenyoudoyourlessonsintheevening?Weuselightstolightup.Inancienttime200yearsagonowLightsfireoillampsligh

tsInthefuture????HousesInthepastNowInthefutureHousesmadeofw___andmud(泥）;nobathroomF___inhighrisebuildingskitchensandba

throoms，well-equipped（装备良好）?latsoodInthepastNowInthefutureMeansoftransportsedanchair轿子Carriage马车Aeroplane飞机Maglev磁悬浮列车?spacecraft宇宙飞船time

travel时空穿梭WhatkindofRobotsarethey??EntertainmentRobots娱乐机器人Industrialrobots工业机器人householdrobots家用机器人Therobotwhichcanplayw

ithchildrenTherobotwhichcanplayfootball.Therobotwhichcanspeaktopeople.Whatisarobot?Arobotisamachined

esignedtodojobsthatareusuallyp______byhumans.Theycanworke_____withouttakingarest.erformedfficientlyFurtherpractise•Whatourlifewillbelikeint

hefuture?Inthefuture,therewillber_____everywhere.Theycandod_________andboringjobsinsteadofhumanbeings.•Inthefuture,carswillrunonnew,cleanfu

elsandtheywillgoveryfast.Carswillhavecomputerstocontrolthespeedandtherewon'tbeanya______.Anditwillonlytakepeopletwohourstotravelbys______aroundth

eworld.obotsangerousccidentspacecraft•Consideringthecityistoocrowded,peoplecanliveinthecitiesunderthesea.For

scientistshavealreadycreatedag____thatmakeitpossibleforpeopletobreatheinthewater.eneThankyou!