同问 牛津英语9b课文翻译.doc

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1、同问牛津英语9b课文翻译2010-12-2613:18提问者：86865949

2、浏览次数：2728次我来帮他解答满意回答2010-12-2921:27Atthemoment,itmaybedifficulttoimagine,butmanypeoplebelievethat,bytheyear2100,wewillbelivingontheplanetMars.Ourownplanet,Earth,isbecomingmoreandmorecrowdedandpolluted.Hopefully,wecanstartagainandbuildabetterworldonMars.H

3、ereiswhatlifemightbelike.Firstofall,transportshouldbemuchbetter.Atpresent,ourspacecraftaretooslowtocarrylargenumbersofpeopletoMars----ittakesmonths.However,bytheyear2100,thejourneymighttakeonlyaveryshorttimeinspaceshuttlesthattravelsathalfthespeedoflight!Humansneedfood,waterandairtosurvive.Sci

4、entistsshouldbeabletodevelopplantsthatcangrowonMars.Theseplantswillproducethefood,waterandoxygenthatweneed.However,nobodyissureiftheseplantscanproduceenoughwater.GravitywillbeaproblemfortheearlysettlersonMars.ThegravityonMarsisonlyaboutthree-eighthsofthatonEarth.Thismaybedangerousbecausewecoul

5、deasilyjumptoohighandfloatawayintospace.Topreventthis,humansonMarshavetowearspecialbootstomakethemselvesheavier.Thesebootswillprobablybecomeveryfashionableandtherewillbemanydifferentdesignsforsettlerstochoosefrom.ComparedwithlifeonEarth,lifeonMarswillbebetterinmanyways.Peoplewillhavemorespace.

6、Wemayevenliveinadomewithtenbedrooms.ManypeoplebelievethatrobotswilldomostofourworkandthatwewillhavemoretimeforourhobbiestherewillprobablybenoschoolsonMarseverystudentwillhaveacomputerathomeconnectedtoaninterplanetarynetworktheycanstudydotheirhomeworkandtakeexamsatonlineschoolseachstudentwillai

7、sohavetheirownonlineteachercalledan'e-teacher'howeverinsomewayslifeonmarsmaynotbebetterthanlifeonearthtodayfoodwillnotbethesamemealswillprobablybeintheformofpillsandwillnotbeastastyastheyaretodayalsospacetravelwillmakemanypeoplefeelillthespaceshuttlestravelfastbutthejourneytomarsmaybeveryuncom

8、fortable