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【我们在火星的未来生活英语作文】

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问题:【我们在火星的未来生活英语作文】

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网友采纳  AtthefirstsighttheplanetMarsdoesnotappearverywelcometoanykindoflife.Ithasverylittleoxygenandwater,thetemperatureatnightisbelow–50andwindsof100milesperhourcausesevereduststorms.However,thesurfaceoftheplanetseemstoshowthatwaterflowedacrossitsometimeinthepast,anditisbelievedthatthereisenoughiceatthepolestocovertheplanetwithwaterifitmelts,AlthoughthereisnolifeontheMarsnow,somescientiststhinkthattheremayhavebeensomeformoflifelongtimeago.Atthattime,theplanethadactivevolcanoes;theatmospherewasthickerandwarmer;andtherewaswater.Infact,insomewaystheMarsmayhavebeensimilartotheEarth,wherelifeexists.  SomepeoplebelievethattheMarscouldsupportlifeinthefutureiftherightconditionswereproduced.ThefirststepwouldbetowarmtheplanetusingcertaingaseswhichtraptheSun’sheatintheplanet’satmosphere.Withwarmth,waterandcarbondioxide,simpleplantscouldbegintogrow.TheseplantscouldslowlymaketheMarsmoresuitableforliving,Itisestimatedthatthewholeprocessmighttakebetween100,000and200,000years.Inthemeantime,peoplecouldbegintoliveontheplanetinspecialclosedenvironments.TheywouldprovidealotofusefulinformationaboutconditionsontheMarsandtheproblemsconnectedwithlivingthere.
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