WhatwillourlifebelikeonMarsinthefuture?Withtherapiddevelopmentofhi-tech,theMarswillchangealotinmanywaysinthefuture.We'llcompletelyliveinthecyberspace.First,wefindtheMarshaven'tbeenpolluted.Airandwaterbecomesmoretidyandfreshthanourearth.Second,ifwewant,wecanstudyinthesapceship.Andpeopledon'tneedtogotothefactorytowork,insteadofworkingbycomputerathome.Ontheotherhand,itisveryeasyforustovisittheEarthandotherstarsbyridingspaceship.Ihopeallthiscancometrue.Butfirst,wemusttreasureandprotectMarsandavoiditbecominganotherpollutedearth.Ifallofustryourbesttodoit,wewillenjoyourlife.