高一英语课文填空
Thebirthoftheearthisbeyondman’simagination.Aboutit,____________,thereisatheory―BigBang‖.Theuniverse,________BigBangsuggests,sprangintobeingafteragiantexplosion,______carbon,watervaporandothergaseswereproduced.After_______seemedunknownyearsoftime,water,sourceoflife,createdachainactiontomakeitpossibleforlifetodevelop.Smallplantsbegantoappearandmultiply,________theoceansandseaswithoxygen,whichhelpsthedevelopmentofshellfishandallsortsoffish.Theevolutionoflifegoesonandtheearthisfacingagreatchallengeintheend—alotofcarbondioxideandpollution.To_________ontheglobe,lifewillhavetostruggle.