![Accordingtoa61.]( "Accordingtoa61.")
- 问题详情：Accordingtoa61.________(wide)acceptedtheory,theuniversebeganwitha“BigBang”62._________threwmatterinalldirections.Forseveralbillionyearsafterthe“BigBang”,theearthwasstilljustacloudofdust.Thenbetween4.5and3.8billionyearsago,thedust63.______...
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