相關Imagineyouareanastro的文學知識

問題詳情：    Imagineyouareanastronaut,youfindanewplanetthatlooksliketheearth,andwhenyouwanttoputtheflagonit,youfindoutthatthisplanethasalreadygotpopulation.Whatwouldyoudo?    TheUSastronaut,Cha...