#2016年大学英语四级作文范文之议论文精讲(8) 搜索结果
Asthemostcuriousbeingintheworld,manisalwayskeenonexploration.Withtheearthhavingbeenfullyexplored,thenextlogicaltargetformanisdefinitelythespace.Severalcountriesnowareengagedinthespaceexploration,whichisfun
