最佳答案:He trained very hard in school, so became an outstanding astronaut
最佳答案:Add to acquire new energy.Expanding living space.Huge cost.Astronauts safety pro
最佳答案:1.astronaut2.artificial satellite3.milky way galaxy4.universe5.fixed star6.plane
最佳答案:shot拍电影:shoot a film 这里用的是被动:be shot (shoot 的过去分词:shot)let 让 let sb do sth 让某人做某
最佳答案:In memory of the great astronaut,it’s said that next year a film will be shot to
最佳答案:过去分词作状语,用在与逻辑主语成被动关系的时候,而此句中,Seen from the space ,the earth is a blue planet.ear
最佳答案:尤里·阿列克谢耶维奇·加加林(Yury Alekseyevich Gagarin)阿姆斯特朗 Lance Armstrong奥尔德林(Edwin B.Aldri