Unit 4 Our Earth looks like this in space.Spring is coming.Where are we going to do?春天到了，我们将做些什么呢？We are going to have a picnicgo to the zoogo to the Underwater World go to the Window of the Worldspace spes 太空Lets go to the Space Museum.What can we know in it?让我们去太空博物馆吧！我们能在里面了解什么呢？The Space Museum太空博物馆 spes 太空 mjuzm 博物馆starsst星星the moon mun月亮the sun sn太阳the earth 地球riverrv河流landlnd陆地stars 星星the moon 月亮the sun 太阳the earth 地球land and river陆地和河流the Space Museum太空博物馆
