【正文】
short passage accordingly. ? Our universe is _______ up of ________, and the Milky Way is just _______ of them. Our solar system ________ of the star—the sun and plas such as the earth. There also e_______ satellites like the moon and ets as well. made galaxies one consists xist 1. Try to remember these new words about space and space exploration. 2. Read more about space exploration after class. Homework 。 3. 有關太空旅行的短文填空 。 2. 科學家展示的關于太空探險的圖