Module 3 Unit 2 We have not found life on any other planets yet.第四课时-外研版八年级英语下册课件(共15张PPT)

Module 3 Journey to space 外研版 八年级下册 Unit 2 We have not found life on any other planets yet. 第四课时 Earth moon news planet reach yet 地球 月亮，月球 新闻，消息 行星 到达；抵达 还，尚 model Mars spaceship discover astronaut space travel 模型 火星 航天器宇宙飞船 发现，找到 宇航员 航天旅行 go around the sun 绕太阳转 be called 被叫作… solar system 太阳系 have to 不得不 communicate with … 与…交流,与…联系 far enough 足够远 in the universe 在宇宙中 in space 在太空中 × × 3 Check(√) the true sentences. 1. The earth is a star. 2. The sun is a star. 3. There is more than one galaxy in the universe. 4. The light from the stars in other galaxies has travelled for a long time to reach us. 5. Scientists have received many messages from space. 6. Spaceships have visited most of the universe. √ √ × √ 4 Complete the passage with the words and expression in the box. Is there life on other planets? There are seven other planets in our (1) ____________, but (2)______ of them has a(n) (3)______________ like that of the earth. solar system none environment