外研八年级英语下册M3 U2 课件.ppt

Module 3Journey to space unit 2 we haven’t found life on other planets yet By Miss Lin planet 行星 star 恒星 the solar system 太阳系 the Earth is a ______ and it goes around the Sun. There are _______ planets around the Sun. planet eight Mercury Venus Mars Jupiter Saturn Uranus Neptune universe Solar system Milky Way planets Mars Earth the Milky Way 银河系 There are more than 200 billion stars in the Milky Way. 在银河系中有超过2000亿颗恒星. billion 十亿 put the words in the box in order: small-large galaxy planet solar system 星系 行星 太阳系 star universe 恒星 宇宙 --universe 宇宙 planet 行星 ---star 恒星 ---solar system 太阳系 ---galaxy 星系 spacecraft 宇宙飞船 an astronaut 宇航员 Yang Liwei is the first China astronaut. Yang Liwei 2003-10-10. The Shenzhou 5 spacecraft new words planet 行星 light 光线；电灯 star 恒星 universe 宇宙 solar system 太阳系 alone 孤单的, billion 十亿 impossible 不可能 universe 宇宙 communicate 联系，交流 galaxy 星系 also 也，同样 none 没有一个 environment 环境 air 空气 grow (grew grown) 生长，种植 part 部分 Work in Pairs Task 1 Find all the sentences with the present perfect tense and try to translate them (找出所有含有现在完成时的句子并试着翻译它们) Task 2 Check the true sentences Check the true sentences: 1.The Earth is a star. ( ) 2.The Sun is a star. ( ) 3.There is more than one galaxy. ( ) 4.Our galaxy is part of the Milky Way. ( ) 5.The light from stars has taken a long time to reach us. ( ) 6.Scientists have found life on other planets. ( ) 7.They’ve received many messages from space. ( ) 8.They’ve visited most of the