《初二英语》ppt课件

1、What are they？Module 3Unit 2We havent found life on the other planets yet.GalaxyPlanetUniverseStarSolar systemPlanetSolar systemGalaxyUniverseStarFast reading:Put the words in the box in order from small to large从小到大陈列galaxy, planet, solar system, star, universe planetstar-solar systemgalaxyuniverse

2、 Read paragraph段落 1and paragraph2 ,then answer the questions 1,Have we found life on other planets? 2,There has been life on Earth for _ years. 3,The Earth is a _and it goes around the sun 4,what is called the solar system? 5,why people and things cannot grow in other plants?No, we haventMillions of

3、planetBecause none of them has an environment with air.The sun and its planetsRead paragraph 3and 4,and choose the correct answer.1.There are more than 200 billion stars in our _,called the _A, planet, galaxy B. galaxy , universe C, galaxy , Milky way 2,Many other galaxies in the universe are _.A. A

4、 long way away B. a short way away c. a heavy way awayRead paragraph 5and 6, then check the sentences 1,Scientists have found life on other planets2,They havent received many messages from space 3,They have visited most of the universe 1,The Earth is a star . 2,The Sun is a star. 3,There is more tha

5、n 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,Theyve received many messages from space. 8,Theyve visited most of the universe.Put the sentences into English.1 很难弄清楚宇宙究竟有多大 It is _ _ under

6、stand how _ _ _ _.2. 科学家以为地球上的生命已有数百万年 Scientists think that _ _ _ life on Earth for _ _ years.3. 来自星星上的光花了很长时间才到我们这儿来 The light from stars _ _ a long time _ _ us .4. 我们还没有在其他星球上发现生命 We _ _ life on other planets _.hardtolargetheuniverseisthere has beenmillions ofhas takentoreachhavent foundyet(Group

7、 work) Translation 1,我们在其他星球上没发现生命。我们在其他星球上没发现生命。 2，这些行星上没有空气的环境，所以人类，这些行星上没有空气的环境，所以人类和其他生物无法生存和其他生物无法生存 3，他们的光线要经过很多年才干到达地球。，他们的光线要经过很多年才干到达地球。 4，很难知道宇宙有多大，很难知道宇宙有多大We havent found life on other planets yet.None of them has an environment with air, so people and things cannot grow.Their light has travelled for many years to reach the Eart