1、1Unit 2 We have not found life on any other planets yet课题:Module3 Unit 2 We have not found life on any other planets yet. (第一课时)一、 【自主学习】1.写出下列单词。(1)没有一个;_ (2)环境_ (3)那 ,那个 _(4)系统,体系_(5)组,群_(6)星系_(7)宇宙 _ (8) 光,光线_(9)不可能的_(10)在远方_(11)联系,交流_(12)太阳的_2.根据课文翻译下列词组和句子。(1)在地球上_(2)数百万的 _ (3)围绕.转 _(4).中没有一个 (
2、5)太阳系_(6) .中的一小部分_(7)一群_(8)数十亿的_(9)在宇宙中_(10)做某事是不可能的_(11)足够远_(12)与某人联系;与某人交流_(13)太阳和围绕它旋转的行星组成太阳系。_(14)科学家已经在宇宙中发现了很多其他星系。_(15)宇宙到底有多大?我们无从想象。_学习重点 能够识别文章的主题;能够读懂以太空为主题的简单文章并能识别细节,做出正误判断。学习难点 能够根据图片完成与主题相关的写作任务。学习过程(学案)二、 【合作探究】 1.Read the passage and choose the best title.(Activity2)2.Read the pass
3、age and check the true sentences.(Activity3)3.Read the passage and finish the following tasks.1)然而,我们仍然未在其他一些行星上发现生命。 (汉译英)_-2)How many planets go around the sun?A: 8 B: 9 C: 7 D: 623)The earth is a planet and it goes around the sun.句中 it 指代什么_4)None of the planet _(have) an environment like that of
4、 the earth.5)(判断)The solar system is the largest Galaxy in the universe. ( )6) (回答)Is it possible to imagine how large the universe is?_7) Scientists_ _ spaceships to the planet Mars to take photos. 8)No spaceship has travelled so far that they can reach other stars in the galaxy.(同义句)_9)Why has no
5、one communicated with us?(英译汉)_三、 【能力提升】Writing: Write a passage to describe the picture in Activity5.小组共同 合作完成 Activity 5.看图回答问题,再将问题整合写成一篇短文。开头如 Activity6 所示。_四、 【当堂检 测】I.补全句子。 1)无法想象宇宙到底有多大。It is _ _imagine how _ _ _ _.2)科学家认为地球上的生命已有数百万年。 Scientists think that _ _ _life on Earth for _ _ years.3)
6、 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 _.II 用 already, yet, just, ever 或 never 完成下列句子。1) I have _ done the heavy work and now I feel very tired. 2) Mary, have you read any books about Mars? No, I have _ read a word about it.3) Have you _ been to the Great Wall in China, Vicky? Of course, I have. 4) Dont worry. We have _ helped you sweep the classroom. 5) -Have you done your work _? -Sorry, but I will finish it in one hour.安全提示:上下楼梯要靠右行,不在楼道内大声喧哗。