八年级英语下册 Module 3 Journey to space Unit 2 We have not found life on any other planets yet导学案（无答案）（新版）外研版（通用）

Module 3 Journey to spaceUnit 2 We have not found life on any other planets yet. 【学习目标】1. 知识目标：熟记重点词汇和短语，准确率达90%：none, environment, solar, system, group, galaxy, universe, light, impossible, out, communicate , hundreds of millions of , solar system, in the universe, far enough, in space, go around the sun, be called, have to, communicate with2. 能力目标：能阅读介绍宇宙奥秘的文章；能根据科学故事图片写文章。3. 情感目标：加强科技知识学习，了解宇宙奥秘。【重点及难点】整体把握文章，理清文章思路，并能根据科学故事图片写短文。【学习步骤】 ：课前预习【自主学习】I.根据汉语意思默写单词及短语，用红笔自批并改错，二次记忆。没有人，没有一个_ 环境_ 系统_ 银河系，星系_ 组，团体，群体_ 宇宙_ 不可能的_ 交流，联系_ 怀疑_ 太阳系_ II. 根据首字母提示补全单词。There is the earth, the sun, the moon and many other stars in the u_.We should try our best to protect our e_.We are a_ on the island, but we dont feel lonely.4. It was I for anyone to get in because no one knew the password.二、课堂学习过程 【合作探究】Step1. Do you know the words and expressions in the box? Put them in order: small large.galaxy planet solar system star universeStep2. Match the words with the pictures.A. galaxy B. planet C. solar system D. star E. universe Step3.Skimming(略读) to get general idea and choose the best title for it. 1. Anyone out there? 2. Life on Earth3. The sun and other stars 4. The stars at nightStep4. Fast reading. Read the passage and choose the best title for it. （）( ) 1. Anyone out there? ( ) 2. Life on earth( ) 3. The sun and the stars ( ) 4. The stars at nightStep5. Careful reading. Read again, check （）the true sentences.The earth is a star. ( )The sun is a star. ( )There is more than one galaxy in the universe. ( ) The light from the stars in other galaxies has travelled for a long time to reach us. ( )Scientists have received many messages from space. ( )Spaceships have visited most of the universe. ( )Step6. Complete the passage with the words and expression in the municate doubt environment none solar system universe Is there life on other planets? There are eight planets in our _, but _ of them has a(n) _like that of the earth. Spaceships from the earth have done surveys of other planets, but they have not found any life there. Why has no one from other planets tried to _ with us? It is true that scientists have not discovered life on other planets in the _ yet, but some scientists do not _ that they can find it some day. 【知识结构】（一）、hundred前加基数词，表示“一百、二百、三百”，hundred要用单数形式；hundred与of连用表示“数百”时，hundred要用复数形式，即hundreds of。例如：There are eight hundred students in our school.There are hundreds of people in the park thousand, million, billion和hundred的用法相同。（二）The woman stood there with her hands in the pockets. 那个女士站在那里，手插在口袋里【练一练】 Why do you always sleep _? Because Im afraid of the dark. A. by yourself B. with the door open C. with the window open D. with the light on （三）、 alone: 独自，单独一人（没有感情色彩)lonely :孤单的，孤独的（指情感上的孤独）例如：She went home alone.Sometimes, I feel lonely.【练一练】He lives _, but he never feels_.A. lonely; alone B. lonely; lonely C. alone; lonely D. alone; alone（四）、 Why has no one communicated with us? 为什么没有人和我们联系呢？ no one表示“没有人”，作主语时，谓语动词常用单数形式。如：We rang several times, but no one answered. 我们按了几次铃，但没有人来开门。 none 指三个或三个以上的人或物中“没有一个”，其后常接“of + 名词 / 代词”，后面动词单复数形式均可。None of us has / have been to Sanya. 我们都没去过三亚。【练一练】 Im hungry. Is there any bread in the fridge? _, but we have cakes. Would you like to have one? A. Some B. Much C. None D. Nothing【当堂检测】I. I. 在文中找出下列短语并记忆。1. 绕旋转_ 2. 在宇宙中_3. 把发送到_ 4. 拍照片_ 5. 足够远_ 6. 和某人联系_7. 被叫做_ 8. 数亿年 _ 翻译下列句子，并背熟。我们还没有在其他行星上发现生命。_它们中没有一个有像地球那样的环境。_它们离我们很遥远，它们的光必须要经过很多年才能到达地球。_那是难以想象的。_科学家们已经发射了航天器到火星去拍照。_但是没有一个航天器旅行到足以到达我们银河系其他恒星那么远的地方。_有其他行星到地球的来客吗？_