最新外研版初二下册module3 unit2课件

Module 3 Unit 2 We have not found life on any other planets yet. Review Read the words and expressions loudly. 单词回顾 学生早读时已预习过本单元单 词，可利用几分钟时间带学生 快速回顾温习。对单词的熟练 度越高，阅读的速率也越高。 none environment that solar pron. 没有一人；没有 一个；一点儿也 没有 n. 环境 pron. 那；那个（指代 已被提及的事物） adj. 太阳的；与太阳有 关的 Words and expressions system solar system group galaxy universe n. 系统；体系 星系；（尤指） 太阳系 n. 群；组 n. 星系 n. 宇宙 Words and expressions light impossible out communicate n. 光；光线；光亮 adj. （事情）办不 到的，不可能的 adv. 在远方 v. 联系；交流 Words and expressions Do you know the words and expressions in the box? Put them in order: small large. galaxy planet solar system star universe planet star solar system galaxy universe How much do you know about the solar system? How many planets are there in the solar system? Do you know how to say their names in English? 金 星 地 球 火 星 木 星 土星 水 星 天王星冥王星 海王星 Space 支配 在期间 遍及; 到处 覆盖在上 over 1. 在上空 A lamp hung over the table. 桌子上方悬吊着一盏灯。 2. 覆盖在上 We spread a carpet over the floor. 我们给地板铺上了地毯。 3. 遍及；到处 Ive travelled over most of Europe but my favourite place was Austria. 我游历了欧洲的大多数地方, 最喜欢的 地方是奥地利。 4. 在期间 My grandchildren will stay over Christmas. 我的孙儿孙女们圣诞节期间会呆在这里。 5. 控制；支配 He rules over a large kingdom. 他统治着一个疆域辽阔的王国。 6. 与有关 Hes having problems over his income tax. 他在所得税方面出了问题。 Complete the passage with the words and expression in the box. communicate environment none solar system universe 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 Spaceships from the earth have done surveys of the other planets, but they have not found any life there. Why has no one from other planets tried to (4)_ with us? It is true that scientists have not discovered life on other planets in the (5)_ yet, but some scientists believe that they will find it some day. communicate universe Theyve just heard a message from one of our spaceships. What have the scientists just received? (a message from one of our spaceships) Look at the picture from a acience story for children and answer the questions. 1. Where has the spaceship landed? (Mars) 2. What has the spaceship discovered? (people on Mars) 3. Why have the people on Mars not sent us a message? (do not know how to) 4. Why have the people on Mars not visited us on the earth? (do not know how to) Write a passage to describe the picture. Use your answers to the questions in Activity 5 to help you. We have just received a message from our spaceship to Mars Possible version: Weve just received a message from our spaceship to Mars. Our spaceship has discovered aliens there. They have never sent us a message because they dont know how to communicate with us. They have not visited the earth because they dont know how to fly to our planet, and they prefer life on Mars. They seem very happy on their planet. They have used parts from the other spaceships from the earth to make TVs, radios, etc. We hope they dont do the same with this one! hundreds of millions of go around none of them in the universe far enough communicate with in space 本课时主要短语 1. However, we have not found life on any other planets yet. 2. None of them has an environment like that of the earth. 3. Scientists have also discovered many other galaxies in the universe. 4. We do not know the answers yet. 本课时主要句型 Now 2 mins to test your spelling. 1. English-Chinese solar system galaxy universe environment group light out 2. Chinese-English 联系、交流 没有一个 （ 事情）办不到的，不可能的 When finished, exchange your papers to see who does the best. 注: word 文档 点击此处链接 Quiz . 用方框中的单词的正确形式完成下列 句子。 1. _ of the students has been to Australia. 2. A: How much is your new coat. B: It _ me 150 yuan. billion cost planet alone none None cost 3. A: Do you often go online, Zhao Hui? B: No. I like to go online when I am _ at home. 4. A: How many people are there in China now? B: It has reached 1.3 _. 5. The boy is only five years old, but he knows about many _. alone billion planets . 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. just never 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. ever already yet . 下列各句中均有一处错误，请指出并 改正。 1. My mother isnt in. She has been to the supermarket. _ 2. Football is so exciting that million of people in the worl