Module 3 Journey to space Unit 2 We have not found life on any other planets yet.第一课时导学案（含答案）

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Module3 Journey to space
Unit 2 We have not found life on any other planets yet.（1）
主备人：
课标解读：英语的课堂教学应该做到面对全体学生，关注语言学习者的不同特点和个体差异，充分考虑语言学习的渐进性和持续性。通过大量读写的文本素材，要培养学生有意识地在积累、感悟和运用中，提高英语的综合语言运用能力。
教材分析：本模块以人类探索火星的行为为背景引入现在完成时的用法，通过描述人类探素太空的历程强化现在完成时的表意功能。第二单元是介绍了太空的基本知识和人类探索太空所付出的努力。本单元的课文能够帮助学生充分的理解现在完成时的语境。
学情分析：八年级的学生对现在完成时态已经在前面有所涉及，本节课可在以前的基础上进行延伸，学生在课文中能够更好的体会现在完成时。本单元的话题和航空探索有关系，学生对此有着浓厚的兴趣，教师可在导入环节充分激发学生的学习兴趣。此外，学生已经有了一定的合作意识。可以通过小组合作竞争的形式，在一些题型上有所展现。
学习活动 教学指导与评价
学习目标 1根据音标正确的读出和写出本单元的单词和短语。2.根据设置的问题完成相应的题目，能够读懂以太空为主题的简单文章内容。（重 点）3.在文本中复习巩固现在完成时中的already，just和yet及have gone to 和have been to之间的区别用法。（重难点） 一．预习导学（5’）根据音标读单词，并写出单词和其汉语意思。1.[n?n]_______ ________ 2.[?n'va?r?nm?nt] _______ ________ 3.[??t] _______ ________ 4.[?s??l?] _______ ________ 5.[gru?p]_______ ________ 6. ['ju?n?v??s] _______ ________ 7.[la?t]_______ ________ 8. [?m?p?s?bl]_______ ________ 9.[a?t]_______ ________ 10. [k??mju?n?ke?t] _______ ________ 核心短语翻译。1. 太阳系___________ 2. 在太空中___________ 3. 数以亿计的 ___________ 4. 在宇宙中___________ 5. 遥远___________ 6. 没有一个___________ 7. 与某人交流___________ 8. 围绕……转___________ 二．学习活动情景导入（2’）：Show some pictures about astronauts,talk about “ who is your favorite astronaut?Fast reading（2’）Choose the best title for it. Anyone out there? Life on the earth The sun and other stars The stars at night Read the passage and match these titles with paragraphs. para1. A. There has been life on the earth. para2. B. About sending spaceships. para3. C. The Galaxy or Milky Way. para4. D. Scientists can’t answer some questions. para5. E. How large is the universe?Careful reading（20’）Read for the first part(P1) A:Have we found life on any other planets yet?B.How long has there been life on the earth? Read for the second part(P2-P3)Which is true? A: Seven planets go around the sun. B: there are only stars in the galaxy. C. The solar system is larger than the galaxy. D: the Environment(环境) of the earth is different from that other planet in the solar system.B: Put the words and expressions from the smallest to the largest :_____________ A. galaxy B. planet C. solar system D. star E. universe Read for the third part(P4)把下面的句子翻译成汉语。 Scientists have sent spaceships to the planet Mars to take photos. Read for the last part(P5)Scientists have always asked the questions: with ____ ______stars in the universe, are we _________, or is there life out there ___ _________? Have there been visitors to the earth from other planets? Why has no one _________________ _______us? We do not know the answers…yet.Post- reading（通读全文，完成下列题目）（11’） ask the students to read the words in the box in Activity 4.communicate environment none solar system universe 2. Ask the students to read through the passage in Activity 4.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. Spaceships from the earth have done surveys of the other planets, but they have not found ant 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.视频或点读笔跟读，学生跟读时注意语音语调。Make a summary（2’）小组讨论，本节课的所学，进行总结。三．当堂检测（3’）1．翻译句子 （1）地球是一颗行星，它围绕着太阳转动。
The Earth is a planet and it __________? _________ the Sun.
（2）我们还没有在其它行星上发现生命。
We have not found life _____? ____? ______ planets ________.
（3）科学家们已经在宇宙中发现了许多其他星系。
Scientists have discovered many other galaxies _________? ________?? _______.
（4）宇宙中有这么多的恒星，我们是孤独的吗？太空中还有其他生命吗？
________ so many stars ______ the universe, _______ _ _______?
_________, or? _______? _______ life out there ____? ______? 四．自我反思 育人目标：情感态度价值观 培养学生对天文知识的兴趣和对未知事物的探索精神 1.按照要求自主预习，认真完成预习问题。 2.组长统筹本组的预习情况，鼓励同学积极回答问题。 1.小组合作学习认真、活动热烈，针对问题展开积极讨论。 2.积极回答，积极展示。 3.教师注重多层次学生的学习，鼓励他们积极发言。 答案：A ACEBD 答案：1.A: No, we haven’t. / No, not yet. B: There has been life on the earth for hundreds of millions of years. 2.A: DB: BDCAE3.科学家已经发射了宇宙飞船到火星上拍摄照片。4.so many;alone;in space;communicated with 答案：1. solar system 2. none 3. environment 4. communicate 5. universe 巩固文章中出现的重点句子，熟悉句型 答案： Goes around;on any other;yet;in the universe;with;in;are we alone; is there ;in space



八 年级 英语 学科作业纸
编制人： 使用时间：
作业内容 作业指导与评价
1.用already, yet, have been to 或 have gone to填空，完成句子。 1. —Where’s Lucy? —She __________ a restaurant for lunch. She will be back in fifteen minutes. 2. —How many times ________________ you ________________ Disneyland? —Twice. I went there in 1995 and 2010. 3.—Have you watered the flowers? —Sorry, not ________________. 4. Look! This room is so clean because I have ________________ cleaned it. 5. —Can I go to Japan with you tomorrow, Dad? —But you have _____been there for many times. Give your brother a chance, too.6.She _________the teacher’s office. You can find her there.
7.I ______to Canada It’s so beautiful.
8. --Has Dave come _______??
–-Yes, she has _______been here for 10 minutes.翻译句子在你的帮助下，我非常容易的完成了工作。
2.很难想象银河系有多么大。（It’s impossible```） 通过做题巩固本节课的知 答案：has gone to 2. Have; been to 3.yet 4.just/already 5.already 6.. has gone to 7. have been to
8. yet,already. 1.With your help , I finished the work easily.
2.It’s impossible to imagine? how large is the Galaxy.









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