初中英语教案【We-have-not-found-life-on-】

1、年级 八年级 科目 英语主备教师Module 3 Unit 2 We have not found 课题 life on any other planets yet.备课时间共L课时第一L课时教学目标.能够听说读写以下单词：none, environment, that, solar, system, group, universe, light, impossible, out, communicate.能够听懂关于太空探索的话题并提取信息。.能够简单介绍人类在太空探索领域取得的成就，能够根据图片简单的描述 图片中有关太空探索的内容。.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

2、。.能够根据图片去完成与主题相关的写作任务。教学重点教学重点：能够运用现在完成时描述人类已经实施的太空探索，正确使用 already, yet 和 just 等。教学难点教学难点：熟练掌握现在完成时态，了解一些关于太空的信息。在阅读之后, 能够用现在完成时对文章进行简单描述。课前 , 准备PP教学过程教学内容及师生活动教学过程：Stepl导入：.检查单词：none, environment, that, solar, system, group, universe, light, impossible, out, communicate.由动画视频神州5号入手，了解中国的第一颗载人宇宙飞船，再

3、 由图片引出其他的载人宇宙飞船及其发送时间和宇航员，从而激发学 生的兴趣，增强民族自豪感。. Scientists have sent the astronauts to the moons.弓I 出 问题：Have the astronauts been to the other planets? Is there life out there in space? 从而导入课文：We havent found life on other planets.Step2 1. Fast readingRead the passage and choose the best title for it

4、.Anyone out there?Life on EarthThe sun and other starsThe stars at night(设计意图：通过第一遍快速感知课文，让学生能够对文章有个粗略 的了解，从而抓住文章的中心。)2. Careful readinga) Read again and check (V) the true sentences.The Earth is a star.The Sun is a star.3)There is more than one galaxy.Our galaxy is part of the Milky Way.The light f

5、rom stars has taken a long way to reach us.Scientists have found life on other planets.Theyve received many messages from space.They zve visited most of the universe.Step 4知识点拨Scientists think that there has been life on the earth for hundreds of millions of years.科学家们认为地球上的生命已经有上亿年的历史。hundred前加基 数词

6、，表示“一百、二百、百，hundred要用单数形式；hundred与。f连用表示“数百”时,hundred要用复数形式，即hundreds。 hundreds of millions of 表示“数亿，上亿”。None of them has an environment like that of the earth.没有一颗拥有和地球一样的环境Why has no one communicated with us?为什么没有人和我们联系 呢？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。no one表示“没有人”，作主语时，谓语动词

7、常用单数形式。However, no spaceship has travelled far enough to reach other stars in our Galaxy.然而，还没有任何航天器能到达银河系里的其他恒星。enough作副词，修饰形容词或副词时放在被修饰词后面；enough作 形容词，修饰名词时常放在被修饰词之前。如：He is not old enough to join the army.他年龄太小，不能参军。We have enough time to finish the work.我们有充足的时间完成这项工作。With so many stars in the u

8、niverse, are we alone, or is there life out there in space?宇宙中有这么多星球，我们是孤独的吗？抑或太空中还有其他生 命存在呢？这里with so many stars in the universe是介词短语,在句中作状语。类似的例子还有：The woman stood there with her hands in the pockets.那个女士站在那 里，手插在口袋里。Step 5作业Write a passage to describe the picture. Use your answers to the questions in Activity 5 to he