北师大版高中英语必修2《Unit4 Warm-up》课件

《北师大版高中英语必修2《Unit4 Warm-up》课件》由会员分享，可在线阅读，更多相关《北师大版高中英语必修2《Unit4 Warm-up》课件（24页珍藏版）》请在七七文库上搜索。

1、Unit 4,Cyberspace,Warm-up,Have you ever seen the following movies? What do you think about them? Talk more about the movies.,后天描绘的是以美国为代表的地球一天之内突然急剧降温，进入冰期的科幻故事。故事中，气候学家杰克霍尔(丹尼斯奎德饰演)在观察史前气候研究后指出，温室效应带来的全球暖化将会引发地球空前灾难。杰克博士曾警告政府官员采取预防行动，但警告显然已经太晚。杰克霍尔博士于是急告美国副总统宣布北纬30度以南全美民众尽速向赤道方向撤离，该线以北民众要尽量保暖。而就在此时

2、，霍尔博士得知儿子山姆(杰克吉伦荷饰)只身前往纽约去营救女友，于是决定冒险前往纽约，在冰天雪地中展开救援行动。,这时候灾难从纽约开始，曼哈顿摩天大楼遭到强烈旋风的袭击,大部摧毁。突然间，地铁隧道里涌出狂暴不止的汹涌洪水。大水吞噬了纽约，淹没了美国，欧洲也在洪水之下不复存在。此后，冰层和白雪覆盖了整个地球表面，冰期时代开始了。当镜头再次回到美国时，那些侥幸生还的美国人都逃往墨西哥，请求进入那里的难民营。影片末尾处美国总统不得不叹息承认道，他所奉行的气候政策是一次巨大的败笔。,Artificial Intelligence: A.I. is a 2001 science fiction film

3、co-produced, written, and directed by Steven Spielberg. It was the last project on which filmmaker Stanley Kubrick worked he died before the film started shooting, and Spielberg dedicated the film to him.,在机器人的发展过程中，赋予机器人以情感是最富有争议的，也是最后未能做到的事。通常机器人被视作为一个极其复杂的装置，人们认为他们不会具备感情。但是，现在有很多父母失去了自己的孩子，时代的需要就

4、使这种可能性大大增加了。终于，Cybertronics Manufacturing制作公司着手解决了这个问题，制造出了第一个名叫大卫的具有感情的机器人。但是，一系列意想不到的事件的发生，使得大卫的生活无法进行下去。大卫开始踏上了旅程，去寻找真正属于自己的地方。,从地球到月球是根据历史真人真事改编的作品，它借用了著名科幻小说家、法国人儒勒凡尔纳的纪实小说A Man on the Moon 站在月球上的人的内容和素材改编而成。它全景式地描写和反映了围绕二十世纪人类最重要的科学活动“登陆月球“所发生的种种事件，再现了这个人类历史上最伟大的探险壮举中的无数感人片断。,银河帝国的各星系居民饱受暴政之苦，

5、达度尼星球的居民起而反抗。莉雅公主潜入帝国基地，偷走了足以摧毁暴君的秘密武器-死星中心结构资料，不料公主被捕，但她以把数据输入机器人R2D2的计算机中。 机器人R2D2和3PO逃亡到一个遥远的星球，这个星球的年轻人卢克发现了R2D2中的求救信息，卢克找到在反抗帝国的战斗中仅存的绝地骑士奥比温，奥比温要求卢克和他一起去救公主，他们一行在梭罗的帮助下，营救出了公主，并一同对帝国进行了毁灭性的打击。 本片故事的意义在于把如此真实的一个科幻世界在70年代就展示给世界，这种展示改变了人们对80年代的看法，这主要反映在它在某种意义上改变了人们看问题的角度。,Words preview Warm-up,cy

6、berspace global global warming come true artificial,n. 网络空间 adj. 全球的,全世界的全球变暖实现 adj. 人造的,climate floodvirtual reality virus,n. 气候 n.洪水，水灾 vt. &vi. 淹没 adj. 虚拟的 n.真实，现实 n.病毒,Words preview Warm-up,Answers for reference (p7),1 making artificial humans 2 flooding in different countries 3 time travel 4 a

7、virus develops which we have no power to stop,2,Which word matches the following definition? n. a word that describes the place where messages, information, pictures, etc. are when they are sent from one computer to another,cyberspace,1 Well, thats a very interesting question. It is already possible

8、 to make artificial body parts, but it wont be possible for a very long time to make artificial humans that can think or feel in the same way as we do.,Tapescript,2 We know that the planets climate is changing. The Earths atmosphere is slowly getting warmer. There is a real danger that the sea level

9、 will go up and there will be flooding in different countries in the world. This is already happening in some parts of the world.,3 Well, it may sound surprising. Imagine the situation of two twins brother and sister. The sister goes into space and travels at the speed of light for ten years. When s

10、he comes back to Earth she is thirty years older than her twin brother!,4 Unfortunately, this is a very real danger for the planet. A new virus could develop that we have no power to stop. It is something we really should be worried about.,Discussion,Which of the predictions in the films A) have already come true? B) do you think will come true in your lifetime?,What other predictions do you know from science fiction books or films that have come true?,Homework,1. Preview the text of Lesson 1. 2. Review the words and expressions learned today.,Thank you!,