Cyberspace-Lesson 3 Virtual Reality阅读及语言点讲解导学案

Cyberspace-Lesson 3 Virtual Reality阅读及语言点讲解导学案北师大版 必修二 Unit 4. Preparations before class (课前准备)Task 1. Have a try (牛刀小试) 请完成同步作业Page 11 Exercise I-词汇填空Task 2: Have a competition (赛一赛) What is virtual reality?The use of computers with sounds and pictures that make you feel as if you are in a real situation. Task 3: Cultural background (文化背景) 什么是虚拟现实技术呢？简单地说, 就是人们利用计算机生成一个逼真的三维虚拟环境, 通过自然技能使用传感设备与之相互作用的新技术。它与传统的模拟技术完全不同, 是将模拟环境、视景系统和仿真系统合三为一, 并利用头盔显示器、图形眼镜、数据服、立体声耳机、数据手套及脚踏板等传感装置, 把操作者与计算机生成的三维虚拟环境连结在一起。操作者通过传感器装置与虚 拟环境交互作用, 可获得视觉、听觉、触觉等多种感知, 并按照自己的意愿去改变“不随心”的虚拟环境。比如, 计算机虚拟的环境是一座楼房, 内有各种设备、物品，操作者会如同身临其境一样, 可以通过各种传感装置在屋内行走查 看、开门关门、搬动物品; 对房屋设计上的不满意之处, 还可随意改动。. Activities in Class (课堂活动)Task 1.Rewarding time (比一比)Task 2.Understand the text (课文理解) 1. Whats the main idea of the text?A. The weekend life of Cathy and Tom.B. The life that students hope for living in the futureC. The imagination of virtual realitys holiday and study situationD. Imagination of how to live in the future2. Which of the following is true? A. In the virtual reality holiday, we wouldnt experience something directly.B. Tome will go camping with his families this weekend.C. Tom will send the website address to Cathy when he gets to school.D. Its not hard for us to imagine the virtual reality studying situation.3. From the text, we can infer that_ . A. Cathy has lots of work to do this weekend.B. In the future, we will not have to go to our destinations in the flesh at all.C. We will not only be able to travel around the world, but go to study in world famous universities we wanted to.D. Cathy dislikes to spend a long time traveling on planes during holiday.4. According to the text, which of the following is not right? A. Its a doubt that whether Tom will go camping this weekend.B. Its likely that we will go anywhere we like using modern technology in virtual reality.C. Tom will help Cathy with her project in any case.D. We neednt pack a suitcase during virtual reality holidays.5. Where can we find the text? A. technical report B. science and imagination fiction C. amusement book D. students diaryC A D C BTask 3.Read and judge (读一读、断一断) True or False 1. This weekend Tom will help Cathy finish a project on the history of the Internet. 2. Cathy is more interested in virtual holiday than Tom.3. Tom will have a virtual reality holidays this weekend.4. Virtual university is an interesting game on line instead of a real university. 5. Virtual reality holidays spend less time than real holidays.6. You neednt go to the real place in virtual reality holidays but you can get real feeling of traveling there.7. The Science Museum on line doesnt exist in fact, just imagine it.F T F F T T F Task 4.Imagine, recite and practice in class (想一想、背一背、练一练)1. 这个周末你准备做什么_. (Page 12). 你看上去很担心的样子, 怎么了?You look worried, what have you been up to?. 弟弟整个上午把自己关在房间, 他在干什么?My brother locked himself in his room for a whole morning. What is he up to? 2那要看天气情况而定。_. (Line7). If our parents do everything for us children, we wont learn to depend on_. A. themselves B. them C.us D. ourselves (2010上海卷27).解析：主语为we，因此应为ourselves. depend on oneself:自力更生。根据句意，选D. Villagers here depend on the fishing industry._ there wont be much work. A. where B. that C. by which D. without which (2008上海春招) . -How long will you be staying? -I dont know. _. A. Thats OK. B. Never mind. C. It depends. D. It doesnt matter. You may depend_ it wont happen again. A. that B. on that C. on it that D. on it. Dogs wag their tails in different directions_ whether they are excited and wanting to move forward or threatened and thinking of moving back. A. judging from B. providing that C. depending on D. according to 3而且，我们也不必花长时间乘坐飞机去往假日目的地_（Line20）. Ill spend half of my holiday practicing English and _ half learning drawing.A. another B. the other C. others D. other (2010年10全国)23题 答案：B句意：我将会用假期一半的时间练习英语，另外一般时间练习画画。解答：此题考察another, the other, other, others的形容词用法区别。other一般不单独使用，其前经常有冠词或其他形容词，如B选项的the other，one.the other.，用于一个整体的两部分“一个另一个”，题干中将假期分成两部分，一部分用来学英语，一部分用来画画，符合题意。another用作形容词时表示“又，再”，others没有此种用法。. -Do you have any idea what Paul does all day?-As I know, he spends at least as much time playing as he _.（2007 重庆卷）A. writesB. does writingC. is writing D. does write. -Madam, your clothes are ready now. -Thanks. And how much shall I_ for them? A. cost B. take C. spend D. pay. It was_ the old clock that the old man spent the whole morning at home.A. repairing B. repaired C. to repair D. in repair. It was a(n)_ when Pat and Mike met each other in Macao. Each thought that the other was still in Hong Kong. A. fancy B. incident C. coincidence D. destination. He came home after midnight, and_, he was drunk, _ made his parents very angry. A. what is more B. on the other hand C. in my opinion D. in another word. When did you_ last night? A. reach B. get to C. arrive D. arrive in . Im sorry I cant go to the film with you because have a lot things to_. A. take to B. get to C. see to D. keep to. Beginners of English can_ quite well without learning any grammar rules.A. get along B. get to know C. get over D. get through4. 凯西，你的意思是说我们将利用电脑周游世界，在几秒内进出各国，并参观所有的历史古迹吗？_ (Line 24). The_ moment when the Berlin Wall came down is the theme of this_ movie. A. historical; historic B. historic; historical C. historical; history D. history; historical. In_ Chinese culture, marriage decisions were often made by parents for their children. A. historic B. traditional C. remote D. initial 5我们不但能游遍世界，而且可以去任何我们想去的著名大学学习。_(Line 34). Not only_ some money to help the Western China to build some schools, but also_ to send some teachers there. A. can we offer; we can B. can we offer; can we C. we can offer; we can D. we can offer; can we . Not only_ give people relaxation and pleasure, but_ increase their knowledge of any kind. A. can travel; it can B. travel can; can it C. can travel; can it D. travel can; it can . - Putting on a happy face not only helps us make friends but also makes us feel better.- _. （09天津）A. Id love to B. Im with you on that C. Its up to you D. Its my pleasure. （09海南）8. The computer was used in teaching. As a result, not only_ , but students became more interested in the lessons.A. saved was teachers energy B. was teachers energy savedC. teachers energy was saved D. was saved teachers energy【答案】B。 句意为：计算机应用于教学。结果，不仅教师节省能量，而且学生对课程更感兴趣。考查“not only.but also.”， 放在句首作状语，句子则进行部分倒装。前一部分倒装，后一部分不倒装。Task 5. Test in class (当堂测试)I. 根据下列句子及所给单词的首字母或汉语提示，写出各单词的正确形式。1. There is a good h_ film at the cinema about Julius Caesar.2. D_ your hand in to see how hot the water is.3. Although the main risk of smoking is to the smokers themselves, n_ who live with a smoker have a higher chance of getting diseases.4. After walking for almost 3 hours, they at last reached their d_.5. He worked hard all his life and finally became a(n) _ (百万富翁). 6. I _ (建议) going for a walk.7. When I got there, they were _ (收拾) their luggage in the room.8. After the film, the audience _ (退场) from the side doors.II. 请选用所给短语的适当形式填空。depend on, in the flesh, help sb. with sth., be excited about1. Ive got all her albums, but Ive never seen her _.2. How the machine works _ how you do it.3. I _ working with John. He is a good partner.4. In those days he use