Unit 4 Lesson 3 阅读参考学案

Unit 4 Lesson3 阅读参考学案Learning targets (学习目标)1. Find out main ideas of the text and summarize them;2. Pronounce the new words correctly and understand their meaning in context;Key point to learn (学习重点)1. Using time linkers, especially adverbs and conjunctions2Difficult task to complete (学习难点)How to improve students reading and speaking abilities. 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 spending 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 FTask 4. Test in class 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 used to _ his mother _ her gardening.III. 根据括号内的提示，将下列句子翻译成英语。1. The chairman thought _necessary to invite professor Smith to speak at the meeting.A. that B. it C. this D. him2. The scientists are doing everything they can _the dying panda.A. to save B. save C. saving D. to be save3. Im planning to hold a party in the open air, but I can make no guarantees because it _the weather.A. as result of B. depends on C. connects to D. decides on 4. I _2,500 Yuan _ buying the gold necklace.A. spent; in B. cost; on C. buy; for D. paid; inKey:I. 1. historical2. Dip 3. non-smokers