高中英语 Unit 3 Computers Warming upReading课前预习学案 新人教版必修2.doc

unit3 computers学习目标：1、 通过本单元的学习，使学生了解计算机的发展历程及其在当今社会的广泛应用。2、 鼓励学生用英语表达自己的观点并进行简单的理由阐述和作出决定。3、 教会学生按时间的先后顺序描述一件事。4、 使学生了解和掌握现在完成时的被动语态的用法。reading one注意下列词组在文中的应用： a calculating machine 计算机器 an analytical machine 分析机 a technological revolution 科技革命 artificial intelligence 人工智能 a universal machine 通用机器 the world wide web 万维网 语篇解读：i. fast reading: read the passage and find out the topic sentence of each paragraph.para1: _para2: _para3: _ ii. second reading. read the passage for the second time and finish the following exercises.task 1. choose the best answer to each question according to the text.1. look at the pictures and the title of the passage. predict what it is going to be about._a. the importance of computers. b. the applications of current computers c. the development of computers d. the future of computers.2. what can you infer from the text? _a. the computer has artificial intelligence b. the computer changes a lot over years c. the computer was not connected by a network until in the early 1960s d. now the computer can only be used to deal with informationtask 2. read the passage and finish the timeline below.1642: computers began as a _ machine in _.1822: the _ machine was made by charles babbage.1936: computers grew rapidly both in _ and in _.1940s: a computer grew as large as a _.1960s: the first _ of computers was connected to each other.1970s: computers were used in _ and in _.now：computers connect people all over the _.iii. analyze some important sentences and translate them.1. over time i have been changed quite a lot. over time my memory has developed so much that, like an elephant, i never forget anything i have been told! i have been put into robots and used to make mobile phones as well as help with medical operations.此三句中都包含了一个共同的时态是_,它的基本结构是_2. i developed very slowly and it took nearly two hundred years before i was built as an analytical machine by charles babbage. at that time it was considered a technological revolution and the start of my “artificial intelligence”.认为某人/某物_from then on, i grew rapidly both in size and in brainpower.but i was always so lonely standing there by myself, until in the early 1960s they gave me a family connected by a network.standing there by myself在句中作_ connected by a network在句中作_i was able to share my knowledge with others through the world wide web. anyhow, my goal is to provide humans with a life of high quality.10. i am now truly filled with happiness that i am a devoted friend and helper of the human race!iv. find out the following phrases in the passage and try to recite them.1.有共同之处_ 2. 把和相比_3. 经过一段时间_ 4. 从那时起_5. 随着时间的推移_ 6. 结果_7. 如此以至于 _ 8. 独自地，单独地_9. 与分享_ 10. 和，也_11. 为某人提供某物_ 12. 高质量的生活_13. 充满_reading one拓展提升学案read the whole passage and fill in the blanks.over time i have been changed quite a lot. i began as a(n ) _ machine in 1642 in france. then in 1822 i was built as a(n) _ machine. my real father, alan turing, built a(n) “_ machine” to solve any _ problem in 1936. since i was huge at that time, people thought i was _. as the years have _ by, i have been made smaller and smaller. there were times when my size was _ changed. i became smaller and thinner but i got cleverer and cleverer. in the early 1960s, i was given a family _ by a network. since i was brought into peoples homes, my family and i have been used to _ with information and communication each other around the world. i have _ been built to serve the human race since my birth.book2 unit3 computers导学案reading one课内探究学案答案i. :para1: over time i have changed quite a lot . para2: these changes only became possible as my memory improved. para3: since the 1970s many new applications have been found for me. ii. task1: 1. c 2. btask 2: calculating; france; analytical; size; brainpower; room; family; offices; homes; world iii. 1.现在完成时的被动语态；have/has been done consider+ sb./ sth. +as /(to be) +n./pron./adj. 伴随状语；后置定语iv. 1. have in common 2. compare with . 3. over time 4. from then on 5. as time goes by 6. as a result 7. sothat 8. by oneself 9. sharewith 10. as well as