必修2 Unit3 Computers 导学案 Group （ ） Glass（） Name（ ）高一英语必修2 Unit 3 Computers导学案(教师版)学生用时：6 periods 编制日期： 2015年12月10日 编制教师：汪锦丹 审核年级： 高一英语组Teaching aims and demands of Unit 3话题1、Information technology2、History and basic knowledge of computers3、Robots交际功能1、Making decisions（作出决定）Im determined to I have decided that/to.Lets make a decision. Lets decide2、Reasoning（说明理由）I think/believe that. The advantage/disadvantage is Give me your reasons. I agree/disagree, becauseFirstsecond I think because(of) What makes you think so?语言知识目标重点词汇artificial, technology, application, reality, logically, calculate, universal, simplify, signal, arise, anyhow, explore, intelligence, solve, goal, personally, web, totally, electronic 词组in common, go by, fromon, as a result, with the help of, deal with, watch over, sothat, in a way, human race, share sth with sb, after all， make up, be crazy about句型Over time my memory has developed so much that, like an elephant, I never forget anything I have been told!语法现在完成时的被动语态（The Present Perfect Passive Voice）I (Computers) have been used in offices and homes since the 1970s.I (Computers) have also been put into robots and used to make mobile phones as well as help with medical operations. (预习案) warming up and reading教师备课区Step 1 Discussiom What can you do with a computer and Internet? listen to music; _;_; _; go shopping onlineThey make our lives more colorful and more convenient.Step 2 Skimming1. What is the main idea of the passage? This passage is about-_Step 3 ScanningCan you put these inventions in an order according to the time when they appeared?( ) Analytical machine（分析机）( ) Laptop （手提电脑）( ) Calculating machine （计算机器）( ) Robotandroid (机器人)( ) PC （个人电脑）( ) Universal machine（通用机器）Step4 Detail-readingRead the passage again. Find the topic sentence of eachparagraph and the supporting details. Paragraph 1: Over time I have been changed quite a lot. Details:_ Paragraph 2: These changes only became possible as my memory improved.Details:_Paragraph 3: Since the 1970s many new applications have been found for me._Step5 Post- reading After reading the passage finish the timetable1642:_1822: The analytical machine was made by Charles Babbage._ 1940: _: The first family of computers was connected to each other. 1970s: _ Now: _Step 6 Find out these useful phrases from Warming up, Pre- reading and Reading and translate them into Chinese.1. have sth in common _2. compare A with B_compare A to B _3. according to_4. work out_5. put in an order _6. sound simple_ 7. begin as_8. calculating machine_9. at that time_10. technological revolution _11. solve problems_12. artificial intelligence_ 13. go by_14. stand there by oneself_15. as a result_16. connect A with B_17. share information with sb_18. as well as_19. provide sb with sth_20. be filled with_21. a life of high quality_22. a devoted friend_（ 探究案）words and expressions .Language learningKEY WORDS AND PHRASES1 solve vt. 解决 ，解答 solution n. 方法 问题的解决方法 _eg: I think I can solve the difficulti