人教版高中英语必修二学案全套Unit 3 Computers学案教师版精修版.docx

1、人教版高中英语必修二学案全套Unit 3 Computers学案教师版精修版人教版英语精品资料（精修版）Unit 3 Computers学案（教师版） 单 元 学 习 目 标 导 航类别新课标要求掌握的项目话题1. Information technology2. History and basic knowledge of computers3. Robots语言 知 识 目 标重点词汇calculate, calculator, PC, notebook, common, analytical, simple, simple-minded, technology, technologica

2、l, revolution, universal, mathematical, artificial, intelligence, anyway, totally, network, truly, race, birth, IT, advantage, disadvantage, type, disagree, choice, material, personally, create, coach, move, arise, brain, mop, wander词组in common, in ones opinion, go by, sothat, deal with, human race,

3、 in a way, make up, after all, with the help of, watch over句型1. However, people thought I was simple-minded until they discovered I had “artificial intelligence.”2. And my memory became so large that I couldnt believe it.语法现在完成时的被动语态(The Present Perfect Passive Voice)I have been made smaller and sma

4、ller.I have been used by millions of people.I have truly been built to help the human race.功能1. Making decisions(做出决定)I think that In my opinion I believe that I agree because Ive decided that Lets make our decision2. Reasoning(推理)Whats your reason? Why do you think so? I think this one is better be

5、cause情感文化目标1.通过了解电脑的发展简史及现状和应用，能建立并加强用电脑学习的愿望和兴趣，树立了解和参与制造机器人的初步渴求。2树立利用因特网进行合作交往的意识。The Three Laws of Robotics 1.A robot may not injure a human being or, through inaction, allow a human being to come to harm. 2.A robot must obey the orders given to it by human beings, except where such orders would

6、 conflict with the First Law. 3.A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws. 机器人三原则1.机器人绝不能伤害任何人或因怠工而造成对人的伤害。 2.在不违反第一条的情况下,不得违抗人的命令。 3.在不违反一二条定律的情况下,可以进行自卫。学习目标（一）掌握本单元的重点单词和短语。（二）了解计算机和机器人的历史和基本知识。（三）语法：现在完成时的被动语态。（四）学会做决定和推理的基本

7、语言。学习策略通过自主探究，小组合作，巩固词汇，增强阅读能力，了解计算机、机器人等现代科技。预习案一.写出下列词汇：1.算盘abacus 2.简化simplify3.合逻辑的logical 4.人造的artificial5.私人的personal 6.应用application 7.计算calculate 8.探索explore 9.技术technology 10.智力intelligence 11.总的tolal12.电子的electronic 二.找出以下短语：1)和有共同点have sth in common 2)把和比较comparewith3)根据according to 4)计算出

8、，解决work out (figure out)5)把按顺序排列put in an order 6)听起来简单sound simple 7)作为的开始 begin as 8)在那时at that time9)解决问题solve problems 10)随着时间的推移as time goes by11)结果as a result 12)与连接connected by13) 和分享share sth with sb 14) 和，而且 as well as15)提供给某人某物provide sb with sth 16) 充满 be filled with17) 一种高质量的生活a life of

9、high quality 18)一个忠诚的朋友a devoted friend19）从起fromon 20）在的帮助下with the help of 21）处理，对付deal with 22) 看守，监视watch over 三.翻译句子1. I begin as a calculating machine in France in 1642.1642年我在法国诞生时是一台计算器。2. I developed very slowly and it took nearly two hundred years before I was built as analytical machine by

10、 Charles Babbage.我发育缓慢，差不多到了两百年之后，查尔斯巴比奇才把我制成了一台分析机。3. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told.随着时间的推移，我的记忆能力发展得如此之快，就像一头大象一样，从来不会忘记告诉我的任何事情！4. And my memory became so large that even I couldnt believe it.我的储存量变得如此巨大，连我自己都不能相信！5.I wa

11、s able to share my knowledge with others through the World Wide Web.我能够通过万维网和其他人分享我的知识。6. Anyhow, my goal is to provide humans with a life of high quality.不管怎样，我的目标是给人类提供高质量的生活。探究案学习目标：掌握本单元重点单词、短语和句型。一、重点单词1. calculate （v.） 计算，核算，推测，估计1) It is impossible to calculate what influence he had on her li

12、fe要计算出他对她的影响那是不可能的。2) 我们还没有确切地计算出度假要花多少钱。We havent calculated how much we will spend on the holiday.常用词组：calculate on= depend on 指望calculator (n.)计算器 calculation (n.)计算calculating (adj.)斤斤计较个人得失的，自私的2. personally （adv.） 就个人而论1) 就我个人来说，我是反对他的建议的。 Personally, I was against his suggestion.2)她不喜欢这个计划，但我

13、本人觉得还可以接受。Although she doesnt like the plan, personally, I think it acceptable.3. totally（adv.）= completely 完全地，全部地，整个地1) 那个镇子在地震中完全被毁了。The town was totally destroyed in the earthquake.2) 他们来自完全不同的文化。They are from the totally different cultures.total（adj.）全部的 in total 总计The repairs came to over 500

14、yuan in total. 修理费总共500元。4. signal （n.）信号，暗号（v.）发信号，打暗号1)红灯常被用作危险的信号。Red light is used as the warning signal.2)小偷用信号警告同伴警察来了。The thief signaled to his fellows that the police were coming.5. Anyhow, my goal is to provide humans with a life of high quality.anyhow=anyway 无论如何, 反正，即使如此1）反正，这辆二手车是值得买的。An

15、yhow, this old car is worth buying.2）Its possible that Im not fit to be a teacher just as you say, but _,Ill have a try.A. somehow B. anyway C. therefore D. otherwise二、重点短语1. in common 共同的(地), 共有的(地) 常与have连用have nothing in common 无共同之处have little in common 几乎无共同之处have something in common 有一些共同之处hav

16、e a lot in common 有许多共同之处1) You know, Mary, you and I have one thing in common.你知道，玛丽，你和我有一个共同之处。2) 我突然感觉到我们有很多共同点。I suddenly feel that we have a lot in common.2. as a result 结果；终于；因此1)结果，他只得放弃。As a result, he had to give up.2) My friend Martin was very sick with a strange fever; _, he could neither

17、 eat nor sleep.A. as a result B. after all C. any way D. otherwise3. compare with 翻译：1) Compare this one with that one.把这个和那个作比较。2) We often compare children to the nations flowers. 我们常常把孩子比作祖国的花朵。【归纳用法】compare A with B 把A与B比较compare A to B 把A比作B注意：当compare的过去分词短语作状语时，与with或to搭配都表示“与相比”e.g ：Compared

18、 with (to) many of your classmates（与其他许多同学相比较）, you are very lucky.4. make up 编造，补足，化妆，组成理解：指出各句中划线部分的意思。(1)Five doctors and ten nurses made up the medical team.组成(2)The student made up an excuse for his being late.编造一个借口(3)The girl makes herself up in the morning. 化妆(4) He soon made up for the less

19、ons he had missed.补足注意：作“组成”时,常用被动结构be made up of (由组成)Five doctors and ten nurses made up the medial team. =The medial team was made up of five doctors and ten nurses.5. deal with 处理，对付，涉及1)我不知道如何来对付这些淘气的男孩。I dont know how to deal with these naughty boys.2)你应该认真地处理这个问题。You should deal with the prob

20、lem attentively.注意：deal with与do with在表示“处理”这一意思时，deal with与how连用，而do with与what连用。3) Last summer he taught us _poisonous(有毒的) gas.A. how did we deal with B. what did we deal withC. how we dealt with D. what we dealt with6. watch over看守，监视，保护，留神，照管，照料1)我度假时你能帮我照料我的狗吗？Could you watch over my dog while

21、I am on holiday?2)请你去游泳吧，我来照管这些衣服。Go swimming please, and Ill watch over the clothes.联想: watch out (for) = look out (for) 警惕、密切注意7. In 1963 my real father, Alan Turing, wrote a book about how I could be made to work as a “universal machine” to solve any difficult mathematical problem.注意： 主动形式make sb

22、. do sth.被动形式sb. be made to do sth.1) My parents have always made me feel good about myself.(feel/to feel)2)The black workers were made to do the heavy work in those days. (do/to do)8.I was able to share my knowledge with others through the World Wide Web.share sth. with sb. 和某人分享、分担某事1) Its always

23、better to _your worries and problems.A. enjoy B. share C. like D. appreciate2）如果你能让我搭车(give me a lift)，我将和你分担费用。Ill share the fees with you if you can give me a lift.9in a way 在某种程度上；从某一角度看(相当于in one/some way)。In a way, our programmer is like our coach.从某种程度上看，我们的程序员就像是我们的教练。(P23)归纳拓展(1) in a way在某种

24、程度上 (2) in the way挡住去路；碍事、妨碍(3) on ones way to在去的路上 (4) on the way在途中(5) in the way顺便说(问) (6) by way of通过、经由。(7) in this way通过这种办法 (8) in no way决不(9) any way无论如何,不管怎样 练一练用way的相关短语填空。1 Perhaps he should have said nothing，but any way it was his duty.2 Im sorry but your leg is in the way.3 I got caught

25、 in the heavy rain on my way home home.三、重点句型1. I developed very slowly and it took nearly two hundred years before I was built as analytical machine by Charles Babbage.“ It took/was +一段时间+ before从句” 意为 “过后才”1）过了五小时我们才到达村庄。It was 5 hours before we reached the village.2）The research will take Joan an

26、d Jack about five months, it will be a long time _we meet them again. A. after B. before C. since D. when 2. Over time my memory has developed so much that, like an elephant,I never forget anything I have been told.And my memory became so large that even I couldnt believe it.句型：so that“如此以致于”引导结果状语从

27、句(1) so + adj/adv+that从句(2) so + adj+ a/an+单数名词+that从句(3) so + many/much/few/little+名词+that从句拓展：such that“如此以致于”也可以引导结果状语从句(1)such +a/an+ adj+单数可数名词+that从句(2) such + adj+复数可数名词+that从句(3) such +不复数名词+that从句考例1 The weather was _ cold that I didnt like to leave my room. A. really B. such C. too D. so考例

28、2 I havent seen Ann for _ long that Ive forgotten what she looks like. A. such B. very C. so D. too考例3 She is_ a lovely girl that we all like her.A. such B. very C. so D. too考例4 She was in _ a hurry that she forgot the ticket.A. such B. very C. so D. too注意：与 tooto 句型的相互转换He is too old to carry the b

29、ox.=He is so old that he cant carry the box.=He is such an old man that he cant carry the box.四语法：现在完成时的被动语态（一）概念【观察与思考】1.Our classroom has been cleaned，so you neednt clean it now.2.The letters have not been typed by now.3.Have the clothes been washed?（二）现在完成时被动语态的构成 现在完成时被动语态的肯定式和否定式的构成have(has) be

30、en done（三）现在完成时的被动语态的用法1表示被动的动作发生在说话之前（即现在的过去），强调对现在造成的影响和结果。如：The door has been locked门被锁上了。（结果是现在没有人能进去）2在过去发生的一直延续到现在的并可能持续下去的被动动作或状态。常与for或since引导的时间状语连用，或用于“How long.？”句型中。这台机器已经使用了三年了。The machine has been used for 3 years.这部车修了多长时间了？How long has the car been repaired?（四）使用现在完成时的被动语态需要注意的问题1现在完成时的被动语态有两个助动词，即have(has)和been，两者缺一不可。He has repaired the computer. Have they painted the door?The computer has been repaired by him. Have the door been painted?2注意与一般过去时被动语态的区别。(1)一般过去时的被动语态表示一个被动的动作发生在过去某个时候，其结果对现在没有影响；(2)而现在完成时被动语态的动作或状态尽管发生在过去，但侧重说明该动作或状态对现在造成的影响和结果。例如：The house was built last