高中英语必修二unit3+Computers+教案1

1、Unit 3 Computers 教学设计单元学习目标导航类别新课标要求掌握的项目话1. Information technologyy-2. History and basic knowledge of computers3. Robots重calculate, calculator, PC, notebook, common, analytical, simple,占八、simple-minded, technology, technological, revolution, universal,词mathematical, artificial, intelligence, anyway

2、, totally, network, truly,语汇race, birth, IT, advantage, disadvantage, type, disagree, choice, materi口personally, create, coach, move, arise, brain, mop, wander知词in common, in one s opinion, go by, sothat ，deal with,识组in a way, make up, after all, with the help of, watch over目句1. However, people thou

3、ght I was simple-minded until they discovered标had artificial intelligence.”型2. And my memory became so large that I couldn t believe it.语现在元成时的被动语态（The Present Perfect Passive oVce）I have been made smaller and smaller.I have been used by millions of people.法I have truly been built to help the human

4、race.功Making decisions（做出决定）I think that In my opinion I believe that I agree because I ve decided thatLet s make our decisiorReasoning（推理）What s your reason? Why do you think so?能I think this one is better becausehuman race,I英语学习讲义只要坚持梦想终会实现 情感文化目标.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

5、初步渴求。.树立利用因特网进行合作交往的意识。The Three Laws of Robotics.A robot may not injure a human being or, through inaction, allow a human being to come to harm.A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law.A robot must protect its own existence

6、 as long as such protection does not conflict with the First or Second Laws.机器人三原则.机器人绝不能伤害任何人或因怠工而造成对人的伤害。.在不违反第一条的情况下，不得违抗人的命令。.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 abacus2.简化 si

7、mplify 3.合逻辑的 logical 4.人造的 artficial5.私人的 personal 6应用 application 7.计算 calculate8.探索 explore9.技术 technology 10智力 intelligence 11.总的 tolal12.电子的 electronic.找出以下短语:1）和有共同点 have sth in common 2）把和一 比较 compare with 一in an order6）听走已来简单 sound simple8）在那时 at that time10）随着时间的推移 as time goes by12）与 连接 co

8、nnected by14）和，而且 as well as3）根据 according to5）把按顺序排列put.7）作为的开始begin as9）解决问题 solve problems11）结果 as a result13） 和 分享 share sth with sb4）计算出，解决work out （figure out）15）提供给某人某物 provide sb with sth 16）充满 be filled with 17） 一种高质量的生活 a life of high quality18）一个忠诚的朋友 a devoted friend19）从起 from on20）在的帮助下

9、 with the help of21）处理，对付 deal with 22）看守，监视 watch over三.翻译句子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。I developed very slowly and it took nearly two hundred years_before I was built as analytical machine by Charles Babbage.我发育缓慢.差不多到了两百年之后.查尔斯巴比奇才杷我制成了一台分析机。Over time my

10、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！And my memory became_so large_thaeven I couldn t believe it.我的储存量变得如此巨大，连我自己都不能相信！was able to share my knowledge with others through the World Wide Web.我能够通过万维网和

11、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calculate (v.)计算，核算，推测，估计It is impossible to calculate what influence he had on her life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 haven t calculated how much we will spend

12、 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，但我本人觉得还可以接受。Although she doesn t like the plan, personally, I think it acceptable.totally (

13、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 yuan in total.修理费总共 500元。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 th

14、e 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.Anyhow, my goal is to provide humans with a life of high quality.anyhow=anyway 无论如何,反正，即使如止匕1）反正，这辆二手车是值得买的。Anyhow, this 01d ca门s worth buying.It s possible that I m not fit to be a teacher just as you say

15、, but,IA. somehow B. anyway C. therefore D. otherwise二、重点短语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have a lot in common 有许多共同之处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 sudden

16、ly feel that we have a 10t in common.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.My friend Martin was very sick with a strange fever;, he could neither eat nor sleep.A. as a result B. after all C. any way D. otherwisecompare with翻译：Compare this one with that one.把这个和那个作比较。We often c

17、ompare children to the nation s 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如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 with (to) many of your classmates(与其他许多同学相比较) ，you are very lucky.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 u

18、p the medical team.成(2)The student made up an excuse for his being la阂造一个借口(3)The girl makes herself up in the morning.化斗女He soon made up for the lessons he had missed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 a

19、nd ten nurses.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 don t 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 problem 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。Last summer he taught us poisonou更毒的)gas.A. how did we deal with B.

20、what did we deal withC. how we dealt with D. what we dealt withwatch 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 I am on holiday?2)请你去游泳吧，我来照管这些衣服。Go swimming please, and I ll watch over the clothes.联想：watch out (for) = look out (for)警惕、密切注意In 1963 my real father, Alan Tu

21、ring, 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. do sth.被动形式 sb. be made to do sh.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 tho

22、se days. (do/to do)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It s always 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。I ll share the fees with you if you can give me a lift.9. i

23、n a way在某种程度上；从某一角度看 (相当于in one/some wayIn a way, our programmers 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在某种程度上in_ the way挡住去路；碍事、妨碍(3) on ones way to 在去的路上on the way在途中in_ the way 顺便说(问)by way of通过、经由。in this way通过这种办法(8) in_ no way 决不any way无论如何，不管怎样练一练用way的相关短语填空。(1) Perhaps h

24、e should have said nothing but any way it was his duty. I m sorry but your legs iin the way.(3) I got caught 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 + bef

25、ore 从何” 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.The research will take Joan and Jack about five months, it will be a long time we meet them again.A. after B. before C. since D. whenOver time my memory has developed_so much that, like an elephant,I never forget anything I h

26、ave been told.And my memory became_so largejhaeven I couldn t believe it.句型：sothat如此以致于引导结果状语从句so + adj/adv+that 从旬so + adj+ a/an加数名词 +that 从句so + many/much/few/little+ 名词 +that 从旬拓展：suchthat 如此以致于”也可以引导结果状语从句(1)such +a/an+ adj弹数可数名词+that从句such + adj+复数可数名词+that从句such + 不复数名词+that从句考例 1 The weather

27、was cold that I didn t like to leave my room.A. really B. such C. too D. so考例 2 I haven t seen Ann for thangI ve forgotten what she looks like.A. suchB. very C. soD. too考例 3 She is a lovely girl that we all like her.A. suchB. veryC. soD. too考例 4 She was in a hurry that she forgot the ticket.A. suchB

28、. veryC. soD. too注意：与too9句型的相互转换He is too old to carry the box.=He is so_ old thathe can t carry the box.=He is such an old man_thahe can t carry the box.四.语法：现在完成时的被动语态(一)概念【观察与思考】I.Our classroom has been cleans d so you neednt clean it now.The letters have not been typed by now.Have the clothes be

29、en 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) been done(三)现在完成时的被动语态的用法.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）.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 10ng.2 ”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？H

30、ow 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.现在完成时的被动语态有两个助动词，即have（has）F口 been两者缺一不可。He has repaired the computer. Have they painted the door?fThe computer has been repaired by hirnr Have the door been painted?.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

31、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 yearX房子是去年建造的。The house has been buil这房子已经建好了。. 非延续性动词，如 borrow, finish, begin, start, buy, marry, open, join 等 构成的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，则要改换动词或时态。How long has this dictionary been borrowed （当（换动词 keep） How 10ng has this dic

32、tionary been kept?.副词的位置often, usually, always, never, hardl冷副词通常置于 have/has和 been的中间。如： Such a man has been hardly believed. ） x正：Such a man has hardly been believed.短语动词是一个不可分割的整体，在被动结构中要保持完整性，不可省略短 语动词中的介词或副词。例如：The police have looked into the problem. -The problem has been looked into by thepoli

33、ce.检测案一.Choose the best answer according to the sentences.My brother works at the power station that _ in my hometown.A. has set up B. has been set up C. was set up D. is set upthe sports meet will be put off.A. I ve been toB. I ve told C. Im told D. I told How long at this job? Since 1990.A. were you employedB. have you been employedC. had you been employed D. will you be employedWhen to go for the holiday yet.A. is not decidedB. was not decidedC. is not being decidedD. has not been decidedBetty injured since last Satu