Unit-3-Computers-导学案-人教必修2精品.doc

1、Unit 3 Computers 导学案课前预习导学课标导航功能1.Making decisionsI think/dont think that.I believe that.Ive decided that.Lets make a decision.2ReasoningThe advantage/disadvantage is.I agree/dont agree.because.Give me your reasons.What makes you think so？句型before引导时间状语从句，表示“在之前”as.as.“像一样”as引导的从句so.that.如此以至于语法现在完成

2、时被动语态的结构和用法Over time I have been changed quite a lot.First as a PC(personal computer) and then as a laptop，I have been used in offices and homes since the 1970s.Since the 1970s many new applications have been found for me.写作Argumentative writing：computers effects on people考点intelligence(2011江苏高考，27)

3、somehow(2011江西高考，27)before引导的状语从句(2011四川高考，6)as引导的状语从句(2012山东高考，27/2011全国高考，22)go ahead(2011辽宁高考，35)deal with (2011天津高考，8)现在完成时的被动语态(2011天津高考，3/2011北京高考，21等)主题导读Steve Jobs (February 24，1955October 5，2011) was an American inventor and entrepreneur(企业家)He was cofounder，chairman，and CEO of Apple Inc.In

4、 the late 1970s，Jobsalong with other Apple cofoundersdesigned，developed，and marketed one of the first commercially successful lines of personal computers，the Apple series. In 1985，Jobs resigned from Apple and founded NeXT，a computer platform development company specializing in the higher education a

5、nd business markets. Apples subsequent (继任者) brought Jobs back to the company he cofounded，and he served as its interim(临时的)CEO from 1997，then becoming permanent(永久的) CEO from 2000 onwards. After resigning as CEO in August 2011，Jobs was elected chairman of Apples board of directors.On October 5，2011

6、，Jobs died in California at age 56，seven years after being diagnosed with pancreatic(胰腺的)cancer. On his death he was widely described as a visionary pioneer and geniusperhaps one of the foremostin the field of business and product design，and a man who had greatly changed the face of the modern world

7、. His death was widely mourned and considered a loss to the world by people across the globe.诱思探究1What do you think of Steve Jobs as an inventor and a CEO？2Some people think that Steve Jobs has greatly changed the face of the modern world，do you think so？Whats your opinion？答案：The answers are various

8、.基础导练.词汇拓展1_ vt. 计算_ n. 计算器2_ n. 宇宙_ adj. 宇宙的；普遍的；通用的3_ adj. 简单的_ vt. 简化4_ n. (电脑)操作员；接线员_ v. 操作；动手术operation n. 操作；运转；手术5_ adj. 合逻辑的；合情理的_ adj. (反义词)_ adv. 合逻辑地；有条理地；逻辑上6_ n. 工艺；科技；技术_ adj. 科技的7_ n. 革命_ adj. 革命的；n. 革命者8_ n. 智力；聪明；智能_ adj. 智能的；聪明的9_ n. 真实；事实；现实_ adj. 现实的；真实的_ adv. 确实；真正地10_ adj. 私人的

9、；个人的；亲自的_ adv. 就个人而言；亲自11_ adj. 总的；整个的_ adv. 完全地；整个地12_ n. 应用；用途；申请_ v. 申请；运用13_ n. 金融；财经_ adj. 财政的；金融的14_ vt.&vi. 探索；探测；探究_ n. 勘探者；探险家15_ vi. 出现；发生_ (过去式)_(过去分词)16_ vi. 出现；显得；好像_ n. 外观；外貌；出现17_ n. 性格；特点_ adj. 特有的；典型的.短语互译1_ 从时起2_ 结果3_ 在某种程度上4_ 在的帮助下5_ 处理；安排；对付6watch over _7so.that. _8be crazy about

10、 _9make up _10after all _.重点句型1I developed very slowly and _ _ nearly two hundred years _ I was built as an analytical machine by Charles Babbage.我发育缓慢，差不多到了两百年之后，查尔斯巴比奇才把我制成了一台分析机。2By the 1940s，I _ _ _ _ _ a room，and I wondered if I would grow _ _.到20世纪40年代时，我已变得像一个房间一样大，我不知道是否还会变得更大。3_ _ _ _，I was

11、 made smaller.随着时间的流逝，我被做得更小了。4_ _ my memory has developed _ _ _，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，我从来不会忘记告诉我的任何事情！5And my memory became _ large _ even I couldnt believe it！我的存储量变得如此之大，连我自己都不能相信！答案：.1.calculate；calculator2.universe；universal3.si

12、mple；simplify4.operator；operate5.logical；illogical；logically6.technology；technological7.revolution；revolutionary8.intelligence；intelligent9.reality；real；really10.personal；personally11.total；totally12application；apply13.finance；financial14.explore；explorer15.arise；arose；arisen16.appear；appearance17.c

13、haracter；characteristic.1.from.on2.as a result3.in a way4.with the help of5.deal with6.看守；监视7.如此以至于8.对着迷(热衷)9.编造；弥补；组成10.毕竟；终究.1.it took；before2had grown as large as；any larger3As time went by4Over time；so much that5so；that自我感悟在预习中还有哪些问题需要你在听课时加以关注？请在下列表格中做个备忘吧！课堂合作探究Part Warming Up，Pre-reading，Read

14、ing & Comprehending文本感知阅读WHO AM I？，完成下列小题1Which of the following statements is right？AThe first form of the computer appeared as a calculating machine in France in 1642.BThe analytical machine was invented by Turing in 1822.CComputers have been used as a means of communication around the world since

15、 the 1960s.DComputers havent been put into space rockets and used to explore the Moon and Mars.2According to the description(描述)in the text computers will be _ in the future.Abigger and bigger，faster and fasterBsmaller and smaller but fasterCmore and more advancedDalmost the same as those today3What

16、 is the content of the passage of “WHO AM I？”AComputers have a long history.BComputers are becoming more and more advanced now.CComputers are meant to help human beings.DAll of the above.答案：1A2.C3.D导学互动1In pairs discuss what they have in common.(P17，Warming Up)两人一组讨论它们有什么共同之处。have (sth.) in common有共

17、同之处They are brothers，but they have nothing in common.他们虽然是兄弟，但毫无共同之处。In general，their methods have a lot in common.总的来说，他们的方法有很多共同之处。联想拓展(1)(2)In common with many other girls，she likes new dresses.和许多其他女孩一样，她也喜欢新衣服。The two neighbours own the parking lot in common.这两个邻居共同拥有这个停车场。即学即练(1)完成句子这两幅画有什么共同之

18、处？What do the two paintings _ _ _？他和很多男孩一样喜欢足球。_ _ _ many other boys，he likes football.(2)单项填空Roses are quite _ flowers in England gardens.Aordinary BcommonCusual DgeneralWe have a lot _ and have a lot to talk about.Ain brief Bin commonCin detail Din fact2calculating machine(P17，Pre-reading)计算机calcu

19、late vt. 计算；预测The teacher calculated the average marks of the class.老师算出了全班的平均分。It is calculated that the work will be finished in two days.预计两天后完成这项工作。联想拓展calculator n. 计算器calculation n. 计算；推测词汇辨析calculate“计算，核算”，一般要有较复杂的过程，如加、减、乘、除等运算，或数学上精密的计算等count“计算，数”，指逐个数过而得出总数即学即练单项填空The loss has not yet be

20、en _ accurately，but it is believed to be well beyond a hundred million dollars.Acalculated BconsideredCcompleted Dcontrolled3Although I was young I could simplify difficult sums.(P18，Reading，L23)尽管我很年轻，但我能简化一些复杂的数额。1)simplify vt. 简化；使简易Youd better simplify the process of the math problem.你最好简化一下这道数学

21、题的步骤。Try to simplify your explanation for the children.设法使你的解释简易一些，让孩子们能听懂。词汇拓展simple adj. 简单的；简易的；单纯的；朴素的simplified adj. 简化的simply adv. 简单地；仅仅；完全；简直simplification n. 简化Rich as he is，he still lives a simple life.尽管他很富有，但他仍然过着俭朴的生活。What they need is simply money，money and money.他们所需的仅仅是钱而已。即学即练(1)用si

22、mple的正确形式填空Please introduce it to us _.It is so complicated that I cant understand it；please _ it.Only after it was _，we found it easier to understand.(2)同义句改写The article is too difficult，so youd better make it easy for students to read.The article is too difficult，so youd better _ it for students t

23、o read.(3)单项填空Im surprised that you should have been fooled by such a(n) _ trick.Aordinary Bdifficult Csmart DsimpleRunning a company is not _ a matter of hiring people；they also need to be trained.Asimply Bpartly Cseriously Dequally2)sum n总数，总计(与of连用)；金额；款项The sum of three and five is eight.3与5的总和是

24、8。Hosting the 2010 Shanghai Expo cost China a large sum of money.中国斥巨资承办了2010年上海世博会。短语链接(1)in sum 总之；简而言之It was，in sum，a complete failure.总之，这是一次彻底的失败。(2)sum up 概括；概述The story may be summed up in one sentence.该故事可用一句话来概述。(3)summary n摘要；概要adj.概括的；总结的in summary 概括地说；总的说来Can you give me a quick summary

25、 of your research？Can you tell me about your research in summary？你能简要概括一下你的研究工作吗？即学即练单项填空She was left _of money by her parents.Aa large sum Ba large number Ca plenty Dgreat deal His speech _ the present situation of economy.Amade up Bsummed upCtook up Dset up4I developed very slowly and it took near

26、ly two hundred years before I was built as an analytical machine by Charles Babbage.(P18，Reading，L36)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。It will be/is/was/takes时间段before.“要过多久/过了多久才”。It was two years before he finished the task.他花了2年的时间才完成了这项任务。It took him half an hour before he came to life.半个小时后他才苏

27、醒过来。It will be a week before we meet again.一周后我们还会再次见面的。联想拓展before的不同用法(1)还没来得及，就He left angrily before I could explain to him.我还没来得及向他解释，他就生气地走了。(2)趁着Youd better write them down before you forget.趁着还没忘记，赶紧把它们写下来。(3)一就；刚刚就He had hardly gone to bed before the door bell rang.他刚刚睡下，门铃就响了。即学即练单项填空Why di

28、dnt you ask the teacher the question？She had left the office _ I had time to.Aas Btill Cafter DbeforeJohn thinks it wont be long _ he is ready for his new job.Awhen Bafter Cbefore DsinceIm sorry youve been waiting so long，but itll still be some time _ Tom gets back.Abefore Bsince Ctill Dafter5In 193

29、6 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.(P18，Reading，L1113)在1936年，我真正的父亲，艾伦图灵写了一本书，讲述了怎样能使我成为一台“通用机器”来解决任何数学难题。solve vt. 解答；解决；破解So far nobody in our class can solve the math problem.至今我们班没人能解答这道

30、数学题。Im trying to solve this problem，but I cant find the right solution.我正试图解决这个问题，可是找不到正确的方法。Many natural puzzles remain to be solved.很多自然界谜团有待于破解。词汇辨析solve侧重于解决问题；其宾语常为problem，puzzle，mystery，difficulty等名词settle要解决的对象通常是某种争端，使争端“平息”；其宾语通常为argument，dispute，affair，matter，quarrel，issue等I dont think mon

31、ey can solve all problems.我认为钱不能解决所有问题。They settled the dispute in a friendly way.他们以友好的方式解决了这一争端。即学即练(1)用solve/settle的适当形式填空Who can _ the mystery of the trick that the golden fish could swim in a straight line？International disputes should be _ in a peaceful way.(2)单项填空With all the problems _，the n

32、ewlyelected president felt rather relaxed.Ato be solved BsolvedCsolving Dhaving solvedFamilys problems can be _ by communicating with each other，while international issues can be _ by negotiating peacefully.Asolved；solved Bsettled；settledCsolved；settled Dsettled；solved6From then on，I grew rapidly bo

33、th in size and in brainpower.(P18，Reading，L1314)从那时起，我在体积和智能方面迅速成长。from then on从那时起From then on he understood the importance of studying English.从那时起，他知道了学习英语的重要性。短语链接from now on 从现在起from today on 从今天起from tomorrow on 从明天起温馨提示from then on“从那时起”，所在句子常用一般过去时态since then“自从以来”，所在句子常用现在完成时态from now (toda

34、y) on“从现在(今天)开始”，所在句子常用一般将来时态即学即练 (1)用所给单词的适当形式填空From then on，we _(become)good friends.Her husband died in 1990，since then she _(live) alone.From today on I _(study)even harder.(2)单项填空He left his homeland in 1937 and from then on he _to his hometown again.Adidnt return Bdoesnt returnChadnt returned

35、Dhasnt returnedWe said goodbye to each other last year，_ I havent seen her again.Afrom then on Bsince thenCtill then Dafter7As time went by，I was made smaller.(P18，Reading L16)随着时间的推移，我被做得更小了。1)as conj. 随着As time goes by，China will become stronger and stronger.随着时间的变迁，中国将会变得越来越强大。As our life improve

36、s，we have more and more time to entertain ourselves.随着生活的改善，我们有了越来越多的娱乐时间。联想拓展as的用法关系代词，引导非限制性定语从句，意为“正如，如同”As we all know，computers play an important part in our daily life.从属连词，引导让步状语从句，意为“尽管，虽然”Little as he is，he knows a lot.从属连词，引导时间状语从句，意为“一边一边”They talked with each other as they walked along t

37、he street.从属连词，引导方式状语从句，意为“像，按照方式”You have to do it as told.即学即练(1)完成句子_(随着年龄的增长)，his hair turned whiter and whiter._(随着春天的临近)，it becomes warmer and warmer.(2)单项填空_ time went on，Einsteins theory proved to be correct.AAs BWith CWhile DWhenHe smiled politely _Mary apologized for her drunken friends.Aa

38、s Bif Cunless DthoughHot _ the night air was，we slept deeply because we were so tired after the long journey.Aalthough Bas Cwhile Dhowever2)go by (指时间)过去；逝去；走过；过去Twenty years went by and she remained unchanged.二十年过去了，她依然没变。I went by him，but he pretended not to see me.我从他身旁经过，但他假装没看到我。Dont let such a

39、 good chance go by.不要放过这样一个好机会。短语链接go on (with) 进行；继续；发生go ahead 走在前面；前进；干吧(说吧/用吧)go away 走开go over 复习go through 经历；遭受；穿过go across 横渡；跨越go in for 从事；喜好即学即练(1)介副词填空After a short rest they went on _ their work.The old man went _ two World Wars.You go _ first；well catch up with you later.Im sorry. I ca

40、nt go out for a play with you. I have to go _ my lessons.(2)单项填空Didnt you have a good time at the party？Of course I did. As a matter of fact，I had such fun that time seemed to _ so quickly.Ago by Bgo awayCgo out Dgo overI probably shouldnt have any more cake.Oh，_.It wont kill you.Ago ahead Bhold on，

41、pleaseCyoure welcome Dthatll do8As a result I totally changed my shape.(P18，Reading，L19)结果我完全改变了形状。as a result 结果；因此as a result of由于的原因He didnt work hard；as a result，he failed the exam.他不用功，结果考试不及格。Alice overslept this morning. As a result，she was late for work.艾丽丝今天早上睡过头了，结果上班迟到了。He was late for sc

42、hool as a result of traffic jam. 由于交通堵塞他上学迟到了。As a result of illness，he couldnt go to the party yesterday.由于生病的缘故，他昨天没能参加那晚会。词汇辨析result in“导致”，相当于lead to，cause；主语是原因，宾语是结果result from“由产生”，相当于lie in；主语是结果，宾语是原因His carelessness resulted in the car accident.他的粗心大意导致了这起车祸。The car accident resulted from

43、his carelessness.这起车祸是由于他粗心大意造成的。即学即练(1)同义句改写The burning end of a cigarette resulted in the big fire.The big fire _ _ the burning end of a cigarette.All the flights were put off because of the heavy fog.All the flights were put off _ _ _ _ the heavy fog.(2)单项填空My son suffered from a strange illness；_，he couldnt eat and sleep.Aas a result Bafter all Canyway DotherwiseJenny nearly missed the flight _ doing too much shopping.Aas a result of Bon top ofC