高考英语 Unit 3 Computers课件 新人教版必修2

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1、Unit 3 Computers【诵读【诵读积累积累】 (2010安安徽徽高高考考)假假设设你你将将参参加加某某英英语语杂杂志志社社开开展展的的一一次次征征文文活活动动, 征征文文的的内内容容要要求求你你在在电电视视、手手机机(cell)和和网网络络三三者者中中, 放放弃弃其其中中一一个个并并陈陈述述理理由由。请请你你以以“Which would you give up: TV, cell, or Web? ”为题为题, 写一篇英语短文。写一篇英语短文。 写写作作要要点点:1. 电电视视、手手机机和和网网络络的的普普及及;2. 自自己己的的选选择择;3. 陈述理由。陈述理由。Which wou

2、ld you give up: TV, cell, or Web? We are now living in an information age, in which TV, cells and the Web are widely used. It seems that many people cannot enjoy themselves without them. However, if I had to give up one of them, I would turn off the TV rather than switch off my cell or cut off the I

3、nternet. I could do without TV because few shows take my fancy and therere too many commercials. Besides, most programs on TV are also available elsewhere. As for cells and the Web, they are more necessary to me. I need a cell to keep in touch with my friends and family, and almost all information c

4、an be gathered on the Internet. 【尝试运用【尝试运用】词汇翻译词汇翻译而不是而不是 _切断切断 _没有没有也行也行 _至于至于 _和和保持联系保持联系 _rather thancut offdo withoutas forkeep in touch with句式改写句式改写(1)用用such. . . that. . . 改写句改写句_(2)根据句根据句仿写仿写看起来他离开父母寸步难行。看起来他离开父母寸步难行。_(3)用用the reason why. . . is that. . . 改写句改写句_We are now living in such an i

5、nformation age that TV, cellsand the Web are widely used.It seems that he cannot go any further without his parents.The reason why I could do without TV is that few shows takemy fancy and therere too many commercials. 单词盘点单词盘点核心速记核心速记1. _ (adj. ) 人造的;假的人造的;假的2. _ (vt. ) 解决;解答解决;解答3. _ (n. ) 金融;财经金融;

6、财经4. _ (adv. ) (也作也作anyway)无论如何;即使如此无论如何;即使如此artificialsolvefinanceanyhow5. _ (n. ) 目标;目的;球门;目标;目的;球门;(进球进球)得分得分6. _ (vi. & vt. ) 发信号发信号 (n. ) 信号信号7. _ (n. ) 类型类型 (vt. & vi. ) 打字打字8. _ (vi. ) 出现;发生出现;发生9._ (n. ) 性格;特点性格;特点 goalsignaltypearise character联想串记联想串记10. _ (vt. ) 简化简化 _ (adj. ) 简单的简单的11. _(

7、n. ) 工艺;科技;技术工艺;科技;技术 _(adj. )科技的科技的12. _(n. ) 智力;聪明;智能智力;聪明;智能 _ (adj. ) 智智能的;聪明的能的;聪明的13. _(adj. ) 私人的;个人的;亲自的私人的;个人的;亲自的 _ (adv. ) 就个人而言;亲自就个人而言;亲自_ (n. ) 个性;人格;风个性;人格;风云人物;名人云人物;名人simplifysimpletechnologytechnologicalintelligenceintelligentpersonalpersonallypersonality14. _( adj. ) 总的;整个的总的;整个的;

8、 (n. ) 总数;合计;总数;合计;(vt. ) 共计;总共计;总计;把计;把加起来加起来 _ (adv. ) 完全地;整个地完全地;整个地15. _(n. ) 应用;用途;申请应用;用途;申请_ (v. )应用;涉及;应用;涉及;申请申请_(n. ) 申请人;求职者申请人;求职者16. _ (vt. &vi. ) 探索;探测;探究探索;探测;探究 _ (n. ) 探险探险家;勘探者家;勘探者_ (n. ) 探索探索 17._(adj. ) 电子的电子的_ (n. ) 电;电学电;电学 18. _(n. ) 外观;外貌;出现外观;外貌;出现_ (vi. ) 出现出现totaltotallya

9、pplicationapplyapplicantexploreexplorerexploration electronic electricityappearanceappear. 短语互译短语互译1. 整理;使条理清楚、有序整理;使条理清楚、有序 _2. 从从时起时起 _3. 结果结果 _4. 如此如此以至于以至于 _5. 高质量的高质量的 _put. . . in orderfrom. . . onas a resultso. . . that. . .of high quality6. 时光流逝;顺便拜访时光流逝;顺便拜访 _7. in a way _8. make up _9. aft

10、er all _10. with the help of _11. deal with _12. watch over _go by在某种程度上在某种程度上弥补;化妆;编造;构成弥补;化妆;编造;构成毕竟毕竟在在的帮助下的帮助下处理;安排;对付处理;安排;对付看守;监视看守;监视. 句型透视句型透视1. before引导时间状语从句引导时间状语从句, “之后才之后才”I developed very slowly and _ _ (差差不不多多过过了了两两百百年年才才) I was built as an analytical machine by Charles Babbage. 2. as

11、引导时间状语从句引导时间状语从句, “随着随着”_(随着时间的推移随着时间的推移), I was made smaller. it took nearly two hundred yearsbeforeAs time went by3. so. . . that . . . 引导结果状语从句引导结果状语从句, “如此如此以至于以至于”Over time my memory has developed _(如此快以如此快以至于至于), like an elephant, I never forget anything I have been told!4. be to do表示将来表示将来Any

12、how, my goal _ _(给人类提供高质量的生活给人类提供高质量的生活). so much thatis to provide humans with a life of highquality. 语篇完形语篇完形 I began as a 1. _ machine in 1642. It took nearly two hundred years 2. _ I was built as an analytical machine. I became a “universal machine” in 1936 to 3. _ any difficult mathematical pro

13、blem. I was very big at one time. However, as time 4. _by, I was made smaller and smaller. I was given a family 5. _ by a network in the early 1960s. I was able to 6. _ my knowledge with others 7. _ the World Wide Web. calculatingbeforesolvewentconnectedsharethrough I have been widely used in many f

14、ields, such as in communication, 8. _, trade and medical 9. _. I have also been put into robots and space rockets to 10. _ the Moon and Mars. Im glad I am a devoted friend and helper of the human race. financeoperationsexplore1. 选用框中词汇的适当形式完成句子选用框中词汇的适当形式完成句子deal with, arise, as a result, in a way,

15、solve(1)With the help of his friends, Tom finally _ the problem. (2)It seemed as if as soon as one problem was solved a new one _. solvedarose(3)He stayed up playing computer games last night. _, he was late for work this morning. (4)We all know that, if not carefully _, the situation will get worse

16、. (5)_, Im glad you made that mistake, for it will serve as a warning to you. As a resultdealt withIn a way2. 选用句型透视中的句式仿写句子选用句型透视中的句式仿写句子(1)要过几年里约热内卢要过几年里约热内卢(Rio de Janeiro)奥运会才举行。奥运会才举行。_(2)随着网络的普及随着网络的普及, 我们和朋友面对面的交流变少了。我们和朋友面对面的交流变少了。_It will be a few years before the Olympic Games are held in

17、Rio de Janeiro. As the Internet is becoming more and more popular, we have fewer face-to-face talks with our friends.(3)这个故事如此有趣这个故事如此有趣, 结果我们都忘记了时间。结果我们都忘记了时间。_(4)他的目标是上哈佛大学他的目标是上哈佛大学(Harvard University)。_The story was so interesting that we all forgot the time.His ambition/aim is to go to Harvard

18、University. 核核心心考考点点as a result3年年1考考deal with3年年2考考before3年年4考考1. signal vi. vt. 发信号;发暗号;示意发信号;发暗号;示意 n. 信号;暗号信号;暗号(1)signal (to) sb. to do sth. 示意某人做某事示意某人做某事signal (sb. ) that示意示意(某人某人)(2)a danger/warning traffic signal危险危险/警告交通信号警告交通信号She signaled that she was about to turn left. 她示意她就要左拐。她示意她就要

19、左拐。She signaled (to) him to follow her. 她示意他跟她走。她示意他跟她走。(2012浙浙江江高高考考)These signals can come from various areas of life. 这些信号可以来自生活中的不同领域。这些信号可以来自生活中的不同领域。【辨析【辨析】理解下列区别并选词填空理解下列区别并选词填空symbol指符号、象征、标志等指符号、象征、标志等, 常表示某种有深邃寓意的事物常表示某种有深邃寓意的事物signal指为某一目的而有意识地发出的信号指为某一目的而有意识地发出的信号sign表示表示“记号、符号记号、符号”时时,

20、同同symbol;表示;表示“告示告示, 标志标志”时时, 侧重指用图形、侧重指用图形、文字等所表达的内容;另外还可指文字等所表达的内容;另外还可指“征兆征兆, 迹象迹象”mark普普通通用用词词, 含含义义广广泛泛, 既既可可指指为为便便于于辨辨认认而而有有意意识识地地所所做做的的标标记记, 又又可可指指自自然然而然形成的标志或有别于其他事物的特征而然形成的标志或有别于其他事物的特征, 也可用于指也可用于指“分数分数, 成绩成绩”(2011广东高考广东高考)One reason for this is probably that some of their body _ are just o

21、pposite. Mandela has become a _ of the blacks fighting against the whites in South Africa. There is no _ of his getting over his illness in a short time. You can make a _ where you have questions. signalssymbolsignmark2. arise vi. 出现;发生;动身;起床出现;发生;动身;起床观察句子观察句子, 写出黑体部分的含义写出黑体部分的含义Seeing his mother r

22、eturn home, the boy arose from his chair immediately. ( )New problems will arise one after another in future. ( )They arose at sunrise to get an early start to the park. ( )A curl of smoke is arising out of the chimney. ( )Accidents often arise from carelessness. ( )起身起身出现出现起床起床上升上升产生产生【辨析【辨析】理解下列区别

23、并选词填空理解下列区别并选词填空原形原形词性词义词性词义过去式过去式过去分词过去分词现在分词现在分词arise(vi. )出现出现, 发生发生, 起因于起因于arosearisenarisingrise(vi. )升起升起, 起立起立, 增长增长, 上升上升roserisenrisingraise(vt. )举起举起, 提高提高, 饲养饲养, 养育养育, 筹筹集集, 招募招募raisedraisedraisingarouse(vt. )唤醒唤醒, 激起激起arousedarousedarousingWe were watching the children _ the national fla

24、g, and saw it _ slowly in the wind, which _ our patriotic (爱国的爱国的) minds. 【助记【助记】 形象记忆形象记忆“升起升起”raisingrisingaroused3. as a result 结果结果The pilots are on strike; _ _ _, all flights have had to be cancelled. 飞行员在罢工;结果所有航班都已被迫取消了。飞行员在罢工;结果所有航班都已被迫取消了。(2011安徽高考安徽高考)_ _ _ _ these problems, the population

25、 fell from 8. 2 million in 1841 to 6. 6 million in 1851. 由于这些问题由于这些问题, (爱尔兰的爱尔兰的)人口从人口从1841年的年的820万降到了万降到了1851年年的的660万。万。as a resultAsa result of【拓展【拓展】 as a result of 因此;由于;作为因此;由于;作为的结果的结果result from 是由是由造成的造成的result in 导致;造成导致;造成【助记【助记】4. in a way(=in one way/in some way)从从某某一一角角度度;在在某某种种程程度度上上In

26、 a way I can see what you mean, even though I dont share your point of view. 尽尽管管我我和和你你看看法法不不一一样样, 但但在在一一定定程程度度上上我我是是能能理理解解你你的的意意思思的。的。In a way, he has made great progress this term. 从某方面来说从某方面来说, 这学期他已经取得了很大的进步。这学期他已经取得了很大的进步。【拓展【拓展】写出下列短语写出下列短语_ 经由经由, 途经途经_ 决不决不, 无论如何都不无论如何都不(放在句首时放在句首时, 句子要用部分倒装句

27、子要用部分倒装)_ 在某人去在某人去的途中;即将成的途中;即将成 为为_ 让步让步, 屈服屈服_ 没门没门by way ofin no wayon ones way to. . .give way(to)no way5. deal with 处理;安排;对付;涉及处理;安排;对付;涉及观察句子观察句子, 写出黑体部分的含义写出黑体部分的含义This is life, this is what you are going to face, and this is how you deal with it. ( )In the process, the children learn to deal

28、 with difficulties. ( )His article deals with many issues we are greatly concerned about. ( )The lady is hard to deal with. ( )安排安排处理处理涉及涉及对付对付【点津【点津】deal with中的中的deal为不及物动词为不及物动词, 常与疑问词常与疑问词how连连用用, 表示表示“怎么处理怎么处理, 对待对待”; do with其中的其中的do为及物动词为及物动词, 表示表示“怎么处理、对待怎么处理、对待”时时, 常与疑问词常与疑问词what连用连用我不知道他们将如何

29、处理这个问题。我不知道他们将如何处理这个问题。(一句多译一句多译)I dont know _=I dont know _how they will deal with the problem.what they will do with the problem.6. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我我发发展展得得很很慢慢, 差差不不多多过过了了两两百百年年之之后后, 查查尔尔斯

30、斯巴巴比比奇才将我制成了一台分析机。奇才将我制成了一台分析机。(1)该该句句使使用用了了“It took+一一段段时时间间+before+从从句句(一一般般过过去去时时)”句句型型, 表表示示“过过了了一一段段时时间间后后才才”。在在该该句句型型中中主主句句谓谓语语动词多使用动词多使用be动词。动词。(2)It will (not) be+时间段时间段+before+从句从句(现在时现在时)要过一段时间后才要过一段时间后才(用不了一段时间就用不了一段时间就)It was (not) +时间段时间段+before+从句从句(过去时过去时)过了一段时间后才过了一段时间后才(没过一段时间就没过一段时

31、间就)It took many years before he returned. 很多年后他才回来。很多年后他才回来。It was long before he married Wei Fang. 过了很久他才娶魏芳。过了很久他才娶魏芳。_ _ _ _ _he goes abroad. 要过很久他才出国。要过很久他才出国。【点津【点津】以上句型中若主句为将来时态以上句型中若主句为将来时态, 从句则用一般现在时从句则用一般现在时态;若主句是一般过去时态或过去完成时态态;若主句是一般过去时态或过去完成时态, 则从句用一般过则从句用一般过去时态。去时态。It will be long before

32、【想一想【想一想】“It be + 时间时间 + 从句从句”还有哪些不同的句式?还有哪些不同的句式?【参考答案【参考答案】(1)It is/has been+时间段时间段+since+一般过去时一般过去时It is/has been 5 years since he came to our school. 这一句型可引申为:这一句型可引申为:It was+时间段时间段+since(从句用过去完成时从句用过去完成时)It was 10 years since he had arrived in China. 需需要要注注意意的的是是since从从句句的的谓谓语语动动词词一一般般是是非非延延续续性

33、性动动词词, 但但有有时时也也可可用用延延续续性性动动词词或或表表示示状状态态的的词词, 此此时时需需要要注注意意句句子子的的翻翻译。试比较:译。试比较:It is three years since she came to our class. 她来我们班已经有三年了。她来我们班已经有三年了。It is three years since she was in our class. 她离开我们班已经有三年了。她离开我们班已经有三年了。总总之之, 在在翻翻译译此此类类句句子子的的时时候候我我们们要要记记住住一一点点, 那那就就是是“自自从从这这一一动动作作或或状状态态结结束束以以来来”, 只只

34、要要记记住住这这一一点点我我们们就就比比较较好好理理解句子了。解句子了。(2)It +was+时间点时间点+when-clause(从句用一般过去时从句用一般过去时)It will be+时间点时间点+when-clause(从句用一般现在时表将来从句用一般现在时表将来)It was already eight oclock when he came back home. 当他回家时已经当他回家时已经8点了。点了。It will be midday when they get home. 当他们到家时将是中午。当他们到家时将是中午。(3)It/This/That is+the+序序数数词词+t

35、ime+that从从句句(从从句句用用现现在在完完成成时时)It/This/That was+the+序序数数词词+time+that从从句句(从从句句用用过过去去完完成成时时)It is the first time that I have been here. It was the second time that he had been out with her alone. (4)It is + (high) time + that +主语主语+did/should do(虚拟语气虚拟语气)It is (high) time (that) we stopped/should stop

36、pollution. (5)It be +时间状语时间状语(被强调部分被强调部分)+that. . . It was at 6 oclock that we heard the noise. (强调句强调句)判判断断类类似似句句式式是是不不是是强强调调句句最最简简单单的的方方法法是是:当当表表示示时时间间的的词前有介词或者后有副词时词前有介词或者后有副词时, 一般是强调结构一般是强调结构, 必用必用that。7. Over time my memory has developed so much that, like an elephant, I never forget anything I

37、 have been told!随随着着时时间间的的推推移移, 我我的的记记忆忆能能力力发发展展得得如如此此之之快快, 就就像像一一头头大大象一样象一样, 我从来不会忘记告诉我的任何事情!我从来不会忘记告诉我的任何事情!so/such. . . that引导结果状语从句引导结果状语从句, 意为意为“如此如此以至于以至于”。(1)so. . . that. . . 句型的常见形式:句型的常见形式: so + adj. /adv. +that. . . so + adj. +a/an +单数可数名词单数可数名词+that. . . so + many/few/much/little(少少). .

38、. +n. +that. . . (2)such. . . that. . . 句型的基本结构:句型的基本结构: such + a/an + adj. + 单数可数名词单数可数名词+that. . . such + adj. + 复数可数名词复数可数名词/不可数名词不可数名词+that. . . (3)当当so/such及其后成分放在句首时及其后成分放在句首时, 主句用部分倒装主句用部分倒装It will be so low in price that no man making good money will be unable to own one. 它会有很低的价格以至于只要是挣大钱的人

39、都能买得起。它会有很低的价格以至于只要是挣大钱的人都能买得起。There were so many cars in the street that I couldnt get through. 路上的车很多以至于我过不去。路上的车很多以至于我过不去。天气非常寒冷天气非常寒冷, 以至于街上没有人。以至于街上没有人。(一句多译一句多译)It was _ _ _ _ that there was nobody on the street. =It was _ _ _ _ that there was nobody on the street. =Such a cold day _ _ that th

40、ere was nobody on the street. so cold a daysuch a cold daywas it1. total adj. 总的;整个的总的;整个的 n. 总数;合计总数;合计(1)a total of 总共总共in total 加起来加起来(2)totally adv. 完全地;整个地完全地;整个地As was expected the plan was a total failure. 正如所料正如所料, 这项计划完全失败了。这项计划完全失败了。_ _ _ more than 10, 490 athletes from 204 countries parti

41、cipated in the 30th Olympic Games. 共共有有来来自自204个个国国家家的的超超过过10, 490名名运运动动员员参参加加了了第第30届届奥奥运运会。会。_ _, over 250 employees completed the safety training. 总共有超过总共有超过250名的员工完成了安全培训。名的员工完成了安全培训。A total ofIn total2. anyhow adv. (也作也作anyway)无论如何;即使如此无论如何;即使如此 (1)somewhat adv. 有点;有几分有点;有几分(2)somehow adv. 用某种方法;

42、不知怎么地用某种方法;不知怎么地Anyhow I must get all the work done before Monday. 译:译:_Somehow, he lost his way in the fog. 不知道怎么地不知道怎么地, 他在雾中迷路了。他在雾中迷路了。He looked somewhat annoyed. 他看来有几分生气的样子。他看来有几分生气的样子。无论如何无论如何, 我必须周一前把所有的工作完成。我必须周一前把所有的工作完成。3. watch over 看守;监视;守护;照管看守;监视;守护;照管Could you watch over my clothes w

43、hile I have a swim? 我游泳时你帮我照管我的衣物行吗我游泳时你帮我照管我的衣物行吗? He felt that God was watching over him. 他感觉到上帝保佑着他。他感觉到上帝保佑着他。【拓展【拓展】补全下列短语补全下列短语watch _ (for) 当心当心; 注意注意keep a watch _ 监视监视_ the close watch 在严密的监视下在严密的监视下 outonunder. 用所给词的适当形式填空用所给词的适当形式填空1. I was a student who went on alternative break trips an

44、d had my life _ (total) transformed by that experience. 2. They send _ (signal) through the spinal cord (脊髓脊髓) to the muscles to give us the ability to move. 3. Seeing their favourite star come in, the devoted fans _ (arise) from their seats immediately. 4. Have you filled in the _ (apply) form for

45、a new passport? totallysignalsaroseapplication5. Many people call the age we live in the age of _ (technical). 6. The advertisements are _ (calculate) to attract young consumers. 7. It may take a long time to find a _ (solve) to the problem. 8. People around the world should protect the present wate

46、r resources and _ (exploration) potential ones. 9. _ (personal), I am quite content with Scotland. 10. He is _ (universal) recognized as one of the greatest scientists of all time. technologycalculatedsolutionexplorePersonallyuniversally. 完成句子完成句子1. Can we begin by discussing matters _ _? (arise)我们是

47、不是可以从讨论上次会议所产生的问题开始?我们是不是可以从讨论上次会议所产生的问题开始?2. His work experience equipped him _. (deal)他的工作经验使他能与各种各样的人打交道。他的工作经验使他能与各种各样的人打交道。3. They use specially trained dogs _. (watch)在晚上在晚上, 他们使用专门训练的狗来看守他们的羊群。他们使用专门训练的狗来看守他们的羊群。arising from the lastmeetingto deal with all kindsof peopleto watch over their sh

48、eepat night4. _, we became good friends. (with)随着时间的流逝随着时间的流逝, 我们成为了好朋友。我们成为了好朋友。5. So quickly _that I didnt make out what his face was like. (speed)汽车疾驰而过我没有看清他的脸。汽车疾驰而过我没有看清他的脸。6. It is a long time since they separated, but _ _ they meet again. (before)自从他们分别以来已经很长时间了自从他们分别以来已经很长时间了, 但是不久他们就会重逢。但是

49、不久他们就会重逢。7. I_ the benefit of this method from then on. (begin)从那时开始我就开始意识到这种方法的好处。从那时开始我就开始意识到这种方法的好处。With time going bydid the car speed byit wont be longbeforebegan to realize8. _at least 100 people were killed in that accident. (calculate)据估算据估算, 至少至少100人死于那场事故。人死于那场事故。9. _, he went on holiday i

50、n France. (solve)解决了问题后解决了问题后, 他去法国度假。他去法国度假。10. His failure _ _ gave him a very good lesson. (result)工作不够努力造成的失败给他一个很好的教训。工作不够努力造成的失败给他一个很好的教训。It has been calculated thatHaving solved the problem(which resulted) resulting from not workinghard. 话题写作话题写作 先将下面几个句子翻译成英语先将下面几个句子翻译成英语, 然后连成一段小短文。然后连成一段小短

51、文。 1.随随着着科科学学技技术术的的发发展展, 计计算算机机应应用用于于如如此此多多的的领领域域, 以以至至于我们不能没有它。于我们不能没有它。 2. 结果是人们依靠计算机来解决各种问题结果是人们依靠计算机来解决各种问题, 比如探索月球。比如探索月球。 3. 即便如此即便如此, 人们也普遍认为在将来计算机不能替代人类。人们也普遍认为在将来计算机不能替代人类。_【参考范文【参考范文】 With science and technology developing quickly, computers can apply to so many fields that we cant go without it. As a result, people could calculate on computers to solve all kinds of problems such as exploring the moon. Anyhow, it is also universally believed that computers cant take the place of human beings in the future.

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