人教版高中英语必修2unit3课文知识点详解(课堂PPT).ppt

Unit 3 ComputersUnit 3 Computers基础落实基础落实.高频单词思忆高频单词思忆1.The development of the steam engine was a 1.The development of the steam engine was a great great (科技的科技的)advance.)advance.2.I havent 2.I havent (计算计算)the result of)the result of the maths problem.the maths problem.3.Life 3.Life (完全地完全地)changed)changed when I went to college.when I went to college.4.People will build a large 4.People will build a large (人造人造 的的)lake in the new park.)lake in the new park.technologicaltechnologicalcalculatedcalculatedtotally/completelytotally/completelyartificialartificial15.Before going to school,all the children are 5.Before going to school,all the children are given an given an (智力智力)test.)test.6.Difficulties will 6.Difficulties will a a as we do the work.as we do the work.7.7.P P ,I prefer to go to Beijing for,I prefer to go to Beijing for my holiday.my holiday.8.Do you know that football 8.Do you know that football c c who is who is standing there?standing there?9.“One World,One Dream”fully reflects the 9.“One World,One Dream”fully reflects the essence(essence(实质实质)and the)and the u u values values of the Olympic spirit.of the Olympic spirit.10.The invention of the television caused a 10.The invention of the television caused a r r in our daily life.in our daily life.intelligenceintelligenceriseriseersonallyersonallyoachoachniversalniversalevolutionevolution2.重点短语再现重点短语再现1.1.从从时起时起2.2.结果结果3.3.如此如此以致于以致于4.4.在某种程度上在某种程度上5.5.在在的帮助下的帮助下6.6.处理；安排；对付处理；安排；对付7.7.看守；监视看守；监视8.8.共有；共用共有；共用9.9.弥补弥补10.10.毕竟毕竟from.onfrom.onas a resultas a resultso.thatso.thatin a wayin a waywith the help ofwith the help ofdeal withdeal withwatch overwatch overin commonin commonmake upmake upafter allafter all3.典型句式运用典型句式运用1.I developed very slowly and it took nearly 1.I developed very slowly and it took nearly two hundred years before I was built as an two hundred years before I was built as an analytical machine by Charles Babbage.analytical machine by Charles Babbage.我发我发 育缓慢，差不多到了两百年之后，查尔斯育缓慢，差不多到了两百年之后，查尔斯巴比巴比 奇才把我制成了一台分析机。奇才把我制成了一台分析机。（1 1）“It took/was+It took/was+一段时间一段时间+before+before 从句从句”是一个固定句型是一个固定句型,意为意为“”。（2 2）beforebefore用于这类句型时的结构还有：用于这类句型时的结构还有：It didnt take/was long(It didnt take/was long(或一段时间或一段时间)before.before.过了不久（一段时间）就过了不久（一段时间）就考点提炼考点提炼过了过了后才后才4 It will take/be long(It will take/be long(或一段时间或一段时间)before.before.要过很久（一段时间）才要过很久（一段时间）才 It wont take/be long(It wont take/be long(或一段时间或一段时间)before.before.不久（一段时间后）就会不久（一段时间后）就会2.As time went by,I was made smaller.2.As time went by,I was made smaller.随着时间随着时间 的推移，我被制造得越来越小。的推移，我被制造得越来越小。句中的句中的asas是连词，引导是连词，引导 从句，从句，意为意为“”或或“”。表示表示“随着随着”时，也可以用时，也可以用with,with,但但withwith后只后只 接名词短语。接名词短语。考点提炼考点提炼时间状语时间状语一边一边一边一边随着随着53.And my memory became so large that even I 3.And my memory became so large that even I couldnt believe it!couldnt believe it!我的记忆能力变得如此我的记忆能力变得如此 巨大，甚至连我自己都不能相信！巨大，甚至连我自己都不能相信！so+so+adjadj././advadv.+that.+that.意为意为 “”，引导结果状语从句。，引导结果状语从句。so thatso that引导引导 从句，相当于从句，相当于in order in order that,that,该从句中常用情态动词该从句中常用情态动词may,might,can,may,might,can,could,will,would could,will,would和和shouldshould。考点提炼考点提炼如此如此以致以致目的状语目的状语64.After all,with the help of my electronic 4.After all,with the help of my electronic brain which never forgets anything,using my brain which never forgets anything,using my intelligence is what Im all about!intelligence is what Im all about!不管怎么不管怎么 样，在我过目不忘的电子脑的帮助下，运用智能就样，在我过目不忘的电子脑的帮助下，运用智能就 是我的一切。是我的一切。with the help of my electronic with the help of my electronic brain which never forgets anything brain which never forgets anything是状语，是状语，说明主谓部分的伴随状况。在这个说明主谓部分的伴随状况。在这个withwith短语中，短语中，包含一个定语从句包含一个定语从句 ,修饰修饰my electronic brainmy electronic brain。with the help ofwith the help of意为意为“”。考点提炼考点提炼which never forgetswhich never forgetsanythinganything在在的帮助下的帮助下75.Whats more,you can use the Internet to 5.Whats more,you can use the Internet to learn English.learn English.而且，你还能利用因特网学英语。而且，你还能利用因特网学英语。What is moreWhat is more意为意为“”，常作，常作 语，相当于语，相当于besidesbesides或或 furthermorefurthermore。考点提炼考点提炼更重要的是；而更重要的是；而且且插入插入8导练互动导练互动重点单词重点单词1.calculate1.calculate I began as a I began as a machine in France machine in France in 1642.(in 1642.(回归课本回归课本P P1818)观察思考观察思考 Mary always calculates the cost of goods Mary always calculates the cost of goods before she buys them.before she buys them.玛丽总是在买东西之前先估算好价钱。玛丽总是在买东西之前先估算好价钱。calculatingcalculating9Mr.Li calculated that it would take him Mr.Li calculated that it would take him three hours to get to Shenzhen.three hours to get to Shenzhen.李先生估计他要花三个小时才能到达深圳。李先生估计他要花三个小时才能到达深圳。What I said yesterday was not calculated to What I said yesterday was not calculated to hurt you.hurt you.昨天我说的话不是有意伤害你的。昨天我说的话不是有意伤害你的。归纳总结归纳总结calculate calculate 。calculate on/uponcalculate on/upon指望；打算指望；打算It is calculated that.It is calculated that.据估算据估算be calculated to dobe calculated to do打算做；故意做打算做；故意做be calculated forbe calculated for适合于适合于v v.计算；打算；推测计算；打算；推测10即学即用即学即用（1 1）这些广告旨在吸引年轻的单身消费者。）这些广告旨在吸引年轻的单身消费者。The advertisementsThe advertisements attract young single consumers.attract young single consumers.（2 2）据估算，去年至少丧失了）据估算，去年至少丧失了47 00047 000个工作。个工作。at least at least 47,000 jobs were lost last year.47,000 jobs were lost last year.are calculated toare calculated toIt has been calculated thatIt has been calculated that112.anyhow2.anyhow ,my goal is to provide humans with,my goal is to provide humans with a life of high quality.(a life of high quality.(回归课本回归课本P P1818)观察思考观察思考 I am not feeling quite well but I will I am not feeling quite well but I will attend the meeting tomorrow anyhow.attend the meeting tomorrow anyhow.我觉得不太舒服，但明天的会我无论如何会参加。我觉得不太舒服，但明天的会我无论如何会参加。His books were arranged anyhow on the floor.His books were arranged anyhow on the floor.他的书乱七八糟摊了一地。他的书乱七八糟摊了一地。AnyhowAnyhow12归纳总结归纳总结anyhow anyhow 。(1)“(1)“无论如何，不管怎样，反正；尽管如此无论如何，不管怎样，反正；尽管如此”，在，在作此意解时，作此意解时，anywayanyway和和anyhowanyhow一样，都用作让步状一样，都用作让步状语，一般位于句中（其前常有连词语，一般位于句中（其前常有连词butbut）或句末。）或句末。（2 2）“况且，更何况；再说；至少况且，更何况；再说；至少”，作此意解，作此意解时，时，anywayanyway和和anyhowanyhow一样，都用作句子状语，用来一样，都用作句子状语，用来对前边的话作补充，给出一个更加令人信服的理由。对前边的话作补充，给出一个更加令人信服的理由。这时这时anyhowanyhow常出现在句首或最后的分句之首（位于常出现在句首或最后的分句之首（位于分句之首时其前常有连词分句之首时其前常有连词andand），而不可出现在句末。），而不可出现在句末。（3 3）“粗心地；随意地粗心地；随意地”，在作此意解时，只能用，在作此意解时，只能用anyhowanyhow。advadv.无论如何；不管怎么说；胡乱地无论如何；不管怎么说；胡乱地13即学即用即学即用（1 1）Excuse me,could you tell me the way to Excuse me,could you tell me the way to the British Museum?the British Museum?Sorry,Im a stranger here.Sorry,Im a stranger here.A.Thanks anyway A.Thanks anyway B.It doesnt matter B.It doesnt matter C.Never mind C.Never mind D.No problem D.No problem 解析解析 A.A.不管怎样，还是要谢谢你。不管怎样，还是要谢谢你。B.B.没关系。没关系。C.C.不要紧；不用担心。不要紧；不用担心。D.D.没问题。句意为：没问题。句意为：打扰了，你能告诉我去大英博物馆的路打扰了，你能告诉我去大英博物馆的路 吗？吗？抱歉，我在这儿是个陌生人。抱歉，我在这儿是个陌生人。不不 管怎样，还是要谢谢你。管怎样，还是要谢谢你。A14（2 2）I might fail,but I might fail,but I insist on doing I insist on doing it,I dont mind.it,I dont mind.A.however A.howeverB.anyhowB.anyhow C.yet C.yetD.meanwhileD.meanwhileB153.arise3.arise Then she prepares reliable moves to use if Then she prepares reliable moves to use if a new situation a new situation .(.(回归课本回归课本P P2323)观察思考观察思考 A new difficulty has arisen.A new difficulty has arisen.一项新的困难出现了。一项新的困难出现了。I arose early in the morning.I arose early in the morning.我早上起得很早。我早上起得很早。arisesarises16归纳总结归纳总结arise arise 。(1)(1)作作“呈现；出现；发生呈现；出现；发生”之意时，主语多为以下之意时，主语多为以下抽象名词：抽象名词：argument/problem/quarrel/question/movementargument/problem/quarrel/question/movement。（2 2）arise fromarise from由由而引起，由而引起，由而产生；而产生；从从中产生。中产生。vivi.出现，发生；上升出现，发生；上升17易混辨异易混辨异arise,arouse,rise,raisearise,arouse,rise,raise原形原形过去式过去式过去分词过去分词 v v.-ing.-ingarise arise vivi.出现；出现；发生；起因于发生；起因于 arosearose arisenarisen arisingarisingarouse arouse vtvt.唤醒，唤醒，激起激起arousedaroused arousedaroused arousingarousingrise rise vivi.升起；起升起；起身；增长；上升身；增长；上升 roserose risenrisen risingrisingraise raise vtvt.举起；唤举起；唤起；提高；饲养起；提高；饲养 raisedraised aisedaised raisingraising18即学即用即学即用(1)(1)我本来想事情会很容易，但是出现了许多问题。我本来想事情会很容易，但是出现了许多问题。I thought it would be easy,but a lot of I thought it would be easy,but a lot of problems problems .(2)(2)事故由粗心大意引起。事故由粗心大意引起。Accidents Accidents carelessness.carelessness.have arisenhave arisenarise fromarise from194.signal4.signal For example,I have learned to For example,I have learned to to my to my teammates in computer language to give me teammates in computer language to give me the ball when I am open and have a good the ball when I am open and have a good shot for a goal.(shot for a goal.(回归课本回归课本P P2323)观察思考观察思考 Dont fire until I signal.Dont fire until I signal.等我发出信号后再开枪。等我发出信号后再开枪。He signalled to the waiter for the bill.He signalled to the waiter for the bill.他示意服务员结账。他示意服务员结账。A red light is a signal of danger.A red light is a signal of danger.红灯是危险的信号标志。红灯是危险的信号标志。signalsignal20归纳总结归纳总结signal signal 。易混辨异易混辨异signal,sign,mark,symbolsignal,sign,mark,symbol(1)signal(1)signal常指约定俗成、用于传达某些信息的信常指约定俗成、用于传达某些信息的信号，也指灯光、声音或信号标志。号，也指灯光、声音或信号标志。（2 2）signsign用法最广，可以指符号，也可以指情绪、性格用法最广，可以指符号，也可以指情绪、性格的直观显示，还可以指具体的用于识别或指示的标志，的直观显示，还可以指具体的用于识别或指示的标志，如指示牌、卡片等，借喻作如指示牌、卡片等，借喻作“征兆；迹象征兆；迹象”讲。讲。The referee gave the sign to start the game.The referee gave the sign to start the game.裁判员给出开始比赛的信息。裁判员给出开始比赛的信息。vivi.&.&vtvt.发信号；发信号；n n.信号信号21（3 3）markmark含义广泛，指事物留下的深刻印记，比含义广泛，指事物留下的深刻印记，比signsign更侧重于区别性或指示性的标志。更侧重于区别性或指示性的标志。（4 4）symbolsymbol指被人们选出的物体或图案，用来代表指被人们选出的物体或图案，用来代表另一事物，作为该事物的标记或象征。另一事物，作为该事物的标记或象征。The dove is the symbol of peace.The dove is the symbol of peace.鸽子是和平的象征。鸽子是和平的象征。22即学即用即学即用（1 1）The soldiers are hiding in the trees and The soldiers are hiding in the trees and waiting for the waiting for the to start firing.to start firing.A.mark A.markB.signalB.signal C.sign C.signD.symbolD.symbol 解析解析 这里强调传达某些信息的信号，应用这里强调传达某些信息的信号，应用 signalsignal。（2 2）Rose is considered to be a Rose is considered to be a of love.of love.A.mark A.markB.signalB.signal C.sign C.signD.symbolD.symbol 解析解析 句意为：玫瑰被视为爱情的象征。句意为：玫瑰被视为爱情的象征。symbolsymbol象征；符号。象征；符号。BD23重点短语与句型重点短语与句型5.in a way5.in a way our programmer is like our coach.our programmer is like our coach.(回归课本回归课本P P2323)观察思考观察思考 In a way it was one of our biggest mistakes.In a way it was one of our biggest mistakes.从某种意义上来说，这是我们所犯的最大错误之从某种意义上来说，这是我们所犯的最大错误之 一。一。In a wayIn a way24归纳总结归纳总结in a wayin a way意为：意为：。all the wayall the way一路上；一直；完全一路上；一直；完全by way ofby way of经由，途经经由，途经by the wayby the way顺便说顺便说in the wayin the way妨碍；挡路妨碍；挡路in this wayin this way以这种方法以这种方法in no wayin no way决不，无论如何都不决不，无论如何都不on the wayon the way在途中在途中on ones way(to).on ones way(to).在某人去在某人去的途中；即将的途中；即将成为成为give way(to)give way(to)让步，屈服让步，屈服有几分；在某种程度上有几分；在某种程度上25即学即用即学即用(1)(1)竟然有这么多的人途经香港去国外，真让人吃惊。竟然有这么多的人途经香港去国外，真让人吃惊。Its surprising that so many people Its surprising that so many people should go abroad should go abroad .(2)(2)我们决不能错过这个被派往国外深造的机会。我们决不能错过这个被派往国外深造的机会。the chance that the chance that someone will be sent abroad for further someone will be sent abroad for further education.education.by way of Hong Kongby way of Hong KongIn no way can we missIn no way can we miss266.make up6.make up In this way I can In this way I can new moves using new moves using my“artificial intelligence”.(my“artificial intelligence”.(回归课本回归课本P P2323)观察思考观察思考 A computer is made up of many different A computer is made up of many different parts.parts.电脑由许多不同的零件组成。电脑由许多不同的零件组成。He is making up stories.Dont trust him.He is making up stories.Dont trust him.他在编故事。别信他。他在编故事。别信他。She spent two hours making herself up She spent two hours making herself up before the party.before the party.她在参加聚会前用了两个小时化妆。她在参加聚会前用了两个小时化妆。make upmake up27归纳总结归纳总结make up make up ；和解，言归于好；和解，言归于好；，；弥补；把；弥补；把补上。补上。make up for sth.make up for sth.弥补；补偿弥补；补偿make formake for朝某方向移动朝某方向移动make full/good/the best use of(=make the make full/good/the best use of(=make the most of)most of)充分利用充分利用make fun ofmake fun of取笑；捉弄取笑；捉弄make intomake into转变转变make itmake it做成功做成功make ones waymake ones way向向走去走去组成组成编出编出化妆化妆打扮打扮28make outmake out设法应付；活下来；过活；了解；辨认；设法应付；活下来；过活；了解；辨认；理解理解make sensemake sense有意义；有道理；讲得通有意义；有道理；讲得通make suremake sure确信确信be made from/of.be made from/of.由由制造制造即学即用即学即用(1)(1)这个医疗队由这个医疗队由1010名医生和名医生和6 6名护士组成。名护士组成。The medical team The medical team 10 10 doctors and 6 nurses.doctors and 6 nurses.(2)(2)玛丽要努力学习，才能把生病时落下的功课补上。玛丽要努力学习，才能把生病时落下的功课补上。Mary had to Mary had to she she missed in school when she was sick by missed in school when she was sick by studying very hard.studying very hard.is made up ofis made up ofmake up for the schoolworkmake up for the schoolwork297.watch over7.watch over It should also It should also my naughty my naughty niece,who comes to my house very often.niece,who comes to my house very often.(回归课本回归课本P P2424)观察思考观察思考 They were watched over by three policemen.They were watched over by three policemen.他们由三个警察看守着。他们由三个警察看守着。Im his best friend,and I will always Im his best friend,and I will always watch over him.watch over him.我是他最好的朋友，我会一直照看他的。我是他最好的朋友，我会一直照看他的。watch overwatch over30watch overwatch over意为：意为：。watch forwatch for留意，观察等待留意，观察等待watch out(for)watch out(for)警惕或注意；提防警惕或注意；提防keep(a)watch onkeep(a)watch on监视监视即学即用即学即用(1)(1)过街时，一定要当心交通。过街时，一定要当心交通。When you go across the street,you must When you go across the street,you must the traffic.the traffic.(2)(2)如果你不小心，你就会有麻烦。如果你不小心，你就会有麻烦。You will be in trouble if you dont You will be in trouble if you dont .看护，照看看护，照看watch out forwatch out forwatch outwatch out318.deal with8.deal with This means that it should clean the This means that it should clean the house,mop the floors,cook the dinner and house,mop the floors,cook the dinner and telephone calls.(telephone calls.(回归课本回归课本P P2424)观察思考观察思考 The man is easy to deal with.The man is easy to deal with.这个人容易打交道。这个人容易打交道。I dont know how to deal with the naughty I dont know how to deal with the naughty boys.boys.我不知道如何来对付这些淘气的男孩。我不知道如何来对付这些淘气的男孩。deal withdeal with32归纳总结归纳总结deal withdeal with意为：意为：。(1)deal with(1)deal with和和do withdo with都可表示都可表示“处理；对付处理；对付”，do withdo with常与连接代词常与连接代词whatwhat连用，而连用，而deal withdeal with常与常与连接副词连接副词howhow连用。连用。(2)deal with(2)deal with的意思较多，常表示的意思较多，常表示“对付，应付；对付，应付；处理；安排；论述；涉及；与处理；安排；论述；涉及；与交涉，交易交涉，交易”等。等。处理；安排；对付处理；安排；对付33即学即用即学即用（1 1）这是一本论述亚洲问题的书。）这是一本论述亚洲问题的书。This is a book This is a book Asian Asian problems.problems.（2 2）他们学会了和各种人打交道。）他们学会了和各种人打交道。They have learned to They have learned to all all sorts of people.sorts of people.dealing withdealing withdeal withdeal with349.with the help of9.with the help of After all,After all,my electronic my electronic brain which never forgets anything,using my brain which never forgets anything,using my intelligence is what Im all about intelligence is what Im all about！(回归课本回归课本P P2323)观察思考观察思考 She spoke with us with the help of an She spoke with us with the help of an interpreter.interpreter.她在翻译的帮助下与我们交谈。她在翻译的帮助下与我们交谈。I worked out the problem with the help of I worked out the problem with the help of my teacher.my teacher.在老师的帮助下我解出了这道题。在老师的帮助下我解出了这道题。with the help ofwith the help of35归纳总结归纳总结with the help ofwith the help of意为：意为：。(1)help sb.out(1)help sb.out帮助某人渡过难关帮助某人渡过难关/摆脱困境摆脱困境help sb.with