高中英语 2_Unit_3__Computers课件 新人教版必修2 课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 3 Computers,基础落实,.,高频单词思忆,1.The development of the steam engine was a,great,(,科技的,)advance.,2.I haven,t,(,计算,)the result of,the,maths,problem.,3.Life,(,完全地,)changed,when I went to college.,4.People will build a large,(,人造,的,)lake in the new park.,technological,calculated,totally/completely,artificial,5.Before going to,school,all,the children are,given an,(,智力,)test.,6.Difficulties will,a,as we do the work.,7.,P,I prefer to go to Beijing for,my holiday.,8.Do you know that football,c,who is,standing there?,9.,“,One,World,One,Dream,”,fully reflects the,essence(,实质,)and the,u,values,of the Olympic spirit.,10.The invention of the television caused a,r,in our daily life.,intelligence,rise,ersonally,oach,niversal,evolution,.,重点短语再现,1.,从,时起,2.,结果,3.,如此,以致于,4.,在某种程度上,5.,在,的帮助下,6.,处理；安排；对付,7.,看守；监视,8.,共有；共用,9.,弥补,10.,毕竟,from.on,as a result,so.that,in a way,with the help of,deal with,watch over,in common,make up,after all,.,典型句式运用,1.I developed very slowly and it took nearly,two hundred years before 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。,（,1,）,“,It took/was+,一段时间,+before,从句,”,是一个固定句型,意为,“2,）,before,用于这类句型时的结构还有：,It didn,t take/was long(,或一段时间,),before.,过了不久（一段时间）就,考点提炼,过了,后才,It will take/be long(,或一段时间,),before.,要过很久（一段时间）才,It won,t take/be long(,或一段时间,),before.,不久（一段时间后）就会,2.As time went,by,I,was made smaller.,随着时间,的推移，我被制造得越来越小。,句中的,as,是连词，引导,从句，,意为,“,”,或,“,”,。,表示,“,随着,”,时，也可以用,with,但,with,后只,接名词短语。,考点提炼,时间状语,一边,一边,随着,3.And my memory became so large that even I,couldn,t believe it!,我的记忆能力变得如此,巨大，甚至连我自己都不能相信！,so+,adj,./,adv,.+that,.,意为,“,”,，引导结果状语从句。,so that,引导,从句，相当于,in order,that,该从句中常用情态动词,may,might,can,could,will,would,和,should,。,考点提炼,如此,以致,目的状语,4.After,all,with,the help of my electronic,brain which never forgets,anything,using,my,intelligence is what I,m all about!,不管怎么,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。,with the help of my electronic,brain which never forgets anything,是状语，,说明主谓部分的伴随状况。在这个,with,短语中，,包含一个定语从句,修饰,my electronic brain,。,with the help of,意为,“,”,。,考点提炼which never forgets,anything,在,的帮助下,5.What,s,more,you,can use the Internet to,learn English.,而且，你还能利用因特网学英语。,What is more,意为,“,”,，常作,语，相当于,besides,或,furthermore,。,考点提炼,更重要的是；而,且,插入,导练互动,重点单词,1.calculate,I began as a,machine in France,in 1642.(,回归课本,P,18,),观察思考,Mary always calculates the cost of goods,before she buys them.,玛丽总是在买东西之前先估算好价钱。,calculating,Mr.Li,calculated that it would take him,three hours to get to Shenzhen.,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,hurt you.,昨天我说的话不是有意伤害你的。,归纳总结,calculate,。,calculate on/upon,指望；打算,It is calculated that.,据估算,be calculated to do,打算做；故意做,be calculated for,适合于,v,.,计算；打算；推测,即学即用,（,1,）这些广告旨在吸引年轻的单身消费者。,The advertisements,attract young single consumers.,（,2,）据估算，去年至少丧失了,47 000,个工作。,at least,47,000 jobs were lost last year.,are calculated to,It has been calculated that,2.anyhow,my goal is to provide humans with,a life of high quality.(,回归课本,P,18,),观察思考,I am not feeling quite well but I will,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。,His books were arranged anyhow on the floor.,他的书乱七八糟摊了一地。,Anyhow,归纳总结,anyhow,。,(1),“,无论如何，不管怎样，反正；尽管如此,”,，在,作此意解时，,anyway,和,anyhow,一样，都用作让步状,语，一般位于句中（其前常有连词,but,）或句末。,（,2,）,况且，更何况；再说；至少,”,，作此意解,时，,anyway,和,anyhow,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。,这时,anyhow,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,and,），而不可出现在句末。,（,3,）,“,粗心地；随意地,”,，在作此意解时，只能用,anyhow,。,adv,.,无论如何；不管怎么说；胡乱地,即学即用,（,1,）,Excuse,me,could,you tell me the way to,the British Museum?,Sorry,I,m,a stranger here.,.,A.Thanks,anyway,B.It,doesn,t matter,C.Never,mind,D.No,problem,解析,A.,不管怎样，还是要谢谢你。,B.,没关系。,C.,不要紧；不用担心。,D.,没问题。句意为：,打扰了，你能告诉我去大英博物馆的路,吗？,抱歉，我在这儿是个陌生人。,不,管怎样，还是要谢谢你。,A,（,2,）,I might,fail,but,I insist on doing,it,I,don,t mind.,A.however,B.anyhow,C.yet,D.meanwhile,B,3.arise,Then she prepares reliable moves to use if,a new situation,.(,回归课本,P,23,),观察思考,A new difficulty has arisen.,一项新的困难出现了。,I arose early in the morning.,我早上起得很早。,arises,归纳总结,arise,。,(1),作,“,呈现；出现；发生,”,之意时，主语多为以下,抽象名词：,argument/problem/quarrel/question/movement,。,（,2,）,arise from,由,而引起，由,而产生；,从,中产生。,vi,.,出现，发生；上升,易混辨异,arise,arouse,rise,raise,原形,过去式,过去分词,v,.-ing,arise,vi,.,出现；,发生；起因于,arose,arisen,arising,arouse,vt,.,唤醒，,激起,aroused,aroused,arousing,rise,vi,.,升起；起,身；增长；上升,rose,risen,rising,raise,vt,.,举起；唤,起；提高；饲养,raised,aised,raising,即学即用,(1),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,problems,.,(2),事故由粗心大意引起。,Accidents,carelessness.,have arisen,arise from,4.signal,For,example,I,have learned to,to,my,teammates in computer language to give me,the ball when I am open and have a good,shot for a goal.(,回归课本,P,23,),观察思考,Don,t fire until I signal.,等我发出信号后再开枪。,He,signalled,to the waiter for the bill.,他示意服务员结账。,A red light is a signal of danger.,红灯是危险的信号标志。,signal,归纳总结,signal,。,易混辨异,signal,sign,mark,symbol,(1)signal,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。,（,2,）,sign,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，如指示牌、卡片等，借喻作,“,征兆；迹象,”,讲。,The referee gave the sign to start the game.,裁判员给出开始比赛的信息。,vi,.&,vt,.,发信号；,n,.,信号,（,3mark,含义广泛，指事物留下的深刻印记，比,sign,更侧重于区别性或指示性的标志。,（,4,）,symbol,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。,The dove is the symbol of peace.,鸽子是和平的象征。,即学即用,（,1,）,The soldiers are hiding in the trees and,waiting for the,to start firing.,A.mark,B.signal,C.sign,D.symbol,解析,这里强调传达某些信息的信号，应用,signal,。,（,2,）,Rose is considered to be a,of love.,A.mark,B.signal,C.sign,D.symbol,解析,句意为：玫瑰被视为爱情的象征。,symbol,象征；符号。,B,D,重点短语与句型,5.in a way,our programmer is like our coach.,(,回归课本,P,23,),观察思考,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,一。,In a way,归纳总结,in a way,意为：,。,all the way,一路上；一直；完全,by way of,经由，途经,by the way,顺便说,in the way,妨碍；挡路,in this way,以这种方法,in no way,决不，无论如何都不,on the way,在途中,on one,s way(to).,在某人去,的途中；即将,成为,give way(to),让步，屈服,有几分；在某种程度上,即学即用,(1),竟然有这么多的人途经香港去国外，真让人吃惊。,It,s surprising that so many people,should go abroad,.,(2),我们决不能错过这个被派往国外深造的机会。,the chance that,someone will be sent abroad for further,education.,by way of Hong Kong,In no way can we miss,6.make up,In this way I can,new moves using,my,“,artificial,intelligence,”,.(,回归课本,P,23,),观察思考,A computer is made up of many different,parts.,电脑由许多不同的零件组成。,He is making up,stories.Don,t,trust him.,他在编故事。别信他。,She spent two hours making herself up,before the party.,她在参加聚会前用了两个小时化妆。,make up,归纳总结,make up,；,；和解，言归于好；,，,；弥补；把,补上。,make up for,sth,.,弥补；补偿,make for,朝某方向移动,make full/good/the best use of(=make the,most of),充分利用,make fun of,取笑；捉弄,make into,转变,make it,做成功,make one,s way,向,走去,组成,编出,化妆,打扮,make out,设法应付；活下来；过活；了解；辨认；,理解make sense,有意义；有道理；讲得通,make sure,确信,be made from/of.,由,制造,即学即用,(1),这个医疗队由,10,名医生和,6,名护士组成。,The medical team,10,doctors and 6 nurses.,(2),玛丽要努力学习，才能把生病时落下的功课补上。,Mary had to,she,missed in school when she was sick by,studying very hard.,is made up of,make up for the schoolwork,7.watch over,It should also,my naughty,niece,who,comes to my house very often.,(,回归课本,P,24,),观察思考,They were watched over by three policemen.,他们由三个警察看守着。,I,m his best,friend,and,I will always,watch over him.,我是他最好的朋友，我会一直照看他的。,watch over,watch over,意为：,。,watch for,留意，观察等待,watch out(for),警惕或注意；提防,keep(a)watch on,监视,即学即用,(1),过街时，一定要当心交通。,When you go across the,street,you,must,the traffic.,(2),如果你不小心，你就会有麻烦。,You will be in trouble if you don,t,.,看护，照看,watch out for,watch out,8.deal with,This means that it should clean the,house,mop,the,floors,cook,the dinner and,telephone calls.(,回归课本,P,24,),观察思考,The man is easy to deal with.,这个人容易打交道。,I don,t know how to deal with the naughty,boys.,我不知道如何来对付这些淘气的男孩。,deal with,归纳总结,deal with,意为：,。,(1)deal with,和,do with,都可表示,“,处理；对付,”,，,do with,常与连接代词,what,连用，而,deal with,常与,连接副词,how,连用。,(2)deal with,的意思较多，常表示,“,对付，应付；,处理；安排；论述；涉及；与,交涉，交易,”,等。,处理；安排；对付,即学即用,（,1,）这是一本论述亚洲问题的书。,This is a book,Asian,problems.,（,2,）他们学会了和各种人打交道。,They have learned to,all,sorts of people.,dealing with,deal with,9.with the help of,After all,my electronic,brain which never forgets,anything,using,my,intelligence is what I,m all about,！,(,回归课本,P,23,),观察思考,She spoke with us with the help of an,interpreter.,她在翻译的帮助下与我们交谈。,I worked out the problem with the help of,my teacher.,在老师的帮助下我解出了这道题。,with the help of,归纳总结,with the help of,意为：,。,(1)help,sb.out,帮助某人渡过难关,/,摆脱困境,help,sb.with,sth,.,帮助某人做某事,help(to)do,sth,.,帮着做某事,help oneself to,自用（食物）；擅自取用,(2)can,t help doing,sth,.,禁不住做某事,cannot help but do,sth,.,不得不做某事，只得做,某事,在,的帮助下,即学即用,（,1,）,She,(,不禁,琢磨着,)what he was thinking.,（,2,）,She stopped smoking,(,在,的帮助下,)her family and friends.,couldn,t help but wonder,with the help of,10.And my memory became so large that even,I couldn,t believe it!,我的存储容量变得,如此巨大，连我自己都不能相信！,典例体验,It was,loud a song,we couldn,t,hear ourselves.,(=It was such a loud song that we couldn,t,hear ourselves.),这首歌太吵了，我们都听不见自己的声音了。,It was,bad weather,he had to,stay at home.,so,that,such,that,天气很糟糕，他只好呆在家里。,Mr.White,got,little money a month,he could hardly keep body and soul together.,怀特先生每月赚的钱太少，几乎无法维护生活。,归纳总结,“,so.that.,”,可引导,从句。其中的,so,后跟,或,。如果修饰名词短语，要用,“,so+,形容词,+,a(an,)+,名词,”,的形式。此句型中的,so,用于句首时，,so,后面的部分要用,序，但,不用倒装。,so,that,时间状语,形容词,副词,倒装,that,后的从句,(1)not,so+,adj,./,adv,.(as.),（不像,）这,么,It didn,t take so long as we expected.,时间没像我们预料的那么久。,I haven,t enjoyed myself so much for a long,time.,我很长时间没有这么高兴过了。,(2)so+,adj,./,adv,.+as to do,太,以致于,She was so kind as to phone for a taxi for me.,她很热心，打电话为我叫了一辆出租车。,How could you be so stupid as to believe him?,你怎么这么笨，竟相信他的话？,易混辨异,so.that,，,such.that,(1)so.that,有时可以与,such.that,互相替换，但,such,所修饰的名词必须是一个单数可数名词，且该,名词前还带有表性质的形容词，即由,“,so+,形容词,+a/an+,单数名词,”,转化为,“,such a/an+,形容词,+,单数名,词,”,。,(2)如果是不可数名词或复数可数名词，则只能用,such,，不能用,so,修饰。,(3),如果名词前有,many,few,much,little,等表示数量,的形容词修饰，则要用,so,而不用,such,，构成,so,many,so,much,so,little,so,few,的形式。,即学即用,(1),that Marie was able to set up new,branches elsewhere.,A.So,successful her business was,B.So,successful was her business,C.So,her business was successful,D.So,was her successful business,解析,本题考查倒装。,so+,adj,./,adv,.,置于句首，,其主句需用部分倒装。,(2)They are,(,孩子们太小以致于他们不能,)clean,the house by themselves.,such little children that they,cannot,B,11.She programs us with all the possible,moves she has seen while watching human,games.,她把观看人类比赛时所看到的一切可能,的动作编入我们的程序。,典例体验,I,ll go abroad to,study.,可能的话，我将去国外学习。,Do not talk,.,吃饭时不要讲话。,If(it is)possible,while eating,归纳总结,本句中的,while watching.,是,“,”,作时间状语。,when,while,whenever,before,after,until,till,和,if,unless,though,等引导的,和,状语从句，,当从句的主语与主句的主语一致且从句谓语动词是,be,的某种形式时，从句的,和,可以省,略，即用,“,连词,+,分词短语,”,结构来代替从句。当从,句为,“,连词,+it,is+adj,.,”,时，也常将,省略掉。,连词+分词短语,时间,条件,主语,系动词,be,it is,即学即用,(1),除非收到邀请，否则我是不会去参加她的聚会的。,I won,t go to her party,.,(2),如果有必要的话，我明天来。,I,ll come tomorrow.,unless(I am),invited,If(it is)necessary,1.,利用派生法，品句填词,(1)Though the old man usually,what he,should,do,he,never,his,honor.(forget,),(2)The novel had interested him and,him,but,his mother,s blame for reading,the novel made him,.(satisfy),(3)Although I was,to get more,information,she,was,unable,or,to give me any further,details.(will,),forgets,forgets,unforgettable,satisfied,unsatisfied,willing,unwilling,品味构词,串联扩展,前缀,动 词,后缀,形 容 词,un-,comfort,安慰,-,able,不舒服的,accept,接受,不能接受的,answer,回答,无法回答的,avoid,避免,不可避免的,bear,容忍,不能容忍的,account,解释,难以说明的,uncomfortable,unacceptable,unanswerable,unavoidable,unbearable,unaccountable,2.,利用派生法，品句填词,(1)The entire,it,seemed,was,watching,and,news on TV.,(nation),(2)He is just the,we need for the,job.Of,course,this,is a,opinionperson),(3)After spending a,week in,Paris,he,suddenly appeared in London as if by,.(magic),nation,national,international,person,personal,magical,magic,串联扩展,名词,后缀,形容词,technique,技术,-,al,技能的，技巧的,electricity,电,用电的，电的,election,选举,economy,经济,经济的，实惠的,editor,编辑,编辑的，主编的,education,教育,technical,electrical,electoral,economical,editorial,educational,有关选举的,有教育意义的,考题回扣,【,例,1,】The loss has not yet been,accurately,but,it is believed to be well,beyond a hundred million dollars.,（湖北高考）,A.calculated,B.considered,C.completed,D.controlled,解析,calculate,此处意为,“,计算,”,。句意为：损,失还没有确切地计算出来，但人们相信它将远远,超出一亿美元。,consider,考虑；complete,完成；,结束；,control,控制，三者均不符合句意。,A,课文原文,I began as a,machine in France,in 1642.,【,例,2,】Usually John would be late for,meetings.But,this time,to my,surprise,he,arrived on time.(,辽宁高考,),A.little,B.much,C.ever,D.even,calculating,解析,句意为：约翰开会通常会迟到，但这一次，,令我非常吃惊的是，他按时到会了。修饰,“,to,one,s+,情感名词,”,用副词,much,。,答案,B,课文原文,Over time my memory has developed so,that,like,an,elephant,I,never forget anything,I have been told!,much,【,例,3,】Jenny nearly missed the flight,doing too much shopping.(,全国,高考,),A.as,a result of,B.on,top of,C.in,front of,D.in,need of,解析,句意为：由于买了太多的东西，,Jenny,差,点误了航班。,as a result of,由于,的结果，,on top of,在,顶部；,in front of,在,前,面；,in need of,需要，由句意知,A,项正确。,课文原文,I totally changed my shape.,As a result,A,【,例,4,】,How amazing it is that astronauts,are exploring outer space!,It,s a,challenge,I,guess,man,against nature.(,福建高考,),A.of,B.for,C.by,D.about,解析,解答本题的关键是去掉插入语,I guess,故,原句就为,It,s a challenge of man against,nature.,。,课文原文,About once a year we are allowed to get,together to play a game,football.,of,A,【,例,5,】Mary went to the box office at lunch,time,but,all the tickets,out.,（上海高考）,A.would,sell,B.had,sold,C.have,sold,D.was,selling,解析,玛丽去售票处是一个过去的动作，而票全,部售完发生在玛丽去售票处之前，因此是,“,过去,的过去,”,，故用过去完成时。,课文原文,They,a new type of program,just before the competition.,had developed,B,自主检测,.,品句填词,1.Many of the students take their c,into the classroom to help them do some,maths,work,which,is not preferred by the,teachers.,2.Once he was considered to be,s,for he couldn,t work out the simplest,numbers.,3.Robots can also be called a,intelligence.,4.Everything has its advantages and,d,.,alculators,imple,-minded,rtificial,isadvantages,5.A good,c,when facing difficulties is,to stay calm.,6.,P,I disagree with you on your,plan.,7.I need some,m,to make a dress.,8.Once he was the,c,of our football,team.,9.It,s dangerous for a young lady w,in the street late at night.,10.Use your,b,and you will have a way.,hoice,ersonally,aterials,oach,andering,rain,.,短语运用,1.Saying you are sorry won,t,the,damage of breaking the vase.,2.The doctors and nurses,the,seriously wounded worker day and night.,3.Every week they,and compared,notes.,4.I think we should work out a strategy to,this situation.,watch,over,after,all,go,by,in,a,way,in,common,with,the help,of,get,together,make,up,deal,with,as,a result,make up,watched over,got together,deal with,5.They helped each other in studies and,they made great progress,and became good friends.,6.,the,computer,it,is now,easy to deal with and share information.,7.They are,friends,but,they have little,.,8.The work is well done,.,9.With time,computers are becoming,more and more popular.,10.Don,t get discouraged by,setbacks;we,are,new to the work,.,as a result,With the help of,in common,in a way,going by,after all,.,完成句子,1.,(,随时可能出现,事故,),which requires the police to be on,duty all the day time.,2.She,(,沿着公路徘徊,),not knowing what to do and,where to go.,3.You have to,(,作出选择,),whether to accept the job or not.,4.,(,从某种程度上看,),our programmer,is like our coach.,5.And