高中英语 Unit 3 Computers Section Ⅰ Warming Up,Pre reading,ReadingComprehending课件 新人教版必修2 课件.ppt

单击此处编辑标题,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,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,词海拾贝,难句剖析,理解诱思,【文章导语】,Computers,are,playing,an,important,part,in,our,daily,life,so,we,should,know,about,some,words,about,computers.This,text,tells,you,a,few,computer,words.,电脑在我们的日常生活中起着重要的作用,因此我们应该了解一些电脑词语。这篇文章会告诉你几个电脑词语。,词海拾贝,难句剖析,理解诱思,Computer technology has become a major part of peoples,lives.This,technology has its own special,words.One,example is the word“,mouse”.A,computer mouse is not a small animal that lives in buildings and open,fields.It,is a small,device,that you move around on a flat surface in front of a,computer.The,mouse moves the,cursor,on the computer screen.,词海拾贝,难句剖析,理解诱思,Computer expert Douglas,Engelbart,developed the idea for the mouse in the early 1960s.The first computer mouse was a,carved,block of wood with two metal,wheels.It,was called a mouse because it had a tail at one,end.The,tail was the wire that connected it to the computer.,Using a computer takes some,training.People,who are experts are sometimes called,hackers,.A hacker is usually a person who writes software programs in a special computer,language.But,the word“hacker”is also used to describe a person who tries to steal information from computer systems.,词海拾贝,难句剖析,理解诱思,Another well known computer word is,Google.It,is the name of a popular,search,engine,for the,Internet.People,use the search engine to find information about almost any subject on the,Internet.The,people who started the company named it Google because in,mathematics,googol,spelled,g-o-o-g-o-l,is,an extremely large,number.It,is the number one followed by one hundred zeros.,When you“Google”a,subject,you,can get a large amount of information about,it.Some,people like to“Google”their friends or themselves to see how many times their name appears on the Internet.,词海拾贝,难句剖析,理解诱思,译文,:,电脑技术已经成了人们生活的主要部分。这种技术有它自己的独特用词。单词,“,鼠标,”,就是一个例子。电脑的鼠标不是一种生活在建筑物和开阔的田野里的小动物。它是一种小型装置,你在电脑前的一个扁平物体的表面来移动它。鼠标移动电脑屏幕上光标。,电脑专家道格拉斯,恩格尔巴特在,20,世纪,60,年代早期产生了鼠标的想法。第一个电脑鼠标是一块有两个金属轮子雕刻的木板。它因为末端有一根尾巴而被称作鼠标。这根尾巴就是那根把鼠标和电脑连在一起的线。,使用电脑需要一些培训。那些精通电脑的人有时被称作黑客。黑客通常是一个会用电脑语言来编写软件程序的人。但是,“,黑客,”,这个词也被来描述一个试图从电脑系统窃取信息的人。,词海拾贝,难句剖析,理解诱思,另外一个为人们所熟知的电脑单词是谷歌。它是一个受欢迎的网上搜索引擎的名字。人们使用这个搜索引擎来找到关于互联网几乎所有的主题的信息。创办这家公司的人们把它命名为谷歌,是因为在数学上,googol,是一个天文数字,是,1,后面跟着,100,个,0,。,当你,“,谷歌,”,一个主题时,你可以获得大量的关于它的信息。有些人喜欢,“,谷歌,”,他们的朋友和他们自己,看一看他们的名字在互联网上出现过多少次。,词海拾贝,难句剖析,理解诱思,device/,d,I,vaIs,/,n.,装置,;,设备,cursor,/,k,s,(r)/,n,.,光标,carve/,k,v/,vt,.,雕刻,hacker,/,hk,(r,)/,n.,黑客,search engine,n.,搜索引擎,词海拾贝,难句剖析,理解诱思,A hacker is usually a person who writes software programs in a special computer language.,译文,:,黑客通常是一个会用电脑语言来编写软件程序的人。,剖析,:,本句是一个复合句,其中,who,引导的是一个定语从句,修饰,a,person,。词海拾贝,难句剖析,理解诱思,1,.Do you want to be a hacker?What kind of hacker do you want to be?,2,.What do you think of the development of computer technology?,3,.What is the main idea of the second paragraph?,A.Douglas,Engelbart,was a great inventor.,B.The,first mouse was made from wood.,C.How,the first computer mouse was invented.,D.Why,the mouse has a tail.,答案,:,Different students have different answers.,答案,:,Different students have different answers.,答案,:,C,Section,Warming,Up,Pre-reading,Reading,&Comprehending,一,二,三,四,五,六,七,一、写作词汇,预习,Reading,部分的词汇,完成下列小对话或语篇。,1,.The river near our village is being polluted.,Something must be done to,(,解决,)the problem.,2,.What do you think of the plan?,(,就个人而言,),its not a good one.,3,.He is kind to others.,Thats right.,(,结果,),others are kind to him.,4,.Many people think being rich is,(,幸福,).,But I dont think so.,solve,Personally,As a result,happiness,一,二,三,四,五,六七,5,.Li,Hua,is a college student and works,(,如此努力为的是,)he can become a,scientist.When,he was a,child,he,became interested in science.,(,从那时起,)he did his best to learn about,science.His,(,目标,)is to fly to Mars and,(,探索,),it.Though,he faces different kinds of difficulty,(,无论如何,)he does what he can to make his dream come true.,so hard that,From then on,goal,explore,anyhow,一,二,三,四,五,六,七,二、阅读词汇,预习,Reading,部分的词汇,写出画线部分的汉语意思。,导学号,02000024,With the development of,technology,1.,laptops,2.,enter our,lives.They,can help us,calculate,3.,some difficult,mathematical,4.,problems.More,and more people have their own,websites,5.,where they can do what they want to do.,科技,手提电脑,计算,数学的,网络,/,网站,一,二,三,四,五,六,七,三、你对电脑了解多少呢,?,请和同学们讨论,然后说出电脑的用途。,First:,Second:,Third:,Fourth:,.,答案,:,略,一,二,三,四,五,六,七,四、单词、词组翻译,1,.,人类,2,.,如此,以至于,3,.,从,时起,4,.,结果,5,.,解决,6,.,探索,;,探测,;,探究,human race,so.that,from.on,as a result,solve,explore,一,二,三,四,五,六,七,五、阅读,WHO,AM,I,?,回答下列问题,1,.When was the computer the biggest?,A.In,1642.,B.In,1936.,C.In,the 1940s.,D.In,the 1970s.,答案,:,C,一,二,三,四,五,六,七,2,.Which of the following statements is right?,A.The,first form of the computer appeared as a calculating machine in France in 1642.,B.The,analytical machine was invented by Turing in 1822.,C.Computers,have been used as a means of communication around the world since the 1960s.,D.Computers,havent been put into space rockets and used to explore the Moon and Mars.,答案,:,A,一,二,三,四,五,六,七,3,.According to the description in the,text,computers,will bein the future.,A.bigger,and,bigger,faster,and faster,B.smaller,and smaller but slower,C.more,and more advanced,D.almost,the same as those today,答案,:,C,一,二,三,四,五,六,七,六、阅读课文,填写下面表格,Who Am I?,calculating,simplify,analytical,artificial intelligence,quicker,universal,solve,一,二,三,四,五,六,七,size,network,share,applications,communication,一,二,三,四,五,六,七,七、课文填空,按照课文的内容和句子结构的语法性,在空格处填入一个适当的词或使用括号中词语的正确形式填空。,导学号,02000025,Im a,computer.It,took nearly two hundred years,I was built as a,machine.Young,as I,was,I,could,(simple)difficult,sums.After,I was put into,use,it,was considered a,(technology),revolution.By,the 1940s I had grown as large as a,room,and,this reality also,(worry)my,designers.As,time went,I was made smaller and smaller.,before,simplify,technological,worried,by,一,二,三,四,五,六,七,Later on I,(total)changed my,shapes.Over,time my memory has developed so much,I never forget anything I have been,told.But,I was always so lonely standing there by,myself,until,in the early 1960s I was connected by a network.,the 1970s many new,(apply)have been found for,me.I,have become very important,communication,finance,and,trade.Im,now truly a good friend of the human race.,totally,that,Since,applications,in,1,2,3,4,5,6,7,8,9,10,11,1.In,pairs,discuss,what,they,have,in,common.,(,P17,),两人一组讨论它们有什么共同之处。,剖析,:,本句是一个祈使句。祈使句是用来表达命令或请求的句子,它还用来表示禁止、许可或任何其他类的劝告,是用来要求别人做什么或不做什么的句子。常以动词原形开头,省略句子的主语,You,。如,:,Open your books please.,请打开你们的书。,考点,:,have,(,sth,),in,common,有,共同之处,The two sisters,have,nothing,in,common,.,这两姐妹没有共同之处。,The two schools,have,a lot,in,common,.,这两所学校有许多相似之处。,1,2,3,4,5,6,7,8,9,10,11,考点延伸,阅读下列句子,指出,common,的词组及意义。,In,common,with many other,girls,she,likes new clothes.,和许多其他女孩一样,她也喜欢新衣服。,词组,:,in common with,意义,:,和,相同,The two,neighbours,own the parking lot in,common,.,这两个邻居共同拥有这个停车场。,词组,:,in common,意义,:,共有,【高考典句】,(2014,北京高考,)Use your,common,sense.,运用你的常识。,词组,:,common sense,意义,:,常识,1,2,3,4,5,6,7,8,9,10,11,知识卡片,have,nothing,in,common,没有共同之处,have,a,lot,in,common,有许多共同之处,in,common,with,和,相同,in,common,共用,common,sense,常识,1,2,3,4,5,6,7,8,9,10,11,3),他和很多其他男孩一样喜欢足球。,many other,boys,he,likes football.,答案,:,1)with,2)have in common,3)In common with,1,2,3,4,5,6,7,8,9,10,11,2.calculating,machine,(,P17,),计算机,考点,:,calculate,vt.,计算,;,预测,【高考典句】,(2015,四川高考,)To,calculate,just how much mothers would earn from that,labour,it,suggested some of the roles that mums could take,on,including,housekeeper,part,-time,lawyer,personal,trainer and entertainer.,为了计算妈妈们从那种劳动中会挣多少钱,它表明了一些妈妈能够承担的一些角色,包括管家、兼职律师、私人教练和表演者。,【高考典句】,(2013,湖南高考,)Only now are organizations beginning to wake up to these lost opportunities and,calculate,the financial implications.,只有到现在这些组织才开始意识到这些失去的机会,并预测所涉及的财务影响。,1,2,3,4,5,6,7,8,9,10,11,考点延伸,1),阅读下列句子,指出黑体词的词性及含义。,The machine will read out the result of the,calculation,.,机器将读出计算结果。,词性,:,名词,含义,:,计算,;,推测,The,calculator,was damaged,accidentally,and,we needed to buy a new one.,这个计算器意外地被弄坏了,我们需要买一个新的。,词性,:,名词,含义,:,计算器,1,2,3,4,5,6,7,8,9,10,11,2),阅读下列句子,指出,calculate,与,count,的不同用法。,I do not see how one can,calculate,the time.,我看不出一个人怎么能算出时间来。,calculate“,计算,/,预测,”,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,up to ten before you open your eyes.,你数到十再睁开眼睛。,count“,数数,”,指逐个数过而得出总数。,知识卡片,calculation,n,.,计算,;,推测,calculator,n,.,计算器,1,2,3,4,5,6,7,8,9,10,11,完成句子,2),老师算出了全班的平均分。,the average marks of the class.,3),预计两天后完成这项工作。,the work will be finished in two days.,答案,:,1)calculated,2)The teacher calculated,3)It is calculated that,1,2,3,4,5,6,7,8,9,10,11,3.Although,I,was,young,I,could,simplify,difficult,sums.,(,P18,),尽管我很年轻,但我能简化一些复杂的数额。,剖析,:,本句是一个复合句,Although,引导的是一个让步状语从句,意为,“,虽然,但是,”,不能用,but,连用。如,:,Although,he is a,Canadian,he,likes China very much.,虽然他是一个加拿大人,但他非常喜欢中国。,1,2,3,4,5,6,7,8,9,10,11,考点一,:,simplify,vt.,简化,;,使简易,【高考典句】,(2013,湖北高考,)While intelligent people can often,simplify,the,complex,a,fool is more likely to complicate the simple.,聪明的人往往可以使复杂的事情简单化,而傻瓜则更有可能使简单的事情复杂化。,This also helps us,simplify,our design.,这也帮助我们简化我们的设计。,Try to,simplify,your explanation for the children.,设法让你的解释简易一些,让孩子们能听懂。,1,2,3,4,5,6,7,8,9,10,11,考点延伸,1),阅读下列句子,指出,simplify,的词性及含义。,The program could,simplify,further.,该程序还可以进一步地简化。,词性,:,不及物动词,含义,:,变简单,/,简化,2),阅读下列句子,指出黑体词的词性及含义。,【高考典句】,(2013,浙江高考,)You will then find yourself well along on your journey to,simplification,.,接着你会发现自己在通往简单化的进程中进展顺利。,词性,:,名词,含义,:,简化,1,2,3,4,5,6,7,8,9,10,11,【高考典句】,(2014,湖北高考,)First consider something as,simple,as sleep.,首先把一些事情看得像睡觉一样简单。,词性,:,形容词,含义,:,简单的,;,简易的,【高考典句】,(2014,课标全国高考,)Staying with a native speaker is better for children than,simply,sitting in a classroom.,对于孩子们来说,与说本族语的人待在一起要比仅仅坐在教室里更好。,词性,:,副词,含义,:,简单地,Do you enjoy your,simplified,life?,你喜欢你简化了的生活吗,?,词性,:,形容词,含义,:,简化的,1,2,3,4,5,6,7,8,9,10,11,知识卡片,simplification,n,.,简化,simple,adj,.,简单的,;,简易的,simply,adv,.,简单地,simplified,adj,.,简化的,考点二,:,sum,n.,总数,总计,(与,of,连用,);,金额,;,款项,When you add all the figures,together,the,sum,is 125.,你把这些数字都加起来,总数就是,125,。,1,2,3,4,5,6,7,8,9,10,11,考点延伸,阅读下列句子,指出黑体词的词组及意义。,11In,sum,the,course is clear.,总而言之,这个过程是清晰的。,词组,:,in sum,意义,:,总之,/,总而言之,12Can I just,sum,up what weve agreed so far?,我可否就我们目前已经达成的共识作个概括,?,词组,:,sum up,意义,:概括,;,合计,13Your marks,sum,up to 508.,你的分数总计为,508,分。,词组,:,sum up to,意义,:,总计为,14This big house cost him a large,sum,of money.,这所大房子花了他一大笔钱。,词组,:,a large sum of,意义,:,一大笔,;,大量的,1,2,3,4,5,6,7,8,9,10,11,知识卡片,in,sum,总之,总而言之,sum,up,概括,;,合计,sum,up,to,总计为,a,large,sum,of,一大笔,大量的,1,2,3,4,5,6,7,8,9,10,11,1,2,3,45,6,7,8,9,10,11,完成句子,8)3,与,5,的总和是,8,。,three and five is eight.,9),我希望利用这次机会简化我的生活。,I hope to use this chance to,.,答案,:,1)a,2)up,3)simplification,4)simply,5)simplify,6)simplified,7)simplify,8)The sum of,9)simplify my life,1,2,3,4,5,6,7,8,9,10,11,4.I,developed,very,slowly,and,it,took,nearly,two,hundred,years,before,I,was,built,as,an,analytical,machine,by,Charles,Babbage.,(,P18,),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。,剖析,: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.,他花了两年的时间才完成了这项任务。,It took him half an hour before he came to life.,半个小时后他才苏醒过来。,It will be a week before we meet again.,一周后我们还会再见面的。,1,2,3,4,5,6,7,8,9,10,11,考点延伸,阅读下列句子,指出,before,的不同含义。,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。,含义,:,还没来得及,就,Youd better write them down,before,you forget.,趁着还没忘记,你最好把它们写下来。,含义,:,趁着还没,He had hardly gone to bed,before,the door bell rang.,他刚刚睡下,门铃就响了。,含义,:,一,就,1,2,3,4,5,6,7,8,9,10,11,5)The earliest telephones were not popular and,(,过了很长一段时间,)people began to hire or buy them.,答案,:,1)before,2)is,3)gets,4)It takes several years,5)it took a long time before,1,2,3,4,5,6,7,8,9,10,11,5.In,1936,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,),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。,剖析,:,本句中的,how,I,could,be,made,to,work.,是介词,about,后的宾语从句。动词不定式短语,to,work,as,a,“universal,machine”,作从句中的主语,I,的补足语,;,动词不定式短语,to,solve,any,difficult,mathematical,problem,作目的状语。如,:,We were thinking about,whether,we would be seen,to,enter,the building,to,save,the child.,我们正在考虑是否有人看着我们进入那座建筑物去救那个孩子。,1,2,3,4,5,6,7,8,9,10,11,考点,:,solve,vt.,解决,;,解答,【高考典句】,(2013,天津高考,)We need to get to the root of the problem before we cansolve,it.,在我们解决问题之前,我们必须弄清问题的根源。,So far nobody in our class can,solve,the math problem.,至今我们班没人能解答这道数学题。,考点延伸,1),阅读下列句子,指出黑体词的词性及含义。,He arrived at the,solution,by a simple process of deduction.,他通过一番简单的推理得出了解决问题的方法。,词性,:,名词,含义,:,解决,1,2,3,4,5,6,7,8,9,10,11,2),辨析,solve,和,settle,的不同用法。,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。,3),翻译句子。,Most of the problems were,solved,at the,meeting,but,two were left hanging in the air.,翻译,:,大多数问题在会议上得到了解决,但还有两个问题悬而未决。,They,settled,the dispute in a friendly way.,翻译,:,他们以友好的方式解决了这一争端。,1,2,3,4,5,6,7,8,9,10,11,1,2,3,4,5,6,7,8,9,10,11,1,2,3,4,5,6,7,8,9,10,11,5,6,1,2,3,4,7,8,9,10,11,6.From,then,on,I,grew,rapidly,both,in,size,and,in,brainpower.,(,P18,),从那时起,我的体积和智力都在迅速成长。,考点,:,from,then,on,从那时起,【高考典句】,(2015,江苏高考,)The stories of his unconventional ideas and the exceptional patients he wrote about were so amazing to me and had such a big impact on how I saw life,from,then,on,.,那些想法新奇的故事和书中所描写的非凡的病人令我非常惊奇,对我之后的人生态度有着深远的影响。,5,6,1,2,3,4,7,8,9,10,11,考点延伸,1),阅读下列句子,指出黑体词组的意义。,I wont take any more of your sauce,from,now,on,.,从现在开始,我不会再忍受你那些无礼顶撞的话了。,意义,:,从现在起,From,today/tomorrow,on,we,will learn a new book.,从今天,/,明天起,我们将学习一本新书。,意义,:,从今天,/,明天起,2),阅读下列句子,指出,from then on,与,since then,的不同用法。,From,then,on,they became firm friends.,从那时起,他们成了好朋友。,from then on“,从那时起,”,所在句子常用,一般过去,时态。,5,6,1,2,3,4,7,8,9,10,11,【高考典句】,(2014,课标全国高考,),Since,then,for all these yearswe have been allowing tomatoes to self-seed where they please.,从那以后,多年来,我们一直允许西红柿在它们喜欢的地方自我繁殖。,since then“,自从,以来,”,所在句子常用,现在完成,时态。,知识卡片,from,now,on,从现在起,from,today,on,从今天起,from,tomorrow,on,从明天起,since,then,从那时起,5,6,1,2,3,4,7,8,9,10,11,5,6,1,2,3,4,7,8,9,10,11,6,7,5,1,2,3,4,8,9,10,11,7.As,time,went,by,I,was,made,smaller.,(,P18,),随着时间的推移,我被做得更小了。,考点一,:,as,conj.,随着,剖析,:as,引导的是一个时间状语从句,其含义是,“,随着,”,。,As,time,went,by,可以用,With,time,going,by,替换。如,:,【高考典句】,(2015,安徽高考,),As,Internet users become more dependent on the Internet to store,information,are,people remembering less?,随着互联网用户更加依赖互联网来储存信息,人们记的东西少了吗,?,6,7,51,2,3,4,8,9,10,11,考点延伸,阅读下列句子,指出,as,的用法。,【高考典句】,(2015,安徽高考,)Just,as,I got to the school,gate,I,realized I had left my book in the cafe.,就在我到校门口时,我意识到把书落在了咖啡馆。,用法,:as,作为从属连词,引导,时间状语,从句,意为,“,当,的时候,”,。,【高考典句】,(2015,江苏高考,)The number of,smokers,as,is,reported,has,dropped by 17 percent in just one year.,正如所报道的,吸烟者的数量在仅仅一年中下降了百分之十七。,用法,:as,作为关系代词,引导,非限制性定语,从句,意为,“,正如,/,如同,”,。,A child,as,he,is,he,knows how to operate the machine.,尽管他是个小孩,他知道如何操作那台机器。,用法,:as,作为从属连词,引导,让步状语,从句,意为,“,虽然,/,尽管,”,。,6,7,5,1,2,3,4,8,9,10,11,They talked with each other,as,they walked along the street.,他们一边沿着街道走,一边谈话。,用法,:as,作为