1、Unit 3Computers话 题 导 读你肯定经常接触到 www 这三个字母，它代表什么，是什么意思，你了解吗？下面就让我们一起来看看吧！If you watch TV,visit the mall,or do anything at all,youll have chances to see the three famous letters,WWW!So what does it stand for?What does it all mean?Well,in general,WWW stands for“World Wide Web”.Most people confuse the In
2、ternet with the World Wide Web.However,there is a difference.The Internet is made up of thousands of computers that are connected worldwide.WWW or World Wide Web,is what your computer uses to check out the Internet.For example,your computer uses browsers，such as Internet Explorer orNetscape(网景浏览器)to
3、 let you see and hear all the cool pictures,information,music and sounds on the Internet.There are three things you need to surf the World Wide Web.First,you must have a computer that has a modem.A modem is like a telephone,which allows your computer to dial and connect to the Internet.Second,your c
4、omputer must have a browser!An example of a browser would be Internet Explorer or Netscape.The browser allows you to see the information and graphics on the Internet.Third,you must have an Internet Service Provider.This is known as an ISP(网络服务提供商).The most commonly used ISPs are companies like AOL,E
5、arthlink(地球连线),Compuserve(计算机服务).In order to connect to the Internet,you have to pay for the service.Just like if you have cable TV,your parents have to pay for it.In order to connect to the Internet you have to pay.Usually,this will cost you$1995 a month.Section Warming Up&Prereading&ReadingCompreh
6、ending练读文 记词汇 学翻译1 教材助读先读通WHO AM I？Over time I have been changed quite a lot.I began as a calculating machine in France in 1642Although I was young I could simplify difficult sums.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babb
7、age.After I was programmed by an operator who used cards with holes,I could“think”logicallyand produce an answer quicker than any person.At that time it was considered a technological revolution and the start of my“artificial intelligence”In 1936 my real father,Alan Turing,wrote a book about how I c
8、ould be made to work as a“universal machine”to solve any difficult mathematical problem.From then on，I grew rapidly both in size and in brainpower.By the 1940s I had grown as large as a room，and I wondered if I would grow any larger.However,this reality also worried my designers.As time went by，I wa
9、s made smaller.First as a PC(personalcomputer)and then as a laptop,I have been used in offices and homes since the 1970s.These changes only became possible as my memory improved.First it was stored in tubes，then on transistors21 and later on very small chips.As a result22 I totally23 changed my shap
10、e.As I have grown older I have also grown smaller.Over time my memory has developed so much that，like an elephant，I never forget anything I have been told24！And my memory became so large that even I couldnt believe it！But I was always so lonely standing there by myself，until in the early 1960s they
11、gave me a family connected by a network 25.I was able to share my knowledge with others through the World Wide Web26.Since the 1970s many new applications27 have been found for me.I have become very important in communication,finance28and trade.I have also been put into robots and used to make mobil
12、e29 phones as well as30 help with medical operations.I have even been put into space rockets31 and sent to explore32 the Moon and Mars.Anyhow33，my goal34 is to provide humans with a life of high quality35.I am now truly filled with happiness36that I am a devoted friend37 and helper of the human race
13、38！再记住over time 经过漫长的时间；随着时间的推移，在句中作状语，句子用现在完成时。calculate/klkjlet/vt.计算calculator/klkjlet/n.C计算器calculation nU计算simplify/smplfa/vt.简化sum/sm/n.总数；算术题；金额a sum of money 一笔钱此句使用了固定句式：It takes时间段before.“过了多久才”。program v编写程序 n(计算机)程序programmer/prrm/n.程序员；程序师operator/pret/n.(电脑)操作员；接线员logically/ldkl/adv.逻辑
14、上；合逻辑地；有条理地logical/ldkl/adj.合逻辑的；合情理的technological/teknldkl/adj.科技的technology/teknld/n.工艺；科技；技术revolution/revlun/n.革命technological revolution 技术革命artificial/tfl/adj.人造的；假的intelligence/Inteldns/n.智力；聪明；智能artificial intelligence 人工智能solve/slv/vt.解决；解答mathematical/mmtkl/adj.数学的how 引导宾语从句；to solve.为不定式短
15、语作目的状语。from.on 从时起“by过去时间”作状语，句子通常用过去完成时。any 为程度副词，修饰比较级。reality/rlt/n.真实；事实；现实in reality 事实上；实际上as 引导时间状语从句。personal/psnl/adj.私人的；个人的；亲自的personally/psnl/adv.就个人而言；亲自tube/tjub/n.管；管子；电子管21 transistor/trnzst/n.晶体管22 as a result 结果23 totally/ttl/adv.完全地；整个地total/ttl/adj.总的；整个的 n.总数；合计24 so.that.“如此以至于
16、”，引导结果状语从句；like an elephant 作方式状语；I have been told 为 anything 的定语从句。25 network/netwk/n.网络；网状物standing there.为现在分词短语作伴随状语；until 引导时间状语从句；connected by.为过去分词短语作定语。26 web/web/n.网27 application/plken/n.应用；用途；申请28 finance/fanns/n.金融；财经，financial adj.金融的；财经的29 mobile/mbal/adj.可移动的；机动的30 as well as 也；又(连接并列
17、结构)31 rocket/rkt/n.火箭32 explore/kspl/vt.&vi.探索；探测；探究33 anyhow/enha/adv.(也作 anyway)无论如何；即使如此34 goal/l/n.目标；目的；球门；(进球)得分35 动词不定式短语在句中作表语。36 happiness/hpns/n.幸福；快乐37 a devoted friend 一个忠实的朋友38 human race 人类再翻译我是谁？经过一段时间我已经被改变了很多。1642 年我在法国诞生时是一台计算机器。尽管当时我很年轻，但是我能简化一些复杂的数学题。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
18、一台分析机。在操作员用穿孔卡为我设计程序后，我能够进行逻辑“思考”，并且能够比任何人更快地算出答案。那时这被当作一次技术革命，也是我“人工智能”的开始。在 1936 年，我真正的父亲艾伦图灵写了一本书，讲述了怎样使我成为一台“通用机器”来解决任何数学难题。从那时起，我在体积和脑容量方面迅速成长。到 20 世纪 40 年代，我已经长得像一间屋子那么大，我不知道是否还会长得更大。但是，这个现实也使得我的设计者很担心。随着时间的推移，我被做得更小了。自 20 世纪 70 年代以来，我一直被用在办公室和家庭里，先是用作个人电脑，后来又做成便携式电脑。这些变化只有随着我的存储能力的不断提高才成为可能。最
19、初是被存储到电子管中，以后是晶体管上，后来是非常小的芯片上。因此，我已经完全改变了我的形状。随着我的年龄越来越大，我也变得越来越小。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，我从来不会忘记被告知的任何事情！我的存储容量变得如此巨大，连我自己都不能相信！但是我总是孤孤单单地站在那里，直到 20 世纪 60 年代初，他们才给了我一个用网络连接的家庭。我能够通过万维网和其他人分享我的知识。从 20 世纪 70 年代起，我又被开发出了很多新的用途。我在通信、金融和贸易领域变得非常重要。我还被放在机器人里面，被用来制作移动电话，并且用来帮助做医疗手术。我甚至还被放置在航空火箭里去探测
20、月球和火星。不管怎样，我的目标是给人类提供高质量的生活。现在我充满了幸福，因为我是人类忠实的朋友和助手！通语篇 学理解 重分析2语篇理解.Read the text and match the main idea of the paragraphs.1Para.1 AThese changes only became possible as my memory improved.2Para.2 BSince the 1970s many new applications have been found for me.3Para.3 COver time I have been changed
21、quite a lot.答案：13 CAB.Read the text carefully and choose the best answers according to the text.1When did the computer come into being?A1640B1642C1822D1936答案：B2Who really invented the computer?ACharles Babbage.BBill Gates.CAlan Turing.DThomas Edison.答案：C3Which of the following statements is TRUE?ACh
22、arles Babbage built an analytical machine in 1642BAlan Turing wrote a book about how the computer could be made to work as a“universal machine”to solve any difficult mathematical problem in 1936CThe computers were first connected by a network in the late 1960s.DSince the 1960s the computer has been
23、used to help with medical operations.答案：B4What can we infer from the text?AThe computer can take the place of humans.BThe smaller a computer is,the faster it calculates.CComputers can solve all the problems of human beings.DPeople can benefit more from computers in the future.答案：D.Analyze the follow
24、ing difficult sentences in the text.1I developed very slowly and it took nearly two hundredyears before I was built as an analytical machine by Charles Babbage.分析I developed very slowly and it took nearly two.并列分句一并列分句二before I was built as an analytical machine by.before 引导的翻译 我发育缓慢，差不多到了两百年之后，查尔斯巴
25、比奇才把我制成了一台分析机。并列连词时间状语从句2In 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.分析In 1936 my real father，Alan Turing,wrote a book主语 同位语 谓语 宾语about how I could be made to work as a.about 的to solve any diffic
26、ult mathematical problem.不定式作翻译 在 1936 年，我真正的父亲艾伦图灵写了一本书，讲述了怎样使我成为一台“通用机器”来解决任何数学难题。宾语从句目的状语时间状语3Over time my memory has developed so much that,like an elephant,I never forget anything I have been told!分析 句中 so.that.引导；like an elephant 为介词短语作；I have been told 为省略关系词的，修饰 anything。翻译 随着时间的推移，我的记忆能力发展得
27、如此之快，就像一头大象一样，我从来不会忘记被告知的任何事情！结果状语从句方式状语定语从句4But I was always so lonely standing there by myself,until in the early 1960s they gave me a family connected by a network.分析 本句中 standing there by myself 为 v.-ing 形式作。until 引导时间；connected by a network为过去分词短语作。翻译 但是我总是孤孤单单地站在那里，直到 20 世纪 60年代初，他们才给了我一个用网络连接的家庭。伴随状语状语从句后置定语
