L51新概念英語第三冊

1、Lesson 51 Lesson 51 Predicting the futurePredicting the future 1. What did computers look like in the 1970s? 2. Where could they be seen? 1、notoriously adv.(尤指因壞事)總所周知地 notorious adj. be for -This place is for poverty. be famous for be well-known fornotoriously difficult / harmful _ is notoriously d

2、angerous. Drink-driving _ is notorious for_ Terror attack / terrorism infamous 2、mainframe n.主機(jī) mainboard 主板 monitor 顯示器 memory 內(nèi)存 CPU（Central Processing Unit） interface 界面 folder 文件夾 DOS 操作系統(tǒng)（Disk Operating System） WWW. 萬維網(wǎng) （World Wide Web） user-friendly eco-friendly a reader-friendly novel a consu

3、mer-friendly policy 3、-ian librarian electrician musician mathematician 4、software n.軟件 Microsoft design 殺毒軟件 anti-virus hardware 5、multimedia adj.多媒體的 equipment multi- 多 multicultural 多種文化的 multilingual 多種語言的 multilateral 多邊的 multinational 多國的 multi-purpose multi-function 6、alternative adj. 選擇的；非傳統(tǒng)

4、的 n.替換物 energy 替代能源 lifestyle 另類的生活方式 混： alternate adj.輪流交替的 -He works on days . -他工作一天休息一天。 v.交替，輪流 with study with play 學(xué)會(huì)兒，玩會(huì)兒 an alternative way to do sth choice. have no alternative 7、diagnose v.診斷 as/ with as benign / malignant diagnosis n.診斷結(jié)果 The doctor diagnosed the illness as influenza. 8、

5、relieve v. 1）減輕，減少 the pain/ stress/ burden sb. of pain /stress/ burden 2) 換班，換崗 ones duty/ post 解除職位 relief n. relieve sb of sth earthquake/ hunger relief clerical staff clerical error clerk Text: Q： What was the future electronic development that Leon Bagrit wasnt able to foresee? （L1）Predicting t

6、he future is notoriously difficult. Who could have imagined, in the mid 1970s, for example, that by the end of the 20th century, computers would be as common in peoples homes as TV sets? No one could have imagined Predicting natural disasters is _. Who _, on May 12th, 2008, for example, a magnitude

7、8.0 earthquake struck Sichuan and claimed a great many lives? Text: （L4） In the 1970s, computers were common enough, but only in big business, government departments, and large organizations. These were the so-called mainframe machines. Text: （L7）Mainframe computers were very large indeed, often occ

8、upying whole air-conditioned rooms, employing full-time technicians and run on specially-written software. Text: （L8）Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs. be taken over=be replaced or PC, as

9、it has come to be known （L9）function 1）n.功能，作用 -Each part has a different . v.起作用，運(yùn)轉(zhuǎn) -The drug help his heart to normally again. adj. functional2)n.函數(shù)odds 3)宴會(huì)-He fall in love with her at the first sight at a social . （L9）PC （Personal Compute） “電腦”： home computer 家用 desktop 臺式 laptop 筆記本 palmtop 掌上

10、penputer 筆觸式 teleputer 電視電腦 Tablet ipad （L10） In 1975, a primitive machine called the Altair, was launched in the USA. It can properly be described as the first home computer and it pointed the way to the future. be launched=be introduced point the way to=indicate/ direct the way to It marked the pr

11、elude to the era of information. （L12）. This was followed, at the end of the 1970s, by a machine called an Apple. （L12） In the early 1980s, the computer giant, IBM produced the worlds first Personal Computer. This ran on an operating system called DOS, produced by a then small company named Microsof

12、t. The IBM Personal Computer was widely copied. giant adj.巨大的 n.巨人；才智超群的人 panda 大熊貓 -Franklin is a giant of man. -富蘭克林是一位偉人。 同： enormous/ tremendous / immense （L14）From those humble beginnings, we have seen the development of the user-friendly home computers and multimedia machines which are in comm

13、on use today. humble/ obscure beginnings （L14）humble adj. 謙遜的；卑賤的；v.使卑下 -The more noble the more humble. -結(jié)實(shí)愈豐者，其穗愈低。 In my opinion 依我愚見 -She was born of parentage. -她出身卑賤。 （L16）Considering how recent these developments are, it is even more remarkable that as long ago as the 1960s, an Englishman, Le

14、on Bagrit, was able to predict some of the uses of computers which we know today. （L18）Bagrit dismissed the idea that computers would learn to think for themselves and would rule the world, which people liked to believe in those days. dismiss=abandon （L19）Bagrit foresaw a time when computers would b

15、e small enough to hold in the hand, when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitive clerica

16、l work. All these computer uses have become commonplace. commonplace adj.普通的 n.尋常的，平庸的東西 A occurrence 司空見慣的事 -Phones have become in early years. common sense -She hasnt an ounce of . -她一點(diǎn)常識也沒有。 The year 2050 would be a time when, when., when, whenclothes would adjust themselves to the temperature we

17、 would feed on health pills to absorb nutrition and energy houses would withstand all kinds of disasters we would travel by high speed transportation means fueled by eco-friendly energy. China is a place where, where, where. five thousand years of history and culture have developed a high level of m

18、odernization emerges prosperity of the whole nation will be attained make sense 有道理 -It would make sense to leave early. -早點(diǎn)離開是明智的。 - Can you make sense of this poem? -你看得懂這首詩嗎? （L23）Of course, Leon Bagrit could not possibly have foreseen the development of the Internet, the worldwide system that en

19、ables us to communicate instantly with anyone in any part of the world by using computers linked to telephone networks. （L25）Nor could he have foreseen how we could use the Internet to obtain information on every known subject, so we can read it on a screen in our homes and even print it as well if

20、we want to. Computers have become smaller and smaller, more and more powerful and cheaper and cheaper. Sth predicted by Bagrit Sth Bagrit failed to foresee worldwide system, communicate computer, telephone networks obtain information on every known subject by clicking the mouse and typing in the key

21、 words （L28）This is what makes Leon Bagrits predictions particularly remarkable. If he, or someone like him, were alive today, he might be able to tell us what to expect in the next fifty years. - (L23) Leon Bagrit could not possibly have foreseen the development of the Internet.-（L28-29) If he, or someone like him, were alive today, he