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StepbyStep2000 第一册 Unit 2 net changes

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Unit 2 net changes life

Part one warming up

A 、key words: e—mail message addresses ? Queen Elizabeth the Second ? e-mail accounts ?

Vocabulary: crash coordinate1 account ? main

You are going to hear some important days in e-mai history. Supply the missing days and words.

Great days in e-mail history

October 1969, ? are you ? computer says professor sent the first e-mail message to a colleague in Stanford? The computer probably crashes.

March 1972 , ?Thompsom altered the first e-mail software , chose the upside? for addresses. I got the first, so I got to choose the any situation I wanted.

February 1976, Queen Elizabeth the Second becomes the first head of state to send the e-mail message.

Fall 1976, ? of ? used e-mail everyday joining the company to cope with ? trouble schedules. The single message costs 4 US dollars to send.

September 1983, ? college in ? becomes one of the first institutions of higher education to send e-mail accounts to all the students.

December 1994, a wide disliked e-mail ? warning the reading ? e-mail entitled good times will raise the hard drive and destroy your processor.

December 1998, in the moving you get a mail, a celebration of e-mail romance ? the sharp round of the corner on-line, the originally moving the sharp of the corner were shown in 1997.

B\ key words: information super-highway shorthand abbreviations

Vocabulary: tacky zoom2 decode3 standby make the wrongs

Listen to a short talk about the abbreviations used on the internet. What these abbreviations mean? Write down the four meaning.

One future of the information super-highway is that the traffic travels fast and ? used on special shorthand decay? messages ? along. Today we will help you decode ? talk by answering some not so frequently asked questions about the abbreviations on the internet. What does it mean when the message includes the letters AISI or IMHO? AISI stands for “as I say it” and IMHO be shorthand for “ in my humble4 opinion”. ?Some focus were also add SWIW before shining the opinion with stands for “for what’s worse”. Others express disproval with the letters CMIIW that is “correct me if I’m wrong”. The latest commonly abbreviated5 phases on the net is nearly and less. As matter of fact AAMOF stands for “ as a matter of fact” and “ believe if or not “ gets post as BION. Other any pre informations ? abbreviations still make the wrongs in this high-tech6 era. You bet. The old stand-bys FRIMIOB and SOP7 which stands for “for your information” “mind your own business” and standed up reading procedure are still frequently used today, even in e-mail. Since times getting short, has the next given us truly short and clear ways to say goodbye? Try TAFN that offers now and BCNU.

C、kry words: ? world wide web

Vocabulary: primitive8

You are going to hear some statements. Each statement will be followed by a wh- word. Write down the relevant segments according to the wh-word. For example if you hear the boy is looking for his mother. Whom? Just write down the words—his mother.

? is the man who wrote the software program-the later foundation of the world wide web. Who?

In the 1980s scientists were already communicating using a primitive version of e-mail. When?

In 1990 ? wrote programs which formed the basis of the world wide web. When?

In 1991 his programs were played onto the internet. Where?

Between 1991 and 1994 the number of web pages rose from ten to 100,000. how many?

Right now the world is focused on e-commerce. What?

The invention of the web brings rapidly words the people with imagination and new ideas. To whom?

Part 2 network

Key words: connection systems broadcasting television computers relations

Vocabulary: costly9

Listen to a report about the word network. Supply the explanation for the word.

New things in this world change as fast as languages. Everyday, new words are created to deal with new ideas or new technologies. New meanings also are added to existing words. A dictionary published years ago may show one or two meanings for a word; a dictionary published today may list several more meanings for the same word.

Network is one such word. It combines two words. The first is “net” it means materials that are connected; The second is work. One meaning of work is a system. Network means a connection of systems that work together. The systems the network connect can be very different. For example radio and television stations can be connected in the network. So can computers and even people.

Word expert Milford Matthew found written uses of the word network in the late 1800s. The word then was used as a verb a word that shows action. At that time network means the connection of railroad or other vehicles used for travel. One publication said it is only a question of time when the railroad will network an area of the American west called the pan-handle. Another publication at that time said the complete areas are networked by trolley10 train, which are a kind of electric train.

Now we often hear network used in connection with broadcasting. The Barnhart Dictionary of New English says as early as 1914 people used it to mean a connected system of radio station. This meaning continues to be popular. A more modern use of the word network is linked to computers. A network is the system that links the number of computers together. Network make it possible for people who use computers to share information in costly equipment. Many companies and government agencies share the same computer network. The computers are linked through a main computer or through special lines. Some people are able to do their job from their home computers.

Computers network also permit an exchange of unofficial information and discussion between computer user. By ranking their computers telephone people can buy goods through their computers. They can send messages to friends in many countries.

Another modern use of the word network concerns relations between people. Ideas and information are exchanged by people in network to share interests and goals. Many Americans network to get better job or to meet new friends. Meeting new friends by networking is not work through is fun.

B 、 now listen again. Focus on the original use and modern use of the word network. Supply the missing information.


点击收听单词发音收听单词发音  

1 coordinate oohzt     
adj.同等的,协调的;n.同等者;vt.协作,协调
参考例句:
  • You must coordinate what you said with what you did.你必须使你的言行一致。
  • Maybe we can coordinate the relation of them.或许我们可以调和他们之间的关系。
2 zoom VenzWT     
n.急速上升;v.突然扩大,急速上升
参考例句:
  • The airplane's zoom carried it above the clouds.飞机的陡直上升使它飞到云层之上。
  • I live near an airport and the zoom of passing planes can be heard night and day.我住在一个飞机场附近,昼夜都能听到飞机飞过的嗡嗡声。
3 decode WxYxg     
vt.译(码),解(码)
参考例句:
  • All he had to do was decode it and pass it over.他需要做的就是将它破译然后转给他人。
  • The secret documents were intercepted and decoded.机密文件遭截获并被破译。
4 humble ddjzU     
adj.谦卑的,恭顺的;地位低下的;v.降低,贬低
参考例句:
  • In my humble opinion,he will win the election.依我拙见,他将在选举中获胜。
  • Defeat and failure make people humble.挫折与失败会使人谦卑。
5 abbreviated 32a218f05db198fc10c9206836aaa17a     
adj. 简短的,省略的 动词abbreviate的过去式和过去分词
参考例句:
  • He abbreviated so much that it was hard to understand his article. 他的文章缩写词使用太多,令人费解。
  • The United States of America is commonly abbreviated to U.S.A.. 美利坚合众国常被缩略为U.S.A.。
6 high-tech high-tech     
adj.高科技的
参考例句:
  • The economy is in the upswing which makes high-tech services in more demand too.经济在蓬勃发展,这就使对高科技服务的需求量也在加大。
  • The quest of a cure for disease with high-tech has never ceased. 人们希望运用高科技治疗疾病的追求从未停止过。
7 sop WFfyt     
n.湿透的东西,懦夫;v.浸,泡,浸湿
参考例句:
  • I used a mop to sop up the spilled water.我用拖把把泼出的水擦干。
  • The playground was a mere sop.操场很湿。
8 primitive vSwz0     
adj.原始的;简单的;n.原(始)人,原始事物
参考例句:
  • It is a primitive instinct to flee a place of danger.逃离危险的地方是一种原始本能。
  • His book describes the march of the civilization of a primitive society.他的著作描述了一个原始社会的开化过程。
9 costly 7zXxh     
adj.昂贵的,价值高的,豪华的
参考例句:
  • It must be very costly to keep up a house like this.维修这么一幢房子一定很昂贵。
  • This dictionary is very useful,only it is a bit costly.这本词典很有用,左不过贵了些。
10 trolley YUjzG     
n.手推车,台车;无轨电车;有轨电车
参考例句:
  • The waiter had brought the sweet trolley.侍者已经推来了甜食推车。
  • In a library,books are moved on a trolley.在图书馆,书籍是放在台车上搬动的。
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