英语听力入门第一册第三单元

英语听力入门第一册第三单元
Unit 3
Net changes life (2)
Part 1 warming up
A.key words:
telegraph：电报机；电报
verb.
(1) To transmit (a message) by telegraph.
用电报机发送用电报机发送（信息）
(2) T o send or convey a message to (a recipient) by telegraph.
打电报给…用电报向（接收者）发送或传递信息
a wire cable: 电缆
radio program 广播节目
direct telephone calls 直拨电话communications satellite通讯卫星networks：网
（1）A system of lines or channels that cross or interconnect: 交通网相互交叉或连接的线路或水道：eg. a network of railroads铁路网
（2）A complex, interconnected group or system:复杂而相互作用的系统：
（3）An extended group of people with
similar interests or concerns who interact and remain in informal contact for mutual assistance or support.
人际网, 有共同爱好或兴趣，并互相作用保持非正式交往以获得多方面帮助或支持的群体
（4）A chain of radio or television broadcasting stations linked by wire or microwave relay.
广播网由线路或微波中转站连接的电台或电视台网络
vocabulary:
orbit:
The path of a celestial body or an artificial satellite as it revolves around another body.
运行轨道，天体绕另一天体或人造卫星绕一天体旋转所运行的轨道
Pennsylvania:
宾夕法尼亚州
From the beginning of human history, information traveled only as fast as the ship could sail, or horse could run, or a person could walk. People experimented with other ways to send messages. Now listen t some statements about a brief history of communications. Match the columns of time and events.
1.c
2.e
3.a
4.d
5.b
6.g
7.h
8.f
Tapescript
1.T he first telegraphs were delivered in Britain and the United States in 1830s. each letter of the alphabet and each number had to be sent separately by a device called a telegraph key.
2.O n Aug. 5th, 1858, the first message was transmitted by a wire cable under the Atlantic Ocean. This meant that information now took only a matter of hours to reach most large cities in the world.
3.O n November 2nd, 1920, radio station KDKA in Pittsburgh,
Pennsylvania broadcast the first radio program. Within a few short years, news ad information could be heard anywhere a radio broadcast could reach.
4.A fter World War II, a new invention appeared: television. In the industrial countries, television quickly became common in most homes.
5.I n the 1950s, two important events took place that greatly affected the communication of information. The first was a television broadcast that showed the east coast and the west coast of the United States at the same time. People could see two reporters talk each although they were separated by a continent.
6.T he other event happened on Sep. 25th, 1956. that was when the first telephone cable under the Atlantic Ocean made it possible to make direct telephone calls form the United States to Europe.
7.I n July 1962, the first communications satellite was placed in orbit around the earth. The speed of information again greatly increased.
8.T oday expects say there are about 300 million computers connected to networks that provide links with computers around the world.
B.key words:
American Online美国在线
Time Warner时代华纳
Media company媒体公司
vocabulary:
media
the newspapers, television and radio
Listen to a short passage about two famous companies. Write down every word you hear. The passage will be read to you
three times. During the first reading, which will be read at normal speed, listen and try to understand the meaning. For the second reading, the passage will be read sentence by sentence or phrase by phrase. Do the activity during the second reading.
Tapescript:
1. America Online is the largest provider of Internet service in the world.
2. It serves more than 20 million people worldwide.
3. Time Warner is the world’s largest media c ompany.
4. The company owns Time magazine, first published in 1923.
5. Time Warner publishes more than 30 magazines.
6. One hundred and twenty million people read them.
7. The company produces TV shows and films as well as recordings.
part 2 Net changes dorm life
key words:
high-speed Internet access高速上网
a top priority最优先做的事情
vocabulary:
merger: ['m?:d??]a joining together of two or more companies or firm; the act or an instance of merging; union.
合并，合并之行为或实例；联合envision想象; 预见; 展望
to see in the mind as a future possibility;
to picture in the mind; imagine
想像，脑海中的图象；想像
priority[prai'?riti something that needs attention and consideration before others; something afforded or deserving prior attention.
优先考虑的事或值得优先注意的事
Meager['mi:g?(r)]
Not enough in quantity; deficient in quantity, fullness, or extent; scanty.不足的，缺乏的在数量、程度或范围上缺乏的；不足的budget预算
a plan of how to spend money during a particular period or for a particular purpose
fraction
Mathematics 【数学】
An expression that indicates the quotient of two quantities.
分数
A small part; a bit:
一小部分；些微：
moved a fraction of a step.
移了一小步
A chemical component separated by fractionation.
分馏被分馏出的化学成分
bulk
the main or largest part
(1) Size, mass, or volume, especially when very large. 容积，体积大小、体积或容积，常指很大时
(2) A distinct mass or portion of matter, especially a large one:
大块，大量物体很明显的重量或部分，尤指一个大物体：
the dark bulk of buildings against the sky. 天空下的巨大建筑群
(4) The major portion or greater part: 主要部分, 或较大的部分：
toll
(1) A fixed charge or tax for a privilege, especially for passage across a bridge or along a road.
费用，通行费获得某种特权所要交的固定费用或税款，特别是为了通过一座桥梁或一条道路
(2) A charge for a service, such as a long-distance telephone
call.
服务费获得某种服务必须缴纳的费用，例如长途电话服务费
mow down
to destroy or knock down
杀死；摧毁；扫射
Our machine guns mowed them down like grass.
我们的机枪像割草似地把他们扫射倒。

simultaneously
Happening, existing, or done at the same time.
同时的, 同时发生的、存在的或做的
antiquated
Too old to be fashionable, suitable, or useful; outmoded.
过时的, 陈旧不时髦的，不合适的或无用的；
dining commons.
virtual house。