Unit 4 The Telecommunications Revolution
I Language points
1. telecommunication n. 电信，电讯
——the technology of nding signals, images and messages over long distances by radio, television, satellite, etc.
e.g. telecommunications links/networks/operators 远程通信链路/网络/操作员
tele-（构成名词、动词形容词和副词）远距离的，远的
——over a long distance, far
e.g. telepathy 传心术 telescopic 望远的
2. revolution
1 革命—— an attempt, by a large number of people, to change the government of a counbone>七年级上册英语期中考试卷
try, especially by violent action
e.g. a bourgeois/socialist revolution 资产阶级/社会主义革命
the outbreak of the French Revolution in 1789 1789年法国大革命的爆发
a country on the brink of revolution 即将发生革命的国家
2 巨变，大变革——a great change in conditions, ways of working, beliefs, etc. that affects large number of people
e.g. a cultural/social/scientific revolution 文化的/社会的/科学的重大变革
A revolution in information technology is taking place. 信息技术正在发生巨变。
reform v. 改革，改进，改良
——to improve a system, an organization, a law, etc. by making changes to it
e.g. proposals to reform the social curity system 改革社会保险体制的建议
The law needs to be reformed. 法律需要进行改革。
3. ⑴ trans- （构成动词）进入（另一地方），成为（另一状态）
——into another place or state
e.g. transplant 移植 transform 转变 transport 运输，运送
⑵ transform v.
①使改变形态——to change the form of something SYN: CONVERT
e.g. The photochemical reactions transform the light into electrical impuls. 光化学反应使光变成电脉冲。
②使改变外观或性质，使改观——to completely change the appearance or character of sth, especially so that it is better.
e.g. A new color scheme will transform your bedroom. 新的色彩调配将使你的卧室焕然一新。
It was an event that would transform my life. 那是能够彻底改变我一生的一件事。
⑶ transformation n.（彻底的）变化，改观，转变，改革
——a complete change in sb/sth
e.g. The way in which we work has undergone a complete transformation in the past decade. 在过去的十年里，我们的工作方式发生了彻底的变革。
The country’s transformation from dictatorship to democracy 这个国家由独裁到民主的转变
What a transformation! You look great. 真是判若两人！你看上去真神气。
gmat考试时间4. boost v. 使增长，使兴旺
——to make sth increa, or become better or more successful
abacke.g. to boost exports/profits 增加出口，提高利润
The movie helped boost her screen career. 那部电影有助于她的银幕生涯的发展。
ssq
to boost sb’s confidence/morale 增强某人的信心/士气
Getting that job did a lot to boost his ego (=make him feel more confident). 得到那份工作使他信心倍增。
5. occur v. 发生，出现
——to happen
e.g. Something unexpected occurred. 发生了一件出乎意料的事。
occur to sb 被想到，出现在头脑中
——(of an idea or a thought) to come into your mind
e.g. The idea occurred to him in a dream. 这个主意是他在梦中想到的。
It didn’t occur to him that his wife was having an affair. 他没有想到自己的妻子有婚外情。
It didn’t occur to her to ask for help. 她没想到请别人帮忙。
6. that until recently were deaf and dumb
that will let them promote both internal and foreign investment
Places are rapidly acquiring up-to-date telecommunications battleland
number one for me⑴ acquire v.
①（通过努力、能力、行为表现）获得，得到
——to gain sth by your own efforts, ability or behaviour
e.g. She has acquired a good knowledge of English. 她英语应经学的很好。
He has acquired a reputation for dishonesty. 他得到了奸诈的名声。
I have recently acquired a taste for olives. 我最近开始喜欢吃橄榄了。
② 购得，获得，得到—— to obtain sth by buying or being given it
e.g. The company has just acquired new premis. 公司刚购得新办公楼。
I’ve suddenly acquired a stepbrother. 我突然有了一个继兄弟。
an acquired taste 养成的爱好
——a thing that you do not like much at first but gradually learn to like
e.g. Abstract art is an acquired taste. 要慢慢培养才会欣赏抽象艺术。
⑵ up-to-date adj. 现代的，最新的，时髦的，新式的
——modern, fashionable
casting e.g. up-to-date clothes 时髦服装 up-to-date equipment/methods 最新的设备/方法
pdg
Our computers are bang up to date. 我们的电脑是最先进的。（bang adv.正好，完全地——completely, exactly）
7. utility n.公用事业
——(especially AmE) a rvice provided for the public, for example an electricity, water or gas supply
e.g. the administration of public utilities 公共事业的管理
8. optical fibre (BrE) (AmE optical fiber) 光导纤维，光纤
——a thin glass thread through which light can be transmitted (=nt)
optical adj. provisional光读取的，光存储的
——(computing 计)using light for reading or storing information
e.g. optical storage 光存储器 an optical disk 光盘
9. diameter n.直径
e.g. the diameter of a tree trunk 树干的直径
The dome is 42.3 metres in diameter. 这个穹顶直径为42.3米。
