内容正文:
Unit
3
Our digital lives
6
Focusing on culture
A computer is any machine that can be programmed with a set of instructions.
that can be... 定从
program (programme) v.
为计算机编写程序;预调;设置
You can program the thermostat(恒温器) to adjust(调节) the room temperature according to different times of the day.
n. 程序;计划;节目
Don’t close the program while it’s saving your files.
a set of instructions 一套指令
The story of computer
1837
In Britain, the first machine with a program was designed by Charles Babbage and his student Ada Lovelace.
was designed 被设计(被动语态)
design v. 设计;构思
She designed a special gift for her mother’s birthday.
This course is designed to improve your English writing skills.
n. 设计;布局;安排
This phone has a good design, both in appearance and function.
Charles wanted a machine to add up big numbers, but Ada realized that a computer program could do a lot more. She was the first computer programmer.
add up 把...加起来
realize v. 意识到
She didn’t realize she had made a mistake until he pointed it out.
v. 实现
He finally realized his dream of becoming a doctor.
programmer n. 程序员
1936
British scientist Alan Turing read Ada’s ideas and created the Turing machine, the basic design of a computer system.
idea 想法;理念
Turing maching 图灵机
basic design 基础设计
basic adj. 基础的
base v. 以...为基础
She based her novel on her own childhood experiences.
basis n. 基础(抽象)
We should make decisions on the basis of facts.
The Turing machine could do all kinds of calculations, and it could also run different programs. This is the basis for all modern computers.
all kinds of 各种各样
calculation n. 计算;运算
The engineer did some complex calculations to design the bridge.
calculate v. 计算;估计
We need to calculate the total cost of the project.
run v. 运行;操作(程序)
1940s
Scientists built early computers in England and Germany. They were the size of a room!
the size of... ...的大小;与...一样大
The box is the size of a small table.
1971
Ted Hoff was the main inventor of the microprocessor, or “microchip”.
the main inventor of... ...的主要发明者
microprocessor n. 微处理器
microchip n. 微芯片
This was a major breakthrough in the history of computers. Thanks to the microchip, computers and other electronic devices got faster and smaller very quickly.
major adj. 主要的;重要的
The major reason for his success is hard work.
n. 主修科目;专业
Her major is computer science.
v. 主修;专攻
She majored in English during college.
This was a major breakthrough in the history of computers. Thanks to the microchip, computers and other electronic devices got faster and smaller very quickly.
breakthrough n. 突破;重大进展
The new discovery is a major breakthrough in medical science.
in the history of 在...的历史中
1981
A US company designed the first PC (personal computer) for the general public. Experts didn’t believe that anybody wanted a computer at home. But in two years they sold thousands of them.
personal computer 个人电脑
general public 普通大众
that +宾从
1990s-present
Smartphones -phones with computer software-arrived! Today’s smartphones can connect to the internet and run all kinds of different apps-in other words, they are small computers.
arrive v. 新产品问世
connect to 连接到;与...相连
in other words 换句话说
He is very thrifty(节俭的), in other words, he doesn’t like spending money.
The arrival of smartphones has started a new era in digital technology. Expressions such as “Wi-Fi”, “download” and “app” have become part of our daily lives.
the arrival of... ...的到来
The arrival of spring makes the world more beautiful.
start a new era 开创一个新时代
The new electric car starts a new era of green travel.
digital technology 数码技术
become part of 成为...的一部分
daily lives 日常生活
The future
Computer technology continues to develop. Some computers will be tiny--perhaps we will even have computers in our clothes.
continue to develop 持续发展
tiny adj. 极小的
Scientists believe that quantum computers will be the next big breakthrough. They will be many times faster than today’s computers, and much more powerful.
quantum/ˈkwɒntəm/ computer 量子计算机
many times faster 快许多倍
The new car is many times faster than the old one.
In May 2021, Chinese researchers built a powerful quantum computer called Zuchongzhi. Quantum computers are a new type of computer. They make calculations with the help of quantum mechanics.
called 被叫作...
a new type of ... 一种新型的...
make calculations 进行计算
with the help of 在...的帮助下
quantum mechanics 量子力学
Thanks
Julia English
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