课件22张PPT。How can we acquire the latest news?mediaTelevisionRadioNewspaperMagazineInternet①②③④⑤⑥Introduction1. monitor
2. screen
3. mouse
4. CD-ROM
5. keyboard
6. hard disk
screenmonitoris the part of the computer that looks like a televisionthe part of monitor that you look atkeyboardthe part of computer that you type onmouseSomething you use to click on thingsdisk
disc光驱hard discP51 ?Look at the following words,
do you know their meaning?access
click on/at
crash/breakdown
download/ upload
email / e-zine
hardware
Internet / intranet
keyword/ passwordn. 通路,接近(用鼠标)点击(计算机)崩溃下载/上传电子邮件/电子杂志硬件因特网/内联网密码用户名user nameLook at the following words,
do you know their meaning?log on/off log in/out
modem
personal computer (PC)
software
store = save
surf
website/webpage(modulator and demodulator)(freeware/shareware)登陆/注销 登入/登出调制解调器个人电脑软件(免费/共享软件)储存/保存(信息)surf the net/Internet网上冲浪网站/网页Page51 ? Now answer the questions about other
possible meanings of the words.
1 Which word means both
to look at different websites on the Internet?
(b) to ride big ocean waves?
2 Which word can you use to describe both
an accident in a car?
(b) A computer breakdown?
3 Which word is both
a verb meaning to save information on your computer
(b) a noun meaning a place where you can buy thingssurfcrashstore4 what’s the difference between the verb and noun meanings of the word log?
5 what is the difference between computer hardware and computer software?A log is a piece of a cut down tree;
To log on means to start work on a computer.Hardware is the tangible(有形的,实体的) pieces of equipment;
Software is the programs one uses on the computer.Listen to the tape and answer the questions:
What is the Internet?
How did it start?
What is the World Wide Web?
Who invented the World Wide Web?Read the passage quickly and finish doing
? and ? on Page 53.Read for Further InformationWhat is the world wide web?
It is a computer network that allows computer users to access information from millions of websites via the Internet.
Who invented it?
An English scientist named Tim Berners-Lee
When was it invented?
In 1991
What is the inventor of the world wide web doing now?
He now works as a lecturer at Massachusetts institute of technology in Boston
Accessible adj. 易接近的
Our principal is accessible to the students.
Access n.
means of entering; entrance.
Access to the resort(度假胜地) is quite easy.
这个度假胜地很容易到达。
easy of access Language points:Consist of 由…组成,由…构成
The club consists of more than 200 members.
Consist in something (not in progressive forms) : depend on (在于,存在于)
The beauty of Venice consists in the style of its ancient buildings.威尼斯之美在于其古建筑的风格。
Consist with 与…一致; 相符
他言行不一。
His action does not consist with his words.
millions of
thousands of
hundreds of
scores of
dozens of The U.S. Defense ARPA
ARPA:
Advanced Research Projects Agency
高级研究计划局几百万的成千上万的成百上千的几十,很多成打的,许多的Develop
vt & vi 使发达;使发展;使发育
He believes that sport can developed mind and body.
常用词组
develop the habit of doing something
养成作……的习惯
develop an interest in something
培养对……的兴趣It be /become +adj.+ for sb./sth. to do sth.
It is important for
the students to
learn English well.常用形容词有:important, necessary, possible, impossible, unusual, popularBe known as :作为…而出名
George is known as a famous singer.
Be known for 因……而出名
The place is known for its fruit, especially its seedless grapes.
Be known to 被……所熟知
It is known to us all that theory comes from practice.Via prep. by way of
He sent me a letter via one of my friends.
At the moment 此刻
At any moment 在任何时候
For the moment 目前,暂时
For a moment 片刻,一会儿
At the last moment在紧要关头
Go down 下降
(太阳,月亮) 落下 The sun is going down.
价格下跌 Price don’t seem to be going down.
退烧 I’m glad your temperature has gone down.Rise vi. 升起,提高,上涨(不跟宾语)
The sun rises in the east.
Raise vt. 提高,抬起(必须跟宾语)
The student raised his hand to answer the teacher’s question.Come up with 赶上;提出,提供
We shall have to work hard to come up with him.
I hope you can come up with a better plan than this.as prep. 作为;如同
His talents as a film actor were soon recognized.
作为演员,他的天赋很快得到了赏识。