义务教育教科书英语七年级上册

自主学习

什么是Internet?

Internet的最早起源于美国国防部高级研究计划署DARPA（Defence Advanced Research Projects Agency）的前身ARPAnet，该网于1969年投入使用。由此， ARPAnet成为现代计算机网络诞生的标志。Internet是计算机交互网络的简称，又称网间网。它是利用通信设备和线路将全世界上不同地理位置的功能相对独立的数以千万计的计算机系统互连起来，以功能完善的网络软件（网络通信协议、网络操作系统等）实现网络资源共享和信息交换的数据通信网。

1. 读一读P54的内容，在文中找到并理解以下短语：

all over the world ________________ different kinds of __________________

get -----from---- ________________ millions of _______________________

type in a keyword __________________in the 1960s _______________________

the history of football __________________ World Cup_____________________

（二）合作探究

1. People can get different kinds of information from it. 意思是_________________ a kind of car 一种小汽车 ,一种动物____________

2. There are millions of websites on the Internet.

millions of 数百万的--- 你还学过类似的短语吗？试着写几个吧！

成百上千的_________________ 成千上万的_________________

我们不能说two millions of ---- 所以像millions of 这类词前 ______(能/不能)用确切数词修饰。

（三）达标检测：

一．选择题

( ) 1. I don’t like this coat. Would you please show me ________.

A. other B. the other C. the others D. another

( ) 2. The earth goes ________ the sun.

A. over B. across C. from D. around

( ) 3. My clock doesn’t ________. Can you mend it for me?

A. more B. walk C. use D. work

( ) 4. Jack, with his friends, _________ see Mr. Li tomorrow.

A. is going to B. are going to C. go to D. will goes

( ) 5. After he heard the _________ news, he was very __________.

A. surprised, surprising B. surprised, surprised

C. surprising, surprising D. surprising, surprised

二． 判断正（T）误（F）：

( ) 1. The Internet is an international computer network.

( ) 2. We can get different kinds of information from our computers.

( ) 3. There are millions of websites on the Internet.

( ) 4. There is a little information on each website.

( ) 5. To find the information we need. We can use search

engines, which help us find information quickly and easily

三．课外阅读

What is Internet, do you know? The Internet is a net work. It uses the telephone to join millions of computers together all over the world.

Maybe that doesn’t sound very interesting. But when you join to the Internet, there are lots of things to do. You can send e-mails to your friends, and they get them in a few seconds. You can also do with all kinds of information on the world wide web (www).

There are lots of places for you to go into the Internet.

For example, your school may have the Internet. You can use it during lessons or free time. Libraries often have computers joined to the Internet. You are welcome to use it at any time. Thanks to the Internet, it is possible for you to work at home with a computer in front, getting and sending the information you need. You can buy and sell whatever you want by the Internet. But do you know 98% of the information of the Internet is in English? So what will English be like tomorrow?

( ) 1. What is the passage mainly about?

A. Internet. B. information. C. Computers.D. E-mails.

( ) 2. Which is the quickest and cheapest way to send messages

to your friends?

A. By post. B. By telephone. C. By e-mail. D. By mobile phone.

( ) 3. Which may be the most possible place for people to work

in tomorrow?

A. In the office. B. In the company C. At home. D. At school.

( ) 4. Who’s the owner of the Internet?

A. The principal. B. The officer.

C. The policeman. D. No one.

( ) 5. What does the writer try to tell us with the last two sentences?

A. English is important in using the Internet.

B. The Internet is more and more popular.

C. Most of the information is in English.

Every computer must know the Internet.