高中英语 Unit 3 Computers Section Ⅰ Warming UpPre-reading Reading讲义 新人教版必修2-新人教版高一必修2英语教案

Unit 3 Computers几乎所有的青少年都对上网冲浪感兴趣。但是你对网络了解多少呢？本文帮助你去了解它。The Internet is becoming important in our life.Here is something about it.What is the Internet?The Internet is a large ， worldwide collection of computer networks.A network is a small group of computers put together.The Internet is many different networks from all over the world.Once you have learned to use the Internet ， you can do a lot of interesting things on the World Wide Web.What is the World Wide Web?The World Wide Web has been the most popular development of the Internet.The Web is like a big electronic book with millions of pages.These pages are called homepages. You can find information about almost anything in the world on these pages.For example ，you can use the Internet instead of a library to find information for your homework.You can also find information about your favorite sport or film star，talk to your friends or even do some shopping on the pages.Most pages have words，pictures and even sound or music.What is e-mail?Electronic mail is a way of sending messages to other people.It's much quicker and cheaper than sending a letter.If you want to use e-mail，you must have an e-mail address.This address must have letters and dots and an “@” (meaning “at”)．This is what an address looks like：Emily @ star.net.Write a message，type in the person's e-mail address，and then send the message across the Internet.People don't need to use stamps ， envelopes or go to the post office since the invention of the Internet.Quick，easy and interesting—that's the Internet![阅读障碍词]1．collection n． 收集物；收藏品2．homepage n. 主页3．dot n. 点4．address n. 地址5．invention n. 发明[诱思导读]1．What does the...