Unit 3 Computers第一学时 Reading and ComprehensionWorld Wide WebIf you watch TV，visit the mall，or do anything at all，you'll have chances to see the three famous letters，WWW
So what does it all mean
What does it stand for
Well，in general，WWW stands for“World Wide Web”．Most people confuse(使混乱 ； 使 困 惑 ) the Internet with the World Wide Web
However, there is a difference
The Internet is made up of thousands of computers that are connected(连接；联合；关联)worldwide
WWW，or World Wide Web，is what your computer uses to check out the Internet
For example，your computer uses browsers(电脑浏览器)，such as Internet Explorer or Netscape to let you see and hear all the cool pictures，information，music and sounds on the Internet
►Task 1仔细阅读课文“Who Am I
”根据课文内容选出最佳答案
1．When did the computer come into being
A．1640
