教师解析

With the development of technology and economy, the mass media has gained more and more improvements and revolutions. Today’s life can not go on without the mass media.

How important is the Internet in our lives? What can we do on the Internet?

Is it always safe to be in a chat room? What is the potential danger?

What are the information that you should not give out when chatting online?

Now look at the first passage. Read it through quickly and mark out words you are not familiar.