Some people like to chat with others on the Internet to relax. They want to look 1_______ friends online and talk with them. But 2_______ (limit) to words on a computer screen, their knowledge about a person is not reliable. Identity and appearance mean very little in cyberspace (网络空间). 3________ people are really concerned about is a person’s thoughts or at least the thoughts he expresses through the Internet. Thus, even the 4_________ (shy) person in the world can become a chat-room star.
