Only a small percentage of information on the (1) _______ is restricted to subscribers or other authorized users. The majority of Web pages are available to (2) _______ who can access a computer that connects to the Internet. The Web has become a (3) _______ for many companies selling products or services, (4)_________ a forum for people to exchange opinions and information. Museums, libraries, government agencies, and schools post information on the Web to make it (5) _______ to others.

(4) ....................

Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án