If you want to surf the Internet on the third floor of the library, swipe your card at the front first, and then someone will tell you what the account number is and the password is the last six digits of your ID card. Then just find a machine and enter the account number and password. There are also various telecommunications, China Unicom, and mobile wireless networks. If you find them, you can. For example, CHINANET of Telecom can get online for 6 hours for free. . . That's about it.