学生考试系统，本系统主要包括学生登录、注销登录、开始考试和成绩查询等功能。考试时，学生只要登录考试系统，就能在计算机上完成考试过程。-Student examination system, the system includes students log on, log off, start test, and results checking. Examination, the students just log in examination system, the computer will