系统分为三大模块：用户登录模块、考试模块和系统管理模块。其中系统管理模块是进行题目的添加、存储和删除，是系统运行的基础；查询子模块实现了对学生考试信息远程查询。- The system is composed of three parts: subjecting module, running module, maintaining module. Subjecting module is in charge of questions adding saving and deleting. Th