用C#开发的一套关于答题系统，里面包含了说明文档，这是一个答题系统。管理员可以管理题库，增删改题，普通用户登录后可以答题，也可以查看历史答题记录。(C# developed with a set of questions about the system, which contains documentation, which is an answer system. Administrators can manage the question bank, additions and deletions to change questions, ordinary users can log in after the answer, you can also view the history of the answer record.)