试题库的管理与维护是生成试卷系统必备的重要功能模块，主要负责对C++选择题题库的浏览、增加、修改、删除、生成试卷等功能。提供对文件存储的C++选择题进行浏览、增加、修改、删除题目、由题库生成试卷等功能。-Management and maintenance of test database is an important function module to generate the necessary papers system is mainly responsible for C++ multiple-choice exam browse, add, modify, delete, generate papers and other functions. Provides file storage C++-choice to view, add, modify, delete questions, exam papers generated by the function.