C#自动生成试卷系统，设计和实现了一个试卷生成系统，主要完成了手动生成试卷、自动生成试卷、抽取现有试卷和用户管理等功能。-C# automatically generate paper system, designed and implemented a paper generation system, mainly done manually generate paper, automatic generation of papers, papers and extracting existi