随机考试系统,用于学生考试，题目从题库中随机抽取，老师可以设定考试题型，每题分数，考试学期，可以输入试题，修改等各项操作，而且可以控制学生作弊。-Test Systems randomly used for student test,such as the finnal test when the symaster is to finish. Teacher will do not need to prepare the test paper in every term.