在线考试系统，可以随机抽100道题，然后实现考试，查询成绩等功能-Online examination system, random 100 questions, and exam, query results

TEX was a subsystem of Honeywell TSS. Users would enter the TSS command tex to change to a TEX session mode of operation. TEX expressions could be entered directly on the command line or run scr ipt file via the TEX command CALL <filename>.

改代码可用来做答题系统，实现考试选择题的编制-Changed code can be used for the system answer, multiple-choice exam preparation Realization