(20)格式的文件属于视频文件。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29742' and id < 2415400 and id<>'2415400' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29742' and id > 2415400 and id<>'2415400' order by id asc limit 5