题目内容
命题“
”的否定是 ( )
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19874' and id < 1725420 and id<>'1725420' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19874' and id > 1725420 and id<>'1725420' order by id asc limit 5