( )是一种平行文，是商洽性文件的主要文种。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31816' and id < 2542950 and id<>'2542950' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31816' and id > 2542950 and id<>'2542950' order by id asc limit 5