炎性息肉的结构特点是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31195' and id < 2504749 and id<>'2504749' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31195' and id > 2504749 and id<>'2504749' order by id asc limit 5