长期致力于某一问题的解决而又百思不得其解，停止思考几天后，突然有了解决办法，这 属于（

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31698' and id < 2537546 and id<>'2537546' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31698' and id > 2537546 and id<>'2537546' order by id asc limit 5