学生亮亮在回答问题时常常出现犹豫不决的现象，说明其意志缺乏 （ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='26102' and id < 2188354 and id<>'2188354' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26102' and id > 2188354 and id<>'2188354' order by id asc limit 5