偏向于选择非常容易或非常困难任务的是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32270' and id < 2568770 and id<>'2568770' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32270' and id > 2568770 and id<>'2568770' order by id asc limit 5