心理学家的研究表明，一般情况下，动机强度与活动效率的关系是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id < 2101982 and id<>'2101982' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24410' and id > 2101982 and id<>'2101982' order by id asc limit 5