教育者要在儿童发展的关键期施以相应的教育，这是因为个体的发展具有顺序性和阶段性。( )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27405' and id < 2264978 and id<>'2264978' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27405' and id > 2264978 and id<>'2264978' order by id asc limit 5