—般认为学龄前阶段是（）岁。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25699' and id < 2159969 and id<>'2159969' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25699' and id > 2159969 and id<>'2159969' order by id asc limit 5