—般认为，（ ）是由形象思维过渡到抽象 思维的关键期。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25993' and id < 2181542 and id<>'2181542' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25993' and id > 2181542 and id<>'2181542' order by id asc limit 5