儿童思维发生的标志是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27411' and id < 2266229 and id<>'2266229' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27411' and id > 2266229 and id<>'2266229' order by id asc limit 5