幼儿计数能力发展的关键阶段是能够（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27412' and id < 2266247 and id<>'2266247' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27412' and id > 2266247 and id<>'2266247' order by id asc limit 5