小儿体格发育最快的时期是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30939' and id < 2490376 and id<>'2490376' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30939' and id > 2490376 and id<>'2490376' order by id asc limit 5