生命最基本的特征是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32022' and id < 2556832 and id<>'2556832' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32022' and id > 2556832 and id<>'2556832' order by id asc limit 5