动作技能的形成过程中每个动作必须切实执行，不能合并省略。这体现的动作技能特点是  (     )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26671' and id < 2220285 and id<>'2220285' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26671' and id > 2220285 and id<>'2220285' order by id asc limit 5