下列哪种职能是管理活动的首要职能？（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29590' and id < 2405543 and id<>'2405543' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29590' and id > 2405543 and id<>'2405543' order by id asc limit 5