以下哪个不属于初期阶段的主要任务

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24413' and id < 2102128 and id<>'2102128' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24413' and id > 2102128 and id<>'2102128' order by id asc limit 5