关于腹膜后超声检查前准备，下列不正确的 是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31780' and id < 2540817 and id<>'2540817' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31780' and id > 2540817 and id<>'2540817' order by id asc limit 5