患者，任某，53岁，近日来发现活动后呼吸急促，感觉胸闷、气短、背部疼痛，到医院挂号就诊。作为门诊护士，下列操作不妥的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id < 2490479 and id<>'2490479' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id > 2490479 and id<>'2490479' order by id asc limit 5