从安全用电的角度看，下列做法存在安全隐患的是（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15694' and id < 1308957 and id<>'1308957' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15694' and id > 1308957 and id<>'1308957' order by id asc limit 5