下列各组选项按照电解质、非电解质、单质、混合物顺序排列的一项是（　　）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21378' and id < 1854425 and id<>'1854425' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21378' and id > 1854425 and id<>'1854425' order by id asc limit 5