下面属于公文必备的基本组成部分有（ )。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31819' and id < 2543193 and id<>'2543193' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31819' and id > 2543193 and id<>'2543193' order by id asc limit 5