根据我国宪法规定，下列属于公民应尽义务的有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31847' and id < 2545590 and id<>'2545590' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31847' and id > 2545590 and id<>'2545590' order by id asc limit 5