下列属于社会保障原则的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31518' and id < 2523812 and id<>'2523812' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31518' and id > 2523812 and id<>'2523812' order by id asc limit 5