货币的派生职能包括（ ）。[2009年5月三级真题]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25265' and id < 2138577 and id<>'2138577' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25265' and id > 2138577 and id<>'2138577' order by id asc limit 5