题目内容
下列行为中属于无偿的双方民事法律行为的是( )。
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SQL Error: select id,body,options from ***_enewstiku where sourceid='31242' and id < 2507607 and id<>'2507607' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31242' and id > 2507607 and id<>'2507607' order by id asc limit 5