下列关于投资风险与报酬的表述，正确的是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30691' and id < 2473755 and id<>'2473755' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30691' and id > 2473755 and id<>'2473755' order by id asc limit 5