下列关于投资风险与报酬的说法，正确的是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30689' and id < 2473642 and id<>'2473642' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30689' and id > 2473642 and id<>'2473642' order by id asc limit 5