金融期货的基本功能有（）。I.套期保值功能 II.价格发现功能III.投机功能IV.套利功能

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30047' and id < 2434108 and id<>'2434108' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30047' and id > 2434108 and id<>'2434108' order by id asc limit 5