股权类期权包括（）。I.单只股票期权II.股票组合期权III.股价指数期权 IV.股票利率期权

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30047' and id < 2434172 and id<>'2434172' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30047' and id > 2434172 and id<>'2434172' order by id asc limit 5