在金融衍生工具交易中,因交易或管理人员的人为错误或系统故障、控制失灵而造成的风险是市场风险。( )
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David has left a(n) () message to Lois which nobody can understand except her.
A. clear
B. implicit
C. meaningful
D. various
企业年金基金财产投资银行活期存款、中央银行票据、债券回购等流动性产品以及货币市场基金的比例,不得低于投资组合企业年金基金财产净值的30%。( )
A. 对
B. 错
It is only when you see that with your own eyes ______ fully understand how much he loves you.
A. can you
B. you can
C. that you can
D. that can you
关系的参照完整性规则是指外键的值不允许参照不存在的相应表中的主键的值,或者外键的值等于()。