无风险报酬率的确定主要取决于证券发行主体的具体情况。 ( )
参考答案：错
I _____ a new book,but my brother ______ one. [ ]
A. don't have ; have
B. doesn't have ; has
C. have ; doesn't have
D. have ; has
质量技术监督部门受理企业变更申请后，应当自受理之日起（）日内完成变更审查和材料上报，由原发证部门在 （）日内核批。
A．10，20
B．10，10
C．20，10
D．15，15
