某公司发行优先股,每股市价20元,每年每股支付股利2元,筹资费率为2%,则优先股的资金成本率为( )。
A.10% B.10.2%C.6.83% D.12%
参考答案:B
病历摘要:9岁男孩,因发热20天,膝关节痛1周来就诊,病初伴咽痛。查检:T38.5℃,P102次/分,咽稍充血,双手足见糠屑样脱皮,心尖部可闻及Ⅲ级收缩期杂音,肺腹(-),双膝关节红、肿、活动稍受限。化验血沉82mm/h,CRP阳性,ASO725U。
应该做哪些检查项目()
A.ASO
B.柯萨奇病毒抗体
C.类风湿因子
D.补体C3
E.超声心动图
F.胸部X线
According to the passage, why do people join groups that practice secondary cooperation
A.To share the happiness with others.
B.To get rewards for themselves.
C.To associate with people who have similar backgrounds.
D.To defeat a common enemy.