骨盆入口平面狭窄常见的类型有
A.佝偻病性扁平骨盆
B.漏斗骨盆
C.均小骨盆
D.骨软化症骨盆
E.单纯扁平骨盆
参考答案:A,E
按反应方程式,自右向左进行的反应为正反应,自左向右为逆反应。
An investor owns an annual-pay bond that matures in five years with a 5% COUpon rate and a $1000 face value. If the discount rate is 8%, the value of the bond is closest to:()
A. $878
B. $880
C. $1081