【简答题】执行以下程序段后,变量e的值是______。 a$='3':b$='5' c=Val(a$)+Val(b$) d=Val(a$+b$) e=c+d
【单选题】If a $5,000 face value discount bond maturing in one year is selling for $5,000, then its yield to maturity is _________
【判断题】单核胚囊的核进行三次连续的有丝分裂,形成八核胚囊。
【单选题】Which of the following $5,000 face-value securities has the highest yield to maturity?
A.
a 6 percent coupon bond selling for $5,000
B.
a 6 percent coupon bond selling for $5,500
C.
a 10 percent coupon bond selling for $5,000
D.
a 12 percent coupon bond selling for $4,500
【判断题】瓦斯是无色气体,但人可以通过嗅觉器官感知瓦斯的存在。
【单选题】下列关于误差修正模型说法不正确的是
B.
误差修正模型的构建要求变量一阶单整且存在协整关系