搜题请搜索小程序“爱下问搜题”
问题 单项选择题

铁盐检查时，若硫氰酸铁的颜色较浅或供试液管与对照液管色调不一致，则应采用

A．Ag(DDC)吡啶试液
B．砷斑
C．白田道夫法
D．微孔滤膜法
E．过硫酸铵

答案

参考答案：C

单项选择题

Without the introduction of a risk-free asset or a zero-beta portfolio, the optimal portfolio on the efficient frontier for each investor is represented by:()

A. the point where the investor’s highest indifference curve is tangent to the efficient frontier.

B. any point where an indifference curve intersects the efficient frontier.

C. the point where the capital market line touches the frontier.
查看答案
填空题

“孤舟蓑笠翁，独钓寒江雪”是唐代著名诗人柳宗元的诗句．你一定钓过鱼或看见别人钓鱼吧．你认为钓鱼竿是______杠杆．这种杠杆的优点是______．
查看答案