按低于票面额的价格发行,到期按票面额淸偿,发行价格与票额的差价是投资人的收i,这种债 发布时间:2017-06-29 00:42 │ 来源:www.tikuol.com 题型:单项选择题 问题: 按低于票面额的价格发行,到期按票面额淸偿,发行价格与票额的差价是投资人的收i,这种债券称为()。A.固定利率债券 B.浮动利率债券 C.零息债券 D.可转换债券
题型:单项选择题 已知等差数列{an}的公差d大于0,且满足a3a6=55,a2+a7=16.数列{bn}满足an=b1+b22 +b322+…+bn2n-1 (n∈N *).(1)求数列{an},{bn}的通项公式;(2)设cn=anan+1an+2bn+1,求cn取得最大值时n的值. 查看答案
题型:单项选择题 ----Would you mind giving your advice on how to improve our business management?----If you make ____ most of the equipment, there will be _____ rise in production.A./; /B.the ; aC./;aD.the;/ 查看答案