国库券的收益率是国库券的()与市场价格之间的比率。
A.贴现利息
B.国库券面值
C.国库券售价
D.国库券利率
参考答案:A
In my family,my mother is always the first one _________ and the last one _________. [ ]
A. get up; go to bed
B. to get up; go to bed
C. to get up; to go to bed
D. get up; to go to bed
下列所列种草地类型中,以防治水土流失为目的的类型包括()。
A.荒山种草
B.荒坡种草
C.绿肥种草
D.药用种草
E.荒沟种草