面值为1000元、在市场上以高于1000元的价格出售的债券称为()
A.平价债券
B.溢价债券
C.贴现债券
D.零息债券
参考答案:B
We need to __________a plan about what to do on Clean-up Day.
A.come up with
B.come over
C.come along
D.come out
脉络膜视网膜炎引起的视神经萎缩的特点是()
A.视 * * 边界模糊
B.视 * * 胶质组织增生
C.视网膜血管可有鞘膜,变细
D.筛板清晰
E.视 * * 苍白