有4种债券A、B、C、D面值均为1000元，期限都是3年。其中A以单利每年付息一次，年利率为8%；债券B以复利每年付息一次，年利率为4%；债券C以单利每年付息两次，每次利率是4%；债券D以复利每年付息两次，每次利率是2%。假设投资者认为未来3年的年折算率为r=8%，试比较4种债券的投资价值。
中国共产党成立以后，中国革命呈现出了哪些新面貌？
Which statements are true regarding the Cisco UCS fabric failover feature？ （） [" FabricSync is used to synchronize MAC addresses to an adjacent fabric interconnect after a server interface failover."," Gratuitous ARPs are sent on fabric interconnect uplinks after a server interface failover. "," Fabric failover can be used on vNICs and vHBAs."," Fabric failover is configured as part of the service profile."," Fabric interconnects in end-host mode use fabric failover instead of spanning tree to provide redundancy on uplink ports."]
（）是公司选择筹资方式的依据。 ["加权资本成本率","综合资本成本率","边际资本成本率","个别资本成本率"]
视觉传达设计
驯化
