简述社会主义级差地租的性质与特点。
Refer to the exhibit. Two ISPs have decided to use MSDP and configured routers X and Y (both are PIM RPs) as MSDP peers. In the domain of ISP B, PC A has sent an IGMP membership report for the group 224.1.1.1 and PC B has sent an IGMP membership report for the group 224.5.5.5. Assuming that the MSDP peering relationship between routers X and Y is functional, and given the partial configuration output shown from router X, which two of these statements are true?（） ["Router X will contain an entry for 224.1.1.1 in its SA cache and will also have an installed （S，G） entry for this in its mroute table.","Router X will not contain an entry for 224.1.1.1 in its SA cache but will have an installed （*，G） entry for this in its mroute table.","Router X will not contain an entry for 224.5.5.5 in its SA cache but will have an installed （S，G） entry for this in its mroute table.","Router X will not contain an entry for 224.5.5.5 in its SA cache but will have an installed （*，G） entry for this in its mroute table.","Router X will have no entries for 224.5.5.5 in neither its SA cache nor in its mroute table.","Router X will have no entries for 224.1.1.1 in neither its SA cache nor in its mroute table."]
固定汇率制度
以下属于市场定位的方式有（） ["消费者与定位","同行业与定位","政策与定位","设计家与定位"]
社会转换
（）为炼银，（）为炼金，人的称赞也（）人。
