结合中国实际，分析发展中国家教育体系存在的问题及其对策措施。
说明下列句中黑体字的词性和意义。 吴广素爱人，士卒多为用者。
（）是指在古希腊时期形成的以追问美的本质为中心的美学传统。
什么是投资性房地产（试举例说明）？其后续计量如何进行？
Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（） ["Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of master virtual route","Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， it will regain the master virtual router role","Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， Router A will maintain the role of master virtual router.","Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， it will regain the master virtual router role"]
教育思想具有认识功能、（）功能、导向功能、（）功能、（）功能、反思功能，概括起来说，就是教育思想对教育实践的（）功能。
