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。
青盘岩化（变安山岩化）：
企业进行内部研发活动所发生的费用，会计上应如何处理？
叠合板相邻板表面高低差允许偏差为（）。 A.1m 。 B.2m 。 C.3m 。 D.4m。
相信谁、依靠谁、为了谁，是否始终站在最广大人民的立场上（）
①是区分唯物史观和唯心史观的分水岭
②是判断马克思主义政党的试金石
③是吸收共产党员的根本标准
④是辨别真假马克思主义的镜子
