What are two characteristics of OER？ （） [" It can take on HSRP， VRRP， and GLBP as clients."," It provides automatic inbound route optimization."," Path selection may be based on delay， loss， or jitter."," The border router makes decisions about which outbound path to use."," Automatic load distribution is provided for multiple connections."]
健全重大决策社会稳定（）从机制上保证科学决策，有利于防止由于决策失误造成种种社会矛盾。 ["民主协商机制","风险评估机制","诉求表达机制","协同防控机制"]
美学的性质就是指美学的对象。
在实践中，创新意识由（）三个要素组成。 ["创新兴趣","创新动机","创新思维","创新追求"]
What are two characteristics of GSS？ （） [" It helps verify end-to-end path availability."," It provides traffic rerouting in case of disaster."," HSRP， GLBP， and VRRP can be clients of GSS."," BGP must be the routing protocol between the distributed data centers."," DNS responsiveness is improved by providing centralized domain management."]
教育是（）特有的一种有目的（）的社会实践活动。
