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。 风险评估机制。 民主协商机制。 诉求表达机制。 协同防控机制。
一旦受试者自愿参加人体试验后就不能从试验中退出。
受试者接受试验，应自愿承担一定风险。
社会工作的特点有？
Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system .Which two of these are characteristics of an IDS sensor?（） has a permissive interface that is used to monitor networks。 is an active device in the traffic path。 passively listens to network traffic。 has a promiscuous interface that is used to monitor the network。
按照《招标投标法》及相关规定，必须进行施工招标的工程项目是（）
