《疫苗流通和预防接种管理条例》规定，接种单位从不具有疫苗经营资格的单位或者个人购进第二类疫苗的，该如何处罚？
从交易标的看，在线电子交易可分为（）。 ["在线货物销售","电子信息交易","在线服务","完全在线交易"]
Refer to the exhibit. Which Catalyst switch interface command would be used to cause the switch to instruct the phone to override the incoming CoS from the PC before forwarding the packet to the switch？（） [" mls qos cos 2 override"," switchport priority extend cos 11"," switchport priority extend trust"," switchport priority extend none"," mls qos cos 2"," switchport priority extend cos 2"]
弹簧载荷式安全阀的动作基于力的平衡，当进口压力等于安全阀整定压力时，弹簧力预先设定到（）进口介质作用在关闭阀瓣上的力。当进口压力（）整定压力时，阀瓣仍旧坐在阀座上处于关闭位置。当进口压力（）整定压力时，作用在阀瓣上的力克服弹簧力，使阀瓣开启。当进口压力降低到低于整定压力的某个值时，安全阀再次关闭回座。 ["大于，低于，高于","小于，低于，高于","等于，高于，低于","等于，低于，高于"]
生物群落是（）。 ["A.生物偶然的组合 ","B.生物有规律的组合 ","C.生物随意的组合 ","D.生物杂乱无章的组合"]
社会保障制度
