Which two of these correctly describe asymmetric routing and firewalls？ （） [" only operational in routed mode"," only operational in transparent mode"," only eight interfaces can belong to an asymmetric routing group"," operational in both failover and non-failover configurations"," only operational when the firewall has been configured for failover"]
对钢结构件变形进行矫正的要领是什么？
甲型流感重症患者预后差。影响预后的因素可能包括（） ["妊娠","基础疾病","合并症","肥胖"]
滞后合成型的酶要在细胞生长一段时间甚至进入平衡期以后才开始合成的原因是（） ["该酶所对应的mRNA稳定性好","该酶所对应的DNA稳定性好","该酶的生物合成受到培养基中阻遏物的阻遏作用","该酶的生物合成受到培养基中诱导物的诱导作用"]
教学设计层的选择是指（）三种层次的选择。 ["系统级、课堂级、产品级","教育局、学校、教师","国家级、省市级、学校级","高级、中级、初级"]
假借
