印花税
生产力与生产关系是（）。 ["生产力与生产关系是矛盾对立的关系","生产关系决定生产力的发展水平","生产关系一定要适合生产力性质","经济基础决定生产关系"]
美国学者威特雷认为风险的本质与核心是（） ["确定性","不可控制","损失","不确定性"]
You have a Windows Server 2008 R2 Hyper-V failover cluster that has 16 nodes. You plan to load- balance eight virtual machines （VMs） on the Hyper-V failover cluster by using network load balancing （NLB）. You need to ensure that the NLB cluster converges. What should you do？（） ["Set the NLB cluster type to Multicast","Dedicate a virtual network for all NLB traffic","Use static MAC addresses for the parent network adapter","Enable spoofing of MAC addresses on the virtual network adapter"]
报检单位有权要求检验检疫机构在（）完成检验检疫工作并出具证明文件。 ["国家质检总局统一规定的检验检疫期限内","合理的时间内","索赔期限内","以上答案都不对"]
教师应如何利用有意注意的影响因素来组织有效教学？
