预制钢筋砼管桩的规格、质量必须符合设计要求和施工规范的规定，外观质量应符合表面平整、密实，掉角深度不超（）mm，局部蜂窝和掉角的缺损面积不得超过全部桩表面积的0.5%，并不得过分集中。 ["5","10","15","20"]
中国共产党同世界各国政党的关系所要坚持的原则是（）。 ["独立自主、完全平等","互相监督","互相尊重","互不干涉内部事务"]
简述X论的管理措施？
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"]
如果项目净现值小于1，即表明该项目的预期利润小于零。
观光农业资源调查的基本形式有？
