Your network contains five virtualization hosts. The hosts are configured as shown in the following table. You plan to deploy Microsoft System Center Virtual Machine Manager 2008 R2 Service Pack 1 （SP1）. You need to identify which virtualization hosts you can manage by using System Center Virtual Machine Manager. Which servers should you identify？（） ["Server4","Server3","Server2","Server1","Server5"]
脑死亡的诊断依据？
伤口清洗一般选用（）或对人体组织没有毒性的消毒液。
在建设工程领域，建设工程法律责任主要包括（）、（）、（）三种。
无形资产
请根据ERP的概念层次（如图所示），简要描述如何理解ERP概念。
