投资基金的主要特征有（）。 ["共同投资","专家经营","组合投资","风险共担","共同收益"] 液压传动具有下列哪些特点（） ["功率密度大，体积小，重量轻，结构紧凑","能在大范围内实现无级调整","传动比严格","易于实现过载保护","对油温的变化比较敏感，不宜在很高或很低的温度下工作"] Your network consists of a single Active Directory domain. The network includes a branch officenamed Branch1. Branch1 contains 50 member servers that run Windows Server 2008 R2. An  organizational unit （OU） named Branch1-Servers contains the computer objects for the servers in  Branch1. A global group named Branch1-admins contains the user accounts for the administrators.  Administrators maintain all member servers in Branch1. You need to recommend a solution that allows the members of Branch1？admins group to perform the following tasks on the Branch1 member servers.   èStop and start services  èChange registry settings   What should you recommend？（）  ["Add the Branch1-admins group to the Power Users local group on each server in Branch1.","Add the Branch1-admins group to the Administrators local group on each server in Branch1.","Assign the Branch1-admins group change permissions to the Branch1-Servers OU and to all child  objects.","Assign the Branch1-admins group Full Control permissions on the Branch1-Servers OU and to all child  objects."] 下列（）不属于虚拟仿真施工技术所带来的优越性。 ["A.建筑工程施工方案的选择和优化 ","B.绿色施工技术 ","C.事先模拟施工全过程 ","D.施工技术革新和新技术"] 某电容器额定耐压值为450伏，能否把它接在交流380伏的电源上使用？为什么？ 关于丙型肝炎下列哪项是错误的：（）