如果发动机不能保持良好的润滑，动力损失就会增大，所以在使用中应正确选用润滑油，以减少运动部件的（）。 ["燃料消耗和运动阻力","燃料消耗和磨擦损失","磨擦损失和运动阻力","表面温度和燃料消耗"]
对商业银行表外科目所涉及的会计事项，一般采用单式记账法进行登记。
把未受污染的地表水处理成生活饮用水，其去除对象主要为悬浮物、胶体和致病微生物，一般采用（）处理流程。 ["混凝、沉淀、过滤工艺","混凝、过滤、消毒工艺","混凝、过滤、消毒工艺","混凝、沉淀、过滤、消毒工艺"]
Your network contains an Active Directory domain named contoso.com. The domain contains a member server named HVServer1. HVServer1 runs Windows Server 2012 and has the Hyper-V server role installed. HVServer1 hosts 10 virtual machines. All of the virtual machines connect to a virtual switch named Switch1. Switch1 is configured as a private network. All of the virtual machines have the DHCP guard and the router guard settings enabled.You install the DHCP server role on a virtual machine named Server 1. You authorize Server1 as a DHCP server in contoso.com. You create an IP scope.You discover that the virtual machines connected to Switch1 do not receive IP settings from Server1. You need to ensure that the virtual machines can use Server1 as a DHCP server. What should you do？（） ["Enable MAC address spoofing on Server1","Disable the DHCP guard on all of the virtual machines that are DHCP clients","Disable the DHCP guard on Server1","Enable single-root I\/O virtualization （SR-IOV） on Server1"]
十八届三中全会提出了全面深化改革的目标，而这个改革必须用法律来进行引导，必须用法治去推动，必须用法律法治来保障。
树型目录结构中的树枝结点表示DOS中的（）。
