思维破裂
下列几项费用中，不是主要导致冬期施工成本费用增加的一项是（）。 ["A.人工费及设施费 ","B.材料费用 ","C.技术措施费 ","D.规费"]
投资基金的费用一般包括（） ["其他费用","操作费","保管费","经理费"]
审美情趣
Your company has a main office and a branch office. The offices connect by using WAN links. The network consists of a single Active Directory domain. An Active Directory site exists for each office. Servers in both offices run Windows Server 2008 R2 Enterprise. You plan to deploy a failover cluster solution to service users in both offices. You need to plan a failover cluster to meet the following requirements： èMaintain the availability of services if a single server fails èMinimize the number of servers required What should you include in your plan？（） ["Deploy a failover cluster that contains one node in each office.","Deploy a failover cluster that contains two nodes in each office.","In the main office， deploy a failover cluster that contains one node. In the branch office， deploy a failover cluster that contains one node.","In the main office， deploy a failover cluster that contains two nodes. In the branch office， deploy a failover cluster that contains two nodes."]
为何汽油机在低负荷运转时的经济性和排放性能均会下降？
