“现在，时间能够伸长收缩，不是在宇宙的任何地点都是均匀的，而是与运动状态与引力相关的。”这一描述反映的科学理论（）。 准确预见了海王星的存在。 推动了欧洲启蒙运动进程。 发现能量辐射的运动规律。 拓展了对宏观世界的认识。
You are the network administrator for your company. The network consists of a single Active Directory domain. All network servers run Windows Server 2003, and all client computers run Windows XP Professional. Your company's main office is located in Dublin, which is also the location of all domain controllers. The Dublin office contains 200 client computers. A branch office is located in Helsinki. This office contains 60 client computers. All user accounts for permanent employees in Helsinki are contained in an organizational unit (OU) named HelUsers. All user accounts for temporary employees in Helsinki are contained in an OU named TempUsers. A temporary employee named Peter is hired in the Helsinki office. The business hours in his office are 9:00 A.M. to 5:00 P.M. At 9:05 A.M. on his first Monday at work, Peter tries to log on to the domain from his client computer. However, he receives the message shown in the exhibit. (Click the Exhibit button.) You need to ensure that Peter can log on to the domain. What should you do? （） Move Peter's account to HelUsers. Create a Group Policy object (GPO) and link it to HelUsers. In the GPO, decrease the account lockout duration.。 Make TempUsers a child of HelUsers. Create a Group Policy object (GPO) and link it to HelUsers. In the GPO, decrease the account lockout threshold.。 Modify the properties of Peter's user account so the Logon Hours setting is the same as the business hours for the Helsinki office.。 Modify the properties for Peter's user account to extend the dates during which his account can be used.。
双代号网络图是以（）表示工作的网络图。 箭线及其两端节点的编号。 虚线及其两端节点的编号。 虚及其两端节点的编号。 箭线及其两端节点的箭头。
排污阀的主要作用是（） 加强锅炉水循环。 排放锅炉内的水垢泥沙。 锅炉满水或停炉清洗时可以排放余水。 炉水取样。
水压试验的条件。
下列关于解除劳动合同的说法中，错误的是（）。
