道德的决定因素是（）

[单选题]You are the network administrator for The network consists of a single Active Directory domain named that contains two domain controllers. The domain controllers run Windows Server 2003 and Certificate Services. Each domain controller has a single mirrored had disk that contains a single NTFS volume. You are responsible for backing up all servers. TestKing requirements state that backups must be performed only between the hours of 1:00 A.M. and 6:00 A.M. All servers share a single backup device. Because a large amount of data must be backed up, you need to complete the required backups as quickly as possible in order to complete the backups within the allotted time. You need to back up Active Directory and Certificate Services on the two domain controllers. The backup must include only the minimum amount of data necessary. Which action or actions should you perform? （）(Choose all that apply)

[多选题]金属材料力学性能是衡量金属材料使用性能的重要指标。力学性能主要包括（）等。

[单选题]一名54岁男性，因腰背痛及下肢活动无力，2个月。在某医院以腰间盘突出而行L间盘探查术，但术后症状未见缓解，而以背痛双下肢活动无力加重待查，送上级医院诊治，入院后检查中发现Hoffmann征（-），Babinski氏征（+）。对上述多发病变预后的判断：（）

[填空题]智能型编程器既可联机也可（）使用。

[问答题]试分析目前我国社会低保对象管理存在的问题和对策。

[单选题]天线的针保护区域是避雷针顶点下倾（）范围内。

[判断题]信号机构的光源可不调整在透镜组的焦点上。（）

[单选题]若用户采用虚拟主机技术，则只需要维护（）

[填空题]无线电波传播的方式有（）传播，也称中长波波；沿空间传播也称超短波波；电离层传播，称为短波波。

[单选题]下列物理学知识表述不正确的是（　　）。