民航空管运行单位应当建立安全评估机制,安全评估分为()和()
A. 事前评估;事后评估
B. 定期评估;不定期评估
C. 特殊评估;平时评估
D. 事前评估;跟踪评估
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按照认知心理学的观点,机械学习有意义学习划分的主要依据是()
A. 新旧知识是否建立非人为实质性的联系
B. 学习是否主动学习,反复练习
C. 要学习主要内容是教师呈现还是由学生发现
D. 学习的目的是解决问题还是获得知识
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2).You have two servers named Server1 and Server2. Server2 is on an isolated network segment. Both servers run Windows Server Update Services (WSUS) 3.0 and have the same WSUS configurations. You copy the WSUS updates from Server1 to Server2.You need to ensure that Server2 has the same WSUS approvals as Server1. What should you do?()
A. On Server1, run wsusutil.exe and use the export parameter. On Server2, run wsusutil.exe and use the import parameter.
B. On Server1, run wsustil.exe and use the movecontent parameter. On Server2, run wsustil.exe and use the movecontent parameter.
C. On Server1, export the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Update Services\Server\Setup registry key. On Server2, import the registry key.
D. On Server1, create a backup of the %systemdrive%\WSUS\ folder. On Server2, restore the backup.&e
城市维护建设税以纳税人实际缴纳的增值税、消费税和()为计税依据。
A. 消费税
B. 增值税
C. 营业税
D. 土地增值税
超声波探伤系统能够区分横向或纵向相距最近的两个以上相邻缺陷的能力,称为仪器的()。