Your network contains a single Active Directory domain named contoso.com.You have a domain controller named DC1 that runs Windows Server 2003 Service Pack 2 （SP2） that has the DNS Server Windows component installed. You have a member server named Server1 that runs Windows Server 2003 SP2.Server1 fails to update its host （A） record for the contoso.com domain. You need to verify that DNS requests from Server1 are sent to DC1. What should you do？（）
A. On Server1，restart the server， press F8， and enable boot logging.
B. On Server1，open the properties of the network adapter and install the Network Monitor Driver.
C. On DC1，open the DNS snap-in and configure debug logging for the DNS Server service.
D. On DC1，open the DNS snap-in and configure event logging for errors and warnings for the DNS Server service.
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BG4型正压氧气呼吸器采用先进的“模拟窗”电子报警、测试及压力显示系统，该系统具有如下功能：（）。
A. 图示、数字显示及声光报警
B. 高压及膛压气密性检测
C. 定量供氧量检测
D. 气瓶余压报警、缺氧报警
党员有《中国共产党纪律处分条例》规定的两种以上（含两种）应当受到党纪处分的违纪行为，应当（）。（第23条）
A. 合并处理
B. 分别处理
C. 视情况处理
D. 依次处理
道德认知形成的关键是（）
A. 道德信念的确立
B. 道德观念的形成
C. 道德评价能力的发展
D. 道德意志的确立
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