个体防护用品有哪些？（至少回答3项）
简述划线的步骤。
下列（）不能在网页的“页面属性”中进行设置。 网页背景图及其透明度。 背景颜色、文本颜色、链接颜色。 文档编码。 跟踪图像及其透明度。
Your company has a main office and a branch office. The company has a single-domain Active Directory forest. The main office has two domain controllers named DC1 and DC2 that run Windows Server 2008 R2. The branch office has a Windows Server 2008 R2 read-only domain controller （RODC） named DC3. All domain controllers hold the DNS Server server role and are configured as Active Directory-integrated zones. The DNS zones only allow secure updates. You need to enable dynamic DNS updates on DC3. What should you do（） Run the Ntdsutil.exe DS Behavior commands on DC3.。 Run the Dnscmd.exe /ZoneResetType command on DC3.。 Reinstall Active Directory Domain Services on DC3 as a writable domain controller.。 Create a custom application directory partition on DC1. Configure the partition to store Active Directory-integrated zones.。
对插入文件中的Flash动画，不能在属性面板中设置动画的（）属性。 动画是否循环播放。 动画循环播放的次数。 动画播放时的品质。 是否自动播放动画。
电信竞争日益加剧，城市英特网宽带建设更合适（）
