钢管采用螺纹连接时，管节的切口断面应平整，偏差不得超过一扣；丝扣应光洁，不得有毛刺、乱扣、断扣，缺扣总长不得超过丝扣全长的（）％；接口紧固后宜露出2~3扣螺纹。 A.5 。 B.10 。 C.15 。 D.20。
You need make configuration changes to an existing layer 3 switch in the Company network. On a multilayer Catalyst switch， which interface command is used to convert a Layer 3 interface to a Layer 2 interface？（） switchport access vlan vlan-id。 switchport。 switchport mode access。 no switchport。 None of the other alternatives apply。
Your company has an Active Directory domain. The company runs Terminal Services. All client computers run Windows Vista Service Pack 1. You need to ensure that users are able to run Windows Media Player 11 during a Terminal Services session. What should you do？（） Install the Desktop Experience feature on the Terminal Server.。 Install the Quality Windows Audio Video Experience feature on the Terminal Server.。 Create a new Group Policy object （GPO） by using the Desktop Window Manager template. Configure the Do not allow desktop composition option to True. Apply the GPO to all client computers in the domain.。 Create a new Group Policy object （GPO） that configures the Policy-based QoS option and set the Differential Services Code Point value to 10 for the Windows Media Player 11 executable. Apply the GPO to the Terminal Server.。
动态文件只指
为满足施工建设需要而供到场地界区的，建设单位的现场临时建筑物的搭设、维修、拆除、摊销或建设期间租赁费用属于（） 场地准备费。 措施费。 临时设施费。 安全文明施工费。
《诗家直说》 的作者是（）
