教材中某现浇七跨50m预应力混凝土连续箱梁，采用移动支架施工，第一跨落梁时，箱梁在活动盆式支座上出现滑移，1h后最大横向滑移量达46cm，导致严重事故。经分析原因是（），设计选用支座的转角偏小也是重要原因。 落梁方法不正确。 支座安装不正确。 支座材料质量问题。 支座布置不合理。
You have an Active Directory Domain Services (AD DS) domain. All servers run Windows Server 2008 R2. The Remote Desktop Services (RDS) environment includes a Remote Desktop Session Host (RD Session Host) server in the LAN environment, and a Remote Desktop Gateway (RD Gateway) server in the perimeter network. You deploy a Remote Desktop Web Access (RD Web Access) server in the perimeter network. You publish a RemoteApp application. The RemoteApp application is not visible to users when they log in to RD Web Access. You need to ensure that authorized users can run RemoteApp applications from RD Web Access. What should you do?（） Restart the World Wide Web Publishing Service on the RD Web Access server.。 Disable Forms Authentication on the Default Web Site on the RD Web Access server.。 Allow Windows Management Instrumentation (WMI) communication between the RD Gateway server and the RD Session Host server.。 Allow Windows Management Instrumentation (WMI) communication between the RD Web Access server and the RD Session Host server.。
计划书应该具备的特点不包括（）。 简明扼要。 逻辑性强。 具有可行性。 具有理论高度。
You are the Exchange administrator for the Xxx Corporation’s Exchange 2010organization.Jennifer Brown is a user in the Accounting department who will be on leave for 30 to 40 days.You would like to forward all mail for Jennifer Brown’s mailbox to Ann Garcia during her absence.When Jennifer returns from leave， she should be able to see all the messages that were forwarded to Ann Garcia. What should you configure？（） Set-Mailbox -Identity "Jennifer Brown" -ForwardingAddress "ann@Xxx " -DeliverToMailboxAndForward $false。 Set-Mailbox -Identity "Jennifer Brown" -ForwardingAddress "ann@Xxx " - DeliverToMailboxAndForward $true。 Add-ADPermission -Identity ’CN=Jennifer Brown，OU=Accounting，DC=Xxx，DC=com’ - User ’XXX\Ann’ -ExtendedRights ’Send-as’。 Add-MailboxPermission -Identity ’CN=Jennifer Brown，OU=Accounting，DC=Xxx，DC=com’ -User ’XXX\Ann’ -AccessRights ’FullAccess&rsquo。
《固定式压力容器安全技术监察规程》规定封头拼接焊缝成型后必须进行射线探伤，其原因是（）。 预防拼接材质不同时引起强度差异。 提高拼接质量。 封头圆弧过渡区变形大，减薄量较严重，必须保证强度要求。 封头承受压力大些。
幕墙钢构件施焊后，其表面应采取有效的（）措施。
