关于设计单位的权利的说法，正确的是（）。 A.为节约投资成本，设计单位可不依据勘察成果文件进行设计 。 B.有特殊要求的专用设备，设计单位可以指定生产厂商或供应商 。 C.设计单位有权将所承揽的工程交由资质等级更高的设计单位完成 。 D.设计深度由设计单位酌定。
You have an Exchange organization that contains Exchange 2000 Server Service Pack 3 （SP3）， Exchange Server 2003 Service Pack 2 （SP2）， and Exchange Server 2007 Service Pack 1 （SP1） servers. You need to transition the organization to Exchange Server 2010. What should you do first？（） Remove all Exchange Server 2007 SP1 servers from the organization.。 Remove all Exchange 2000 Server and all Exchange Server 2003 servers from the organization.。 Remove all Exchange 2000 Server servers from the organization， and then upgrade all Exchange Server 2007 servers to SP2.。 Remove all Exchange Server 2003 servers from the organization， and then upgrade all Exchange Server 2007 servers to SP2.。
电压互感器Y/y接线，线电压为100V，若W相极性接反，则Uuv=（）V。 33.3。 50。 57.7。 100。
Your network contains two Active Directory forests named contoso.com and nwtraders.com. A two-way forest trust exists between contoso.com and nwtraders.com. The forest trust is configured to use selective authentication. Contoso.com contains a server named Server1. Server1 contains a shared folder named Marketing. Nwtraders.com contains a global group named G_Marketing. The Change share permission and the Modify NTFS permissions for the Marketing folder are assignes to the G_Marketing group. Members of G_Marketing report that they cannot accesss the Marketing folder. You need to ensure that the G_Marketing members can accesss the folder from the network. What should you do（） From Windows Explorer， modify the NTFS permissions of the folder。 From Windows Explorer， modify the share permissions of the folder。 From Active Directory Users and Computers， modify the computer object for Server1。 From Active Directory Users and Computers， modify the group object for G_Marketing。
偏析
对细菌的β-内酰胺酶有较强抑制作用的药物是（）
