挖掘机作业时，如果挖掘半径越大，则挖掘力如何变化（）。 变大。 变小。 不变。 不一定。
Your company has a main office and 10 branch offices. Each office connects to the Internet by using a direct link. The main office connects to the branch offices by using a WAN link. You plan to deploy Exchange Server 2010 servers in each office. You need to design Active Directory to meet the following Exchange Server 2010 requirements：.Users must be able to access their mailboxes if a single domain controller fails .Users must be able to send e-mail messages to the Internet if a WAN link fails What should you include in the design？（） Create an Active Directory site for each office. Deploy two global catalog servers in each site.。 Create an Active Directory site for each office. Deploy a single domain controller in each site， and then enable site link bridging.。 Create an Active Directory site for all of the offices. Deploy a global catalog server and a read-only domain controller in each site.。 Create an Active Directory site for all of the offices. Deploy a global catalog server and two read- only global catalog servers in each Active Directory site.。
进气温度传感器安装在（）。 进气道上。 排气管上。 水道上。 油底壳上。
试述注意义务和忠实义务的区别。
您有一台运行 Windows 7 的计算机。需要确定上个星期安装了哪些应用程序。您应该怎么办？（） 从可靠性监视器，查看信息事件。 从系统信息，查看软件环境。 从性能监视器，查看系统诊断报告。 从性能监视器，运行系统性能数据收集器集。
温度是表示物体冷热程度的物理量，国际单位制常用单位是（）
