历史分析法
You use Microsoft Visual Studio 2010 and Microsoft . NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a WPF window in the application. You add the following code segment to the application. public class ViewModel { public CollectionView Data { get; set; } } public class BusinessObject { public string Name { get; set; } } The DataContext property of the window is set to an instance of the ViewModel class. The Data property of the ViewModel instance is initialized with a collection of BusinessObject objects. You add a TextBox control to the Window. You need to bind the Text property of the TextBox control to the Name property of the current item of the CollectionView of the DataContext object. You also need to ensure that when a binding error occurs, the Text property of the TextBox control is set to N/A . Which binding expression should you use?（） [" { Binding Path=Data\/Name, FallbackValue='N\/A' }"," { Binding Path=Data.Name, FallbackValue='N\/A' }"," { Binding Path=Data\/Name, TargetNullValue='N\/A' }"," { Binding Path=Data.Name, TargetNullValue='N\/A' }"]
下列桥台中属于拱桥轻型桥台的是（）。 ["埋置式桥台","靠背式框架桥台","背撑式桥台","空腹式桥台"]
阮籍的诗歌创作的主要体制是（） ["五言诗","七言诗","四言诗","杂言诗"]
You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. The network contains servers that have Terminal Server enabled. The terminal servers host legacy applications that currently require users to be members of the Power Users group. A new requirement in the company’s written security policy states that the Power Users group must be empty on all resource servers. You need to maintain the ability to run the legacy applications on the terminal servers when the new security requirement is implemented. What should you do？ （） [" Add the Domain Users global group to the Remote Desktop Users built-in group in the domain. "," Add the Domain Users global group to the Remote Desktop Users local group on each terminal server."," Modify the Compatws.inf security template settings to allow members of the local Users group to run the applications. Import the security template into the Default Domain Controllers Policy Group Policy object （GPO）."," Modify the Compatws.inf security template settings to allow members of the local Users group to run the applications. Apply the modified template to each terminal server."]
试述药芯焊丝CO焊有何优点？
