在煤气设备内作业所用的照明电压不得高于（）V。 ["36","12","24"]
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application contains a DataSourceControl named CategoriesDataSource that is bound to a Microsoft SQL Server 2005 table. The CategoryName column is the primary key of the table. You write the following code fragment in a FormView control. （Line numbers are included for reference only.） 01 <tr> 02 <td align="right"><b>Category：</b></td> 03 <td><asp：DropDownList ID="InsertCategoryDropDownList" 04 05 DataSourceID="CategoriesDataSource" 06 DataTextField="CategoryName" 07 DataValueField="CategoryID" 08 RunAt="Server" /> 09 </td> 10 </tr> You need to ensure that the changes made to the CategoryID field can be written to the database. Which code fragment should you insert at line 04？（） ["A","B","C","D"]
接户线与通信、广播线交叉时，接户线在上时其最小距离为（）。 ["0.6m","0.8m","1.5m","2.5m"]
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 a Web server named Server1 that runs IIS 6.0 and hosts a secure Web site. The Web site is accessible from the intranet， as well as from the Internet. All users must authenticate when they connect to Server1. All users on the Internet must use a secure protocol to connect to the Web site. Users on the intranet do not need to use a secure protocol.You need verify that all users are using a secure protocol to connect to Server1 from the Internet. What are two possible ways to achieve this goal？（） ["Monitor the events in the application log on Server1.","Monitor the events in the security log on Server1.","Monitor the Web server connections on Server1 by using a performance log.","Monitor network traffic to Server1 by using Network Monitor.","Monitor the IIS logs on Server1."]
试评价双因素理论？
（）可以载入经常使用按钮形状和图案。
