You are creating a custom user control. The custom user control will be used on 10 Web Forms for an ASP.NET Web site that allows users to register and log on to a personalized experience. The custom user control uses two TextBox controls and two Button controls. You need to ensure that the controls are visible only when users are not logged on to the Web site. You also need to minimize the amount of effort in development and maintenance for the Web site. Which two actions should you perform? （） Add the OnClick event handler for the Login button to the code used in the custom user control.。 Add the OnClick event handler for the Login button to the code used in the Web Form where the control is added.。 In the Page_Load method of the Web Form, add a code segment to set the visibility of the TextBox and Button controls where the control is added.。 In the Page_Load method of the custom user control, add a code segment to set the visibility of the TextBox and Button controls.。
Your network contains a server named Server1 that runs Windows Server 2008 R2. On Server1， you create an Active Directory Lightweight Directory Services （AD LDS） instance named Instance1. You connect to Instance1 by using ADSI Edit. You run the Create Object wizard and you discover that there is no User object class. You need to ensure that you can create user objects in Instance1. What should you do（） Run the AD LDS Setup Wizard.。 Modify the schema of Instance1.。 Modify the properties of the Instance1 service.。 Install the Remote Server Administration Tools （RSAT）.。
在社会劳动过程中，劳动（）。 仅仅是为了个人谋生。 仅仅是为了社会服务。 只是为了个人谋生，而不是为社会服务。 既是为个人谋生，也是为社会服务。
影响课堂管理的因素。
假设某计算机的字长为8位，则十进制数（－100）10的反码表示为（） 11100100。 10011100。 10011011。 10011001。
美国政府为扭转制造业竞争力下降，提出并倡导的敏捷制造发生于20世纪（）
