[单选] 施工方的项目管理工作主要在（）阶段进行。

煤气净化操作电捕焦油器运行时其顶部绝缘处温度必须在（）℃规定范围内。 20~40。 40~60。 60~80。 80~100。 市场因素是如何影响国际营销定价的？ 下列标识符可以作为局部变量使用（）。 A。 B。 C。 D。 You develop a Web control. The Web control consists of labels and associated text boxes.You need to ensure that the Web control has both toolbox and visual designer support. What should you do?（） Add a Web Control Library project to your solution. Define a class that inherits from CompositeControl.。 Add a Windows Control Library project to your solution. Define a class that inherits from UserControl.。 Add a Web User Control to your project. Define a class that inherits from UserControl.。 Add a Mobile Web User Control to your project. Define a class that inherits from MobileUserControl.。 You are the network administrator for your company. The network consists of a single Active Directory domain. All network servers run Windows Server 2003. You install the Remote Administration tools on a server named Server1, selecting all default settings. In Internet Explorer, you type https://server1/admin. You receive the following error message: "HTTP Error 404 - File or directory not found." You open IIS Manager and see the configuration shown in the exhibit. (Click the Exhibit button.) You need to ensure that you can use Internet Explorer to administer Server1. What should you do?（） In Internet Explorer, type http://server1:8099.。 In Internet Explorer, type http://server1.。 Install the Remote Desktop Web Connection subcomponent of the World Wide Web services.。 In Internet Explorer, type https://server1:8098.。 In Internet Explorer, type https://server1.。 施工方的项目管理工作主要在（）阶段进行。