在SQL Server中，通常使用（）数据类型来表示逻辑数据。
You are developing a Web application to display products. Products are displayed on different pages on your Web site. You want to create a user control to manage the display of products. You need a default visual implementation of the UI of the user control. In addition, you need to provide developers with the flexibility to change the layout and controls of the UI. Which three actions should you perform?（） [" Apply the TemplateContainerAttribute to a property of type ITemplate. Pass the type of the template's naming container as the argument to the attribute."," Apply the TemplateContainerAttribute to the user control's class declaration."," Implement a property of type INamingContainer in the user control's code-behind class."," Implement a property of type ITemplate in the user control's code-behind class."," Define a new class that inherits from the ITemplate interface. Implement the InstantiateIn method of the ITemplate interface."]
简述教学目标及其意义。
锅炉管道上的阀门应有明显标志，表明阀门的（） ["开关方向","介质流向","公称压力","公称公径"]
在Photoshop中，自由变换被常常用于对图像的变换，那么图像1使用自由变换中的（）变换后，才能出达到图像2所示的翻页效果。 ["透视","扭曲","斜切","变形"]
通货膨胀对国际企业经营会产生什么样的影响？
