目前国内地铁项目的PPP运作模式主要有（） 贷款贴息模式。 前补贴模式。 经营权转让模式。 后补贴模式。 所有权转让模式。
You are one of the network administrators for your company. All network servers run Windows Server 2003. Your company operates a total of four offices. The office where you work has 15 servers. You are responsible for supporting and maintaining all of these servers. You need to design a monitoring plan that will achieve the following goals: Track all performance changes on the servers. Record performance data to anticipate the need for future upgrades. What should you do? （） On each server in your office, use Performance Logs and Alers to create a baseline log. Configure the log to collect data every five minutes for one day. Use the same counters for each server to create a log file. Schedule the log to run weekly.。 From a monitoring computer, use Performance Logs and Alerts to create a baseline log for each server in your office. Configure the log to collect data every five minutes for one day. Use the same counters for each server to create a log file. Schedule the log to run weekly.。 On each server in your office, use Performance Logs and Alerts to create threshold-based alerts. Configure the alerts to send a message to your monitoring computer when they are triggered. Set each alert to start a new scan when the alert finishes.。 From a monitoring computer use Performance Logs and Alerts to create a new counter set in System Monitor. Configure the counters to run continuously.。
新“四化”主要是指（）。 A.网络化 。 B.智能化 。 C.服务化 。 D.协同化。
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.。
进入煤气管道内部工作，所用照明电压不得超过（）V。
