You are the network administrator for your company. All servers run Windows Server 2003. You configure a server named Server2 as a Network Address Translation （NAT） server. Server2 has a single network adapter and a modem. Server2 connects to the Internet through a demand-dial connection. Users report that when they attempt to connect to Internet Web sites， they intermittently receive the following error message： "Page not found." After waiting for several minutes， they can connect to the Web sites. These errors occur throughout the day. You need to configure Server2 to allow users to always connect to Internet Web sites. What should you do？（） Set the demand-dial connection to Persistent.。 Set the dial-out hours on the demand-dial connection to any day and any time.。 Set a demand-dial filter. Configure the filter for Only allow the following traffic. Specify a new filter for outbound port 80.。 Configure the demand-dial interface as the private interface.。
硫酸镁静脉注射给药可产生（） 止泻作用。 缓泻作用。 镇静作用。 催眠作用。
You are developing a Windows Presentation Foundation (WPF) application. The application contains stylized body text and heading text. The heading text is a slight variation of the body text. You need to ensure that if the body text changes, the heading text automatically inherits those changes. What should you do ?（） Set the Value property of the style setter to point to a static resource。 Set the BasedOn property of the heading style to point to a static resource for the body text style。 Set the Key property of the heading style to start with the name of the body text style。 Set the TargetType property of the heading style to TextBlock。
市场经济是通过市场配置经济资源的（）。 经济组织形式。 基本制度。 商品经济。 经济体制。
为提高抗菌效果和延缓耐药性的产生，常与磺胺类联合的药物是（） 甲氧苄啶（TMP）。 多西环素。 红霉素。 诺氟沙星。
下列工程量清单招标的有关投标报价的描述中，正确的有（）
