排污阀的主要作用是（） ["加强锅炉水循环","排放锅炉内的水垢泥沙","锅炉满水或停炉清洗时可以排放余水","炉水取样"]
水压试验的条件。
Your network contains a server named Server1 that runs Windows Server 2008 R2. You create an Active Directory Lightweight Directory Services （AD LDS） instance on Server1. You need to create an additional AD LDS application directory partition in the existing instance. Which tool should you use（） ["Adaminstall","Dsadd","Dsmod","Ld"]
互联网金融对生活的冲击有（）。 ["新需求增多","提高效率","跨界竞争","网络基金"]
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."]
简述舒尔茨的人力资本理论。
