公司制企业所有权和控制权的分离，是产生代理问题的根本前提。
评述“拒检运动”等国统区新闻出版社争取新闻自由斗争的经过与结果。
幼畜发生白肌病或雏鸡发生渗出性素质表明可能缺乏（） 硒或VE。 VA或VD。 VB1或VB2。 钙或磷。
下列选项中，属于我国大豆主产区的有（）。 A.黑龙江 。 B.吉林 。 C.辽宁 。 D.内蒙古。
You are developing a page named Products.aspx in a Web application that contains three DropDownList controls that are dynamically loaded from a SQL Server 2005 database file. The DropDownList controls represent a vendor list, a certification list, and an exam list. Certkiller .com customers use the Products.aspx page to select exams related to particular certifications on offer from a particular vendor. A Go button initiates the selection. Each DropDownList control has an associated RequiredFieldValidator control.Whenever the customer selects a vendor, and the vendor offers certifications, then the customer must also select a certification if the. If the vendor only offers exams and not certifications, the certification list should remain hidden. Whenever the customer selects a certification, the customer must also select an exam. Validation error messages should only be displayed when the Go button is clicked. You need to set properties on the vendor DropDownList control. What should you do?（） Set the AutoPostBack property to True and the CausesValidation property to False.。 Set the AutoPostBack property to False and the CausesValidation property to True.。 Set the AutoPostBack property to True and the CausesValidation property to True.。 Set the AutoPostBack property to False and the CausesValidation property to False.。
云南电网公司昆明供电局通过对其职工职业生涯路径进行改革，取得的收获有哪些（）。
