[单选]

You use Microsoft .NET Framework 4 to create a Windows Forms application.
You write the following code segment. (Line numbers are included for reference only.)
01sealed class FormSettings :

You need to ensure that the first time each user opens the application, a text field displays the following message: "Please enter your setting."
Which code segment should you insert at line 03?（）

跌落式熔断器应安装牢固，排列整齐，高低一致，熔管轴与地面的垂线夹角为（）。 10度-15度。 15度-30度。 30度。 30度-45度。 Your company has 300 portable computers that run Microsoft Office Enterprise 2007. The company participates in the Microsoft Software Assurance program.  You are designing a solution that enables remote employees to use Office and to access their Home folders. You plan to implement a Remote Desktop Services （RDS） infrastructure， and you plan to deploy Office Enterprise 2007 as a virtual application on the RDS servers. You need to choose the appropriate licenses.  Which licensing solution should you choose？（） 1 Office Enterprise 2007 license and 300 App-V for Terminal Services licenses。 300 Office Enterprise 2007 licenses and 300 App-V for Terminal Services licenses。 300 Office Enterprise 2007 licenses and 300 Microsoft Desktop Optimization Pack （MDOP）licenses。 300 Windows Server 2008 R2 RDS client access licenses （CALs）。 简述“新记”《大公报》的“四不”方针。 1992年邓小平在武昌、深圳、珠海、上海等地南巡讲话中提出“三个有利于”是（）。 是否有利于发展社会主义社生产力。 是否有利于祖国统一。 是否有利于增强社会主义国家综合国力。 是否有利于提高人民的生活水平。 核准主义

You use Microsoft .NET Framework 4 to create a Windows Forms application.
You write the following code segment. (Line numbers are included for reference only.)
01sealed class FormSettings :

You need to ensure that the first time each user opens the application, a text field displays the following message: "Please enter your setting."
Which code segment should you insert at line 03?（）