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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.)

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? （）

在“色彩范围”对话框中调整（）数值，可以调整颜色的范围。   反相。  消除锯齿。  颜色容差。 羽化。 铸刑书 Your company has a server that runs Windows Server 2008 R2. Active Directory Certificate  Services （AD CS） is configured as a standalone Certification Authority （CA） on the server. You  need to audit changes to the CA configuration settings and the CA security settings.     Which two tasks should you perform（） Configure auditing in the Certification Authority snap-in.。 Enable auditing of successful and failed attempts to change permissions on files in the %SYSTEM32%\CertSrv dire。 Enable auditing of successful and failed attempts to write to files in the %SYSTEM32%\CertLog directory.。 Enable the Audit object access setting in the Local Security Policy for the Active Directory Certificate Service。 简述提高产酶量的措施有哪些 下列不属于垄断竞争市场特征的是（）。 产品是同质的，无差别的。 企业的数目比较多，彼此之间存在着激烈的竞争，这种竞争不是完全竞争，也不是完全独家垄断。 产品具有差别性，卖者即是垄断者、竞争者。 进入与退出市场比较容易。

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.)

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? （）