在P2P网络中，节点的功能不包括（）。 ["下载","生成","加密","信息追踪"]
如何鉴定活字印刷本书籍的版本？
下面哪一项不是重型肝炎的临床表现：（） ["严重黄疸","凝血酶原时间延长","发热","中毒性鼓胀及腹水","肝肿大"]
关于WWW服务，下列说法中错误的是（）。 ["可显示多媒体信息","使用超链接技术","工作在客户端\/服务器模式","用于提供高速文件传输服务"]
You are developing an ASP.NET Web page that contains input controls， validation controls， and a button named btnSubmit. The page has the following code-behind.01 Public Class _Default 02 Inherits System.Web.UI.Page03 04 Protected Sub SaveToDatabase（）05 06 End Sub07 08 Protected Sub btnSubmit_Click（ByVal sender As Object，09 ByVal e As EventArgs） Handles btnSubmit.Click10 11 End Sub12 13 End Class You need to ensure that all data that is submitted passes validation before the data is saved in a database. What should you do？ （）
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