阶级
You are creating an ASP.NET Web site. You create a HTTP module named Custom Module， and you register the module in the web.config file.The Custom Module class contains the following code. Public Class Custom Module Implements IHttpModule Dim footerContent As String = "Footer Content"Public Sub Dispose（） Implements IHttpModule.DisposeEnd SubEnd Class You need to add code to CustomModule to append the footer content to each processed ASP.NET page. Which code segment should you use？（） Public Sub New(ByVal app As HttpApplication) AddHandler app.EndRequest, AddressOf app_EndRequest End Sub Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs) Dim app As HttpApplication = TryCast(sender, HttpApplication) app.Response.Write(footerContent) End Sub 。 Public Sub Init(ByVal app As HttpApplication) _ Implements IHttpModule.Init AddHandler app.EndRequest, AddressOf app_EndRequest End Sub Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs) Dim app As HttpApplication = New HttpApplication() app.Response.Write(footerContent) End Sub 。 Public Sub New() Dim app As HttpApplication = New HttpApplication() AddHandler app.EndRequest, AddressOf app_EndRequest End Sub Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs) Dim app As HttpApplication = TryCast(sender, HttpApplication) app.Response.Write(footerContent) End Sub 。 Public Sub Init(ByVal app As HttpApplication) _ Implements IHttpModule.Init AddHandler app.EndRequest, AddressOf app_EndRequest End Sub Sub app_EndRequest(ByVal sender As Object, ByVal e As EventArgs) Dim app As HttpApplication = TryCast(sender, HttpApplication)app.Response.Write(footerContent) End Su。
版本有何作用？
板材的仰焊操作技术最难掌握，不易产生理想的焊缝成型，下列操作规程中不正确的是（）。 仰焊时只能采用左焊法。 当焊接开坡口工件时，应采用多层焊。 严格控制好熔池温度和熔池大小。 当焊接较厚工件时，应采用多层焊。
关于甲型肝炎的诊断， 哪一说法是错误的：（） 临床症状+大便分离出HAV可确诊为甲肝。 抗-HAV-IgM阴性不可排除甲肝。 临床症状+抗HAV-IgM阳性可确诊为甲肝。 临床症状+抗-HAV升高四倍可确诊为甲肝。 以上均不是。
（）是指由水泥、细骨料、矿物掺合料、外加剂和水以及根据性能确定的其他组分，按一定比例，在搅拌站经计量、拌制后、运至使用地点，并在规定时间内使用完毕的拌合物。
