[单选] You create a Web page named TestPage.aspx and a user control named contained in a file named TestUserControl.ascx.You need to dynamically add TestUserControl.ascx to TestPage.aspx. Which code segment should you use？（）

A . protected void Page_Load（object sender， EventArgs e） { Control userControl=Page.LoadControl（"TestUserControl.ascx"）； Page.Form.Controls.Add（userControl）； }
B . protected void Page_Load（object sender， EventArgs e） { Control userControl = Page.FindControl（"TestUserControl.ascx"）； Page.Form.Controls.Load（userControl）； }
C . protected void Page_PreInit（object sender， EventArgs e） { Control userControl =Page.LoadControl（"TestUserControl.ascx"）；Page.Form.Controls.Add（userControl）； }
D . protected void Page_PreInit（object sender， EventArgs e） { Control userControl = Page.FindControl（"TestUserControl.ascx"）； Page.Form.Controls.Load（userControl）； }

不属于静态投资的费用有（）建筑安装工程费。设备、工器具购置费。建设期贷款利息。基本预备费。什么是成本报表？成本报表的作用是什么？根据我国民事诉讼法之规定，合议庭的成员人数（）。必须是单数。可以是单数。应当是单数。既可以是单数，又可以是双数。 Refer to the exhibit. Which two statements are true about the output from the show standby vlan50 command？（） The command standby 1 preempt was added to Catalyst_A。 Catalyst_A is load sharing traffic in VLAN 50。 Hosts using the default gateway address of 192.168.1.1 will have their traffic sent to192.168.1.11 even after Catalyst_A becomes available again。 Hosts using the default gateway address of 192.168.1.2 will have their traffic sent toCatalyst_A。谈谈儿童欣赏文学的特殊性。 You create a Web page named TestPage.aspx and a user control named contained in a file named TestUserControl.ascx.You need to dynamically add TestUserControl.ascx to TestPage.aspx. Which code segment should you use？（）

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[单选] You create a Web page named TestPage.aspx and a user control named contained in a file named TestUserControl.ascx.You need to dynamically add TestUserControl.ascx to TestPage.aspx. Which code segment should you use？（）

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