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低压透平轴高,与()、()等有关。

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古典经济学以()观点作为思想原则。

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You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a page that contains the following code fragment: You write the following code segment in the code-behind file for the page: void BindData(object sender, EventArgs e) { lstLanguages.DataSource = CultureInfo.GetCultures(CultureTypes.AllCultures); lstLanguages.DataTextField = "EnglishName"; lstLanguages.DataBind(); } You need to ensure that the lstLanguages ListBox control maintains the selection of the user during postback. Which line of code should you insert in the constructor of the page?()

A. this.Init += new EventHandler(BindData);
B. this.PreRender += new EventHandler(BindData);
C. lstLanguages.PreRender += new EventHandler(BindData);
D. lstLanguages.SelectedIndexChanged += new EventHandler(BindData)

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