题目内容

根据GB5725-2009《安全网》3.1中定义,按照安全网的功能可分为()。

A. 安全平网
B. 安全立网
C. 密目式安全平网
D. 密目式安全立网

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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. English Chinese Japan Korean - 92 - Test Information Co., Ltd. All rights reserved. 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);&e

II类载荷

装置操作人员如何防触电?

()是企业标准体系实施的原则。

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