基站验收时天线方位角与规划设计误差必须在（）度以内
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手提式干粉灭火器的使用方法是什么？适应扑救哪些火灾？
谷类粮食的主要成分是糖类，约占65%～80%，其中最主要的是（）。
A. 蛋白质
B. 脂肪
C. 淀粉
D. 葡萄糖
期货公司会员单位执行投资者适当性制度时应遵循的原则是（）。
A. 利润最大化
B. 买卖自负
C. 将适当的产品销售给适当的投资者
D. 外控合规
You create a Web page named TestPage.aspx and a user control named TestUserControl.ascx. TestPage.aspx uses TestUserControl.ascx as shown in the following line of code. On TestUserControl.ascx， you need to add a read-only member named CityName to return the value "New York". You also must add code to TestPage.aspx to read this value. Which two actions should you perform？（）
Add the following line of code to the TestUserControl.ascx.cs code-behind file. public string CityName { get { return "New York"; } }
B. Add the following line of code to the TestUserControl.ascx.cs code-behind file. protected readonly string CityName = "New York";
C. Add the following code segment to the TestPage.aspx.cs code-behind file. protected void Page_Load(object sender, EventArgs e) { string s = testControl.CityName; }
D. Add the following code segment to the TestPage.aspx.cs code-behind file. protected void Page_Load(object sender, EventArgs e) { string s = testControl.Attributes["CityName"]; }&e
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