溜槽、平硐溜井运输作业通常作为其他运输作业的中间环节，具有投资少、设备少、节约能源、经营费低、生产能力大等突出优点，适用于（）。 ["所有露天矿","地下矿","山坡露天矿"]
如下图所示，在Photoshop中，为了实现图中的描线效果，应选用的命令为（） [" 给选择区进行边框命令的应用"," 给选择区进行内部填充的应用"," 给选择区进行转换路径的应用"," 给选择区进行存储通道的应用"]
发情周期
调速器的调试内容主要是高速和怠速起作用时的（）。 ["负荷","转速","工况"]
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You write the following code segment in the code-behind file to create a Web form. (Line numbers are included for reference only.) 01 Dim strQuery As String = "select * from Products;" + _ "select * from Categories" 02 Dim cmd As New SqlCommand(strQuery, cnn) 03 cnn.Open() 04 Dim rdr As SqlDataReader = cmd.ExecuteReader() English Chinese Japan Korean - 47 - Test Information Co., Ltd. All rights reserved. 05 06 rdr.Close() 07 cnn.Close() You need to ensure that the gvProducts and gvCategories GridView controls display the data that is contained in the following two database tables: ¡¤The Products database tabl ¡¤The Categories database tabl Which code segment should you insert at line 05? （） ["A","B","C","D"]
在小区种植鉴定中，标准样品和品种描述都具有重要作用，田间检验员需要借助它们作为鉴定的重要参考依据。请分别指出标准样品和[品种描述在鉴定中的作用；
