题目内容（请给出正确答案）

[主观题]

费希纳定律是在韦伯定律的基础上发展起来的，其前提假设是：（） A. 韦伯分数是一个常数B. 每个最

费希纳定律是在韦伯定律的基础上发展起来的，其前提假设是：（）

A. 韦伯分数是一个常数

B. 每个最小可觉差主观相等

C. 仅在中等刺激强度范围内有效

D. 不同感觉系统韦伯分数差异很大

查看答案

如搜索结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装上学吧APP，拍照搜题省时又省心！

更多“费希纳定律是在韦伯定律的基础上发展起来的，其前提假设是：（）…”相关的问题

第1题

You create a master page named PageBase.master. The master page contains a Label control n

amed lblTitle.You create a content page that references the master page.You need to change the Text property of the master page‘s lblTitle control from the content page.Which code segment should you use？（）

点击查看答案

第2题

You are developing a product search page named Search.aspx for Web application that will b

e integrated into Certkiller .com‘s existing e-Commerce Web site. The Search.aspx page allows customers search for products that match specific criteria. Once a product is located, you want an image of the product to be displayed. You want to use an Image control to display the image. You want to configure the Image control to display a description of the image if the image cannot be displayed in the customer‘s Web browser.What should you do？（）

A.Set the ToolTip property of the Image control.

B.Set the ImageUrl property of the Image control.

C.Set the AlternateText property of the Image control.

D.Set the DescriptionUrl property of the Image control.

点击查看答案

第3题

You are developing a Windows Presentation Foundation （WPF) application that displays oppor

You are developing a Windows Presentation Foundation (WPF) application that displays opportunities from List<T.. class named Lead. The Lead class contains the properties Title and Revenue.You add a DataGrid control named dgQualifiedLeads to the MainWindow.xaml file. You set the ItemsSource property to Leads as follows.You need to ensure that CollectionViewSource is used to filter the list to display only Lead objects with revenue ...What should you do ？（）

点击查看答案

第4题

You are developing a Windows Communication Foundation （WCF) service that will be hosted in

You are developing a Windows Communication Foundation (WCF) service that will be hosted in Microsoft Internet Information Services (IIS) 7.0.The service must be hosted in an lIS application named Info. You need to enable this service to be hosted in llS by changing the web.config file.Which XML segment should you add to the web.config file？（）

点击查看答案

第5题

You are developing a Windows Communication Foundation （WCF) service that will be hosted in

You are developing a Windows Communication Foundation (WCF) service that will be hosted in Microsoft Internet Services (IIS) 7.0.The service must be hosted in an IIS application named Info. You need to enable this service to be hosted in IIS by changing the web.config file.Witch XML segment should you add to the web.config file？（）

点击查看答案

第6题

You are developing a new version of an existing message contract named CustomerDetailsVers

ion1. The new version of the message contract must add a Department field of type String to the SOAP header.You create a new class named CustomerDetailsVersion2 that inherits from CustomerDetailsVersion1. You need to ensure that all client applications can consume the service.Which code segment should you use？（）

点击查看答案

第7题

Certkiller .com‘s e-Commerce Web application contains a page named Products.aspx that uses

data source and data-bound server controls. Customers use the server controls to search for products. The Products.aspx page does not have an associated code-behind file. You need to convert the Products.aspx page to a user control so that its functionality can be reused on other pages.What should you do？（）

A.Move the Products.aspx page to the App_Code folder.

B.Create a code-behind file for the Products.aspx page.

C.Rename the Products.aspx page to Products.ascx..

D.Remove all server controls from the Products.aspx page.

E.Replace the Page directive with a Control directive.

点击查看答案

第8题

You are developing a Web application. The Web application restricts access to an administr

ative page. The Web application uses the following code segment to protect the page.if (Page.User.Identity.Name != @"CONTOSO\Administrator") { the page, you are redirected to Login.aspx. You discover that the User.Identity.Name property is not being correctly populated. You need to ensure that you can access the page when you are logged on as Administrator. Which two actions should you perform？（）

A. In the Web.config file, enable impersonation.

B. In IIS, enable anonymous access.

C. In IIS, disable anonymous access.

D. In the Web.config file, set the authentication mode to Windows.

点击查看答案

第9题

You are developing a Windows Presentation Foundation （WPF) application. All of the applica

You are developing a Windows Presentation Foundation (WPF) application. All of the application styles are in the file name Themes.dllYou have the followiing markup segment.BlueBackground is defined in a XAML file named BlueTheme.xaml. The XAML markup is compiled into the Themes.dll file.You need to ensure that the XAML file is referenced so that the application can apply the settings in the BlueBackground style.（）

点击查看答案