.net：

left（“Asp.net”，4）的值为（）”

A:”A、sp” B:”.net” C:”A、sp.” D:”A、spn

? ?Internet use appears to cause a drop in psychological health, according to research at Carnegie Mellon University.
? ?Even people who spent just a few hours a week on the Internet experienced more bad feelings and loneliness than those who was online less frequently, the two-year study showed. Researchers are puzzling over the results, which were completely contrary to their expectations. They expected that the Net would prove socially healthier than television, since the Net allows users to choose their information and to commnunicate with others.
? ?The fact that Internet use reduces time available for family and friends may account for the drop in psychological health, researchers hypothesized (推测). Faceless, bodiless "virtual" communication may be less psychologically satisfying than actual conversation, and the relationships formed through it may be shallower. Another possibility is that exposure to the wider world through the Net makes users less satisfied with their lives.
? ?"But it’s important to remember this is not about the technology, it’s about how it is used," says psychologist Christine Riley of Intel, one of the study’s sponsors. "It really points to the need for considering social factors in terms of how you design applications and services for technology. /

What’s the finding of the research undertaken at Carnegie Mellon University?

A:People spend more time on the Internet now. B:People spend less time with their families and friends now. C:The Net proves socially healthier than television. D:Internet use may cause a drop in psychological healt

? ?Internet use appears to cause a drop in psychological health, according to research at Carnegie Mellon University.
? ?Even people who spent just a few hours a week on the Internet experienced more bad feelings and loneliness than those who was online less frequently, the two-year study showed. Researchers are puzzling over the results, which were completely contrary to their expectations. They expected that the Net would prove socially healthier than television, since the Net allows users to choose their information and to commnunicate with others.
? ?The fact that Internet use reduces time available for family and friends may account for the drop in psychological health, researchers hypothesized (推测). Faceless, bodiless "virtual" communication may be less psychologically satisfying than actual conversation, and the relationships formed through it may be shallower. Another possibility is that exposure to the wider world through the Net makes users less satisfied with their lives.
? ?"But it’s important to remember this is not about the technology, it’s about how it is used," says psychologist Christine Riley of Intel, one of the study’s sponsors. "It really points to the need for considering social factors in terms of how you design applications and services for technology. /

What had the researchers expected before the research?

A:The Net may account for the drop in psychological health. B:Internet use may improve social health. C:Internet use has nothing to do with social health. D:Spending much time on the Internet makes people feel bad and lonely.

NET的描述，错误的是______。

A:Microsoft.NET是一个程序运行平台 B:.NETFramework管理和支持.NET程序的执行 C:VisualStudio.NET是一个应用程序集成开发环境 D:编译.NET时，应用程序被直接编译成机器代码

有关.NET框架的描述，（）是错误的。

A:Visual Studio.NET是.NET平台的开发工具 B:.NET是ASP.NET的一个应用实例，是ASP.NET的一部分 C:.NET框架兼容了COM/DCOM基础结构 D:通过WebService技术可以实现.NET与J2EE的互操作

以下关于.NET的描述，错误的是（）

A:Microsoft.NET是一个程序运行平台 B:.NET Framework管理和支持.NET程序的执行 C:Visual Studio.NET是一个应用程序集成开发环境 D:编译.NET时，应用程序被直接编译成机器代码

有关.NET框架的描述，________是错误的。

A:Visual Stubio.NET是．NET平台的开发工具 B:．NET是ASP.NET的一个应用实例，是ASP.NET的一部分 C:．NET框架兼容了COM/DCOM基础结构部分 D:通过Web Service技术可以实现．NET与J2EE的互操作

以下关于 .NET的描述，错误的是（ ）。

A:Microsoft .NET是一个程序运行平台 B:.NET Framework管理和支持.NET程序的执行 C:Visual Studio .NET是一个应用程序集成开发环境 D:编译.NET时，应用程序被直接编译成机器代码