MVC3+EF4.1code first【Microsoft官网】

Project Description
Demo web app using ASP.NET MVC 3 RTM, Razor, EF Code First and Unity 2.0

Check out the following blog posts

Developing web apps using ASP.NET MVC 3, Razor and EF Code First - Part 1

Developing web apps using ASP.NET MVC 3, Razor and EF Code First - Part 2

Dependency Injection in ASP.NET MVC 3 using DependencyResolver and ControllerActivator

Mobile enabled web apps with ASP.NET MVC 3 and jQuery Mobile