群落中植物的重要值是指植物的（）、（）和（）的综合。
亲系
You are implementing an ASP.NET MVC 2 Web application that allows users to view and edit data. You need to ensure that only logged-in users can access the Edit action of the controller. What are two possible attributes that you can add to the Edit action to achieve this goal？ （） [Authorize（Users = ""）]。 [Authorize（Roles = ""）]。 [Authorize（Users = "*"）]。 [Authorize（Roles = "*"）]。
文学活动
高强混凝土中矿物掺和料的掺量宜为（）。 A.40% 。 B.50% 。 C.20% 。 D.45% 。 E.30%。
Your network uses IPv4.You install a server that runs Windows Server 2008 at a branch office.The server is configured with two network interfaces. You need to configure routing on the server at the branch office.Which two actions should you perform？ （Each correct answer presents part of the solution.（）
