没有冲突的自我领域
我国医疗器械分类目录中共有类代码（）个。
分析明清江南私家园林水面处理手法。
分析北京故宫中轴线前三殿以南的空间处理手法？
You work as an ASP.NET Web Application Developer for SomeCompany. The company uses Visual Studio .NET 2010 as its application development platform.You create an ASP.NET Web site using .NET Framework 4.0. Only registered users of the company will be able to use the application. The application holds a page named UserAccount.aspx that enables new users to register them to the registered users„ list of the company. The UserAccount page hold numerous TextBox controls that accept users personal details， such as user name， password， home address， zipcode， phone number， etc. One of the TextBox controls on the page is named ZipCode in which a user enters a zip code. You must ensure that when a user submits the UserAccount page， ZipCode must contain five numeric digits. What will you do to accomplish this？（） ["Use RangeValidator.","Use RegularExpressionValidator","Use RequiredValidator","Use CompareValidator","Use RequiredFieldValidator"]
南北朝时石窟寺有几种类型？
