何谓大分子结合修饰？有何作用？
某企业2007年10月承接一项设备安装劳务，劳务合同总收入为200万元，预计合同总成本为140万元，合同价款在签订合同时已收取，采用完工百分比法确认劳务收入。2007年已确认劳务收 入80万元，截至2008年12月31日，该劳务的累计完工进度为60%。2008年该企业应确认的劳务收入为（）万元。 36。 40。 72。 120。
举例说明语言在文学中的角色。
宪法是国家的（）。 基本法。 根本大法。 基础法律。 行政法规。
A Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the IDataAccess contract, which is defined in the MyApplication namespace. The service is implemented in a class named DataAccessService which implements the IDataAccess interface and also is defined in the MyApplication namespace. The hosting code is as follows. (Line numbers are included for reference only.) 01 static void Main(string[] args) 02 { 03 ServiceHost host; 04 ... 05 host.Open(); 06 Console.ReadLine(); 07 host.Close(); 08 } You need to create a ServiceHost instance and assign it to the host variable. You also need to instantiate the service host.Which line of code should you insert at line 04?（） host = new ServiceHost("MyApplication.DataAccessService");。 host = new ServiceHost("MyApplication.DataAccess");。 host = new ServiceHost(typeof(IDataAccess));。 host = new ServiceHost(typeof(DataAccessService))。
You design a Business Intelligence （BI） solution by using SQL Server 2008. You create a SQL Server 2008 Reporting Services （SSRS） solution. You create reports by using Microsoft Visual Studio .NET 2008. The development team of your company must create 50 SSRS reports. You need to ensure that the company logo and the company name are included in the page header of all the reports. What should you do？（）
