在用例图中，用例与用例之间的关系通常有（）、（）和（）。
详细调查的内容有哪些？（） ["业务流程调查","数据流程调查、和处理功能分析","现行系统的目标","组织结构调查"]
（）是争取入党的首要问题。 ["端正入党动机","良好的态度","年满十八岁"]
Exhibit: You are developing a Web application. The Web application uses a GridView control to display data. You build your Web Forms for the Web application by dragging and dropping tables from the Data Connections tree in Server Explorer. You need to add a connection to your data by using the Add Connection dialog box as shown in the exhibit. During the process, you need to configure the .NET Data Provider that you use to create the data source objects. What should you do?（） [" Right-click the connection, and click Properties. Modify the Provider property of the data connection."," Click the Change button, and change the data provider for the selected data source."," Click the Advanced button, and change the Data Source property to the target provider."," Click the Advanced button, and change the Application Name property to the target provider."]
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举例说明散文“结构形散神聚”的特点。
