举例说明散文“结构形散神聚”的特点。
原告委托律师作为诉讼代理人进行诉讼，诉讼过程中对其律师的授权范围作了变动，原告依法应（）。 ["及时书面通知律师事务所","及时书面通知被告","书面告知法院，由法院通知被告","书面告知鉴定人"]
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."]
各型病毒性肝炎中，较易发生原发性肝细胞癌者为乙型和戊型肝炎患者。
试述设备拆卸（解体）应遵循哪些基本原则？
水轮机调节系统中油压装置由哪些部件和配件组成，各起什么作用？
