[填空题] 影响酶生物合成模式的主要因素：（）（）。

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.  You add a DataGrid named gridContacts that is data-bound to a collection of Contacts. Each item has the ContactName and Phone properties.   The DataGrid contains a column named ContactNameColumn that is bound to ContactName.  You write the following code fragment.  You need to ensure that the application meets the following requirements:  Phone number is shown as a row detail when the row is selected. Only ContactName can be edited.  What should you do?（） ["","","",""] 事故的预防原则有哪些？ 编制施工进度控制的工作流程，属于施工方进度控制措施的（）。 ["组织措施","经济措施","管理措施","技术措施"] 结构调整出现积极变化有（）。 ["服务业增长势头显著","内需不断扩大","中国经济正在向形态更高级、分工更复杂的阶段演化","中国经济正在向结构更合理的阶段演化"] 锅炉的停炉保养方法主要有（） ["压力保养","湿法保养","干法保养","充气保养"] 影响酶生物合成模式的主要因素：（）（）。