企业在追求自己的目标时，会使社会受益，因而企业的目标与社会的目标是一致的。
You use Microsoft .NET Framework 4 to create a Windows Forms application. You add a new class named Customer to the application. You select the Customer class to create a new object data source. You add the following components to a Windows Form: A BindingSource component named customerBindingSource that is data-bound to the Customer object data source. A set of TextBox controls to display and edit the Customer object properties. Each TextBox control is data-bound to a property of the customerBindingSource component. An ErrorProvider component named errorProvider that validates the input values for each TextBox control. You need to ensure that the input data for each TextBox control is automatically validated by using the ErrorProvider component. Which two actions should you perform?（） [" Implement the validation rules inside the Validating event handler of each TextBox control by throwing an exception when the value is invalid."," Implement the validation rules inside the TextChanged event handler of each TextBox control by throwing an exception when the value is invalid."," Implement the validation rules inside the setter of each property of the Customer class by throwing an exception when the value is invalid."," Add the following code segment to the InitializeComponent method of the Windows Form. this.errorProvider.DataSource = this.customerBindingSource;"," Add the following code segment to the InitializeComponent method of the Windows Form. this.errorProvider.DataSource = this.customerBindingSource.DataSource; this.errorProvider.DataMember = this.customerBindingSource.DataMember"]
建立施工安全管理制度体系原则之一是贯彻"安全第一，预防为主"的方针，企业必须建立健全（），确保工程施工劳动者的人身和财产安全。 ["安全生产责任制","岗位责任制","群防群治制度","项目经理负责制","作业人员持证上岗"]
旅游心理学研究的人的行为主要包括（） ["旅游者行为","旅游服务行为","购买行为","旅游策划行为","旅游企业管理行为"]
假定在名称为教学库的数据库中包含有学生、课程和选课三个表，它们的定义如下所示：
学生（学生号char（7），姓名char（8），性别char（2），专业char（10），年级int）
课程（课程号char（4），课程名char（10），课程学分int）
选课（学生号char（7），课程号char（4），成绩int）
在下面查询语句中，所使用的字段函数sum是用来（）。 select sum（成绩） from 选课 ["求平均值","求最大值","求最小值","求总和"]
试述行政赔偿诉讼与刑事赔偿诉讼的区别。
