风险的三个基本要素是什么?
金融环境的组成要素有()。 ["金融机构","金融工具","金融交易所","金融市场","利率"]
国际邮包运输具有国际多式联运和“门到门”运输的性质。
某筑坝围海工程完成过半时,遭遇强台风正面登陆,堤坝已完合格部分被摧毁,不得不重新设计,工期延长,其损失应由()承担。 ["A.承包人 ","B.业主 ","C.设计单位 ","D.监理单位"]
You are creating a composite control for capturing user address information in a Web application. You define a number of properties that the user can set at design time. You need to group these properties in the Properties dialog box. In addition, you need to ensure that when users click on a particular property, they receive a short explanation of that property. The properties are shown in the exhibit. Which two actions should you perform?() [" Attach the Category attribute class to the controls class definition. Set its value to UserAddress. Mark the class as public."," Attach the Browsable attribute class to each property in the group. Set its value to True. Mark the property as private."," Attach the Category attribute class to each property in the group. Set its value to UserAddress. Mark the property as public."," Attach the Description attribute class to each property in the group. Set each value to a description of the given property."," Attach the DefaultProperty attribute class to each property in the group. Set each value to a description of the given property."]
观光农业按经营模式分类有哪些?