失恋者的心理调节法有（） ["采用认知疗法","改变认知视角","适度的宣泄","移情"]
挥发油由（）、（）、（）及（）四类成分组成，其中（）所占比例最大。
You are creating a Windows Forms application for a financial service provider by using the .NET Framework 3.5. You have to implement a multiple document interface （MDI） in the application to allow users to open multiple financial documents simultaneously.You need to ensure that whenever the child MDI form is created， the application displays a message in the title bar of the parent MDI that a child form has received focus. What should you do？（） ["Implement theActivated event","Implement the MdiChildActivate event","Override the OnParentVisibleChanged method","Override the OnParentBindingContextChanged method"]
2010版建筑业10项新技术中哪项不是混凝土技术中的（） ["A.高强高性能混凝土 ","B.轻骨料混凝土 ","C.超高泵送混凝土技术 ","D.高性能混凝土技术"]
为了降低配送运输成本，对货物进行装车调配、优化处理，提高车辆在容积和载货两方面的装载效率，这称为（）。 ["积载","装载","卸载","加载"]
奥氏体不锈钢能否通过热处理来强化？为什么？生产中用什么方法使其强化？
