You are developing a Web control. The Web control captures user address information in a Web application. You create a class named AddressControl that inherits from CompositeControl. This control consists of child controls.You need to ensure that the child controls are properly output to the browser.Developers using your control must be able to set the appropriate text for labels. In addition, they must be able to pull user address information from the associated text boxes during postback. What should you do?（） [" Override the EnsureChildControls method of the base class. Add the child controls to the base container."," Override the CreateControlCollection method of the base class. Add the child controls to the ControlCollection class"," Override the CreateChildControls method of the base class. Add the child controls to the base container."," Override the DataBindChildren method of the base class. Add the child controls to the ControlCollection class."]
关于DB模式下列说法正确的有（） ["对于业主来说工期不可控制","确定进度付款易产生争议","对于承包商来说，DB干好利润大，同时责任大，风险大","设计变更导致分项间的调整难度大","DB模式具有责任单一性的特点"]
在面向对象的数据库中，对象标识（）。 ["与数据的描述方式有关","与对象的物理存储位置有关","与数据的值有关","是指针一级的概念"]
简述线性回归分析和灰色预测模型计算的主要步骤？
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application that displays a high-resolution graphic image named Image1.jpg. You need to limit the width of the image to 200 pixels. You also need to preserve the aspect ratio of the image. Which code fragment should you use?（） [" <Image Width="200" Source="Image1.jpg"\/> <Image Width="200" Height="200" Source="Image1.jpg"\/> <ImageWidth="200"><Image.Source>"," <BitmapImage DecodePixelWidth="200"DecodePixelHeight="200"UriSource="Image1.jpg" \/> <\/Image.Source>"," <\/Image><Image Width="200"><Image.Source>"," <BitmapImage DecodePixelWidth="200" UriSource="Image1.jpg" \/><\/Image.Source> <\/Image>"]
在Photoshop中，（）工具可以增加或降低图像的色彩饱和度。
