You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application displays a list of books. You write the following code fragment. (Line numbers are included for reference only.) You need to ensure that book titles that are out of stock appear in red. Which code fragment should you insert at line 12?()

。

。

。

。
什么是绿色施工?
在常温条件下,墙体混凝土强度必领超过()N/mm2时方可拆模。 0.5。 0.7。 1。 1.2。
简述课外活动的指导原则?
伦理学
在搜索引擎中,网页排序和关键词的相关度评价工作由哪一部分来完成?()