[问答题] 简述缩宫素的药理作用、临床应用及应用注意。

You are developing a Windows Presentation Foundation (WPF) application. An event triggers a workflow such that a parent control executes the event handlers before the child controls. You need to ensure that if a parent controls event handler encounters an error, the subsequent handlers are not called. What should you do?（） [" Use handlers for a tunneling routed event and mark the event as handled in the case of a problem."," Use handlers for a tunneling routed event and make the event as handled in the finally portion of a try-catch-finally code block."," Use handlers for a bubbling routed event and mark the event as handled in the case of a problem."," Use handlers for a bubbling routed event and set the Handled property of the RoutedEventArgs object to true in the catch portion of a try-catch-finally code block."] 基本出资制 对于高中生的职业生涯设计，下列说法错误的是（）。 ["尽早确定自己的职业生涯发展规划","注意自己的职业兴趣","高三之前，已全面发展为基础","形成自己的爱好和优势学科"] 婚外情是常见的婚姻挫折之一，遇到配偶的婚外情时应该立即放弃婚姻，以免长期的苦恼。（） 你是公司销售部的台式机管理员。部门共有20台Win2000专业版便携式电脑。你想升级这些电脑为WINXP专业版。你能成功的升级这20台电脑。但是，一个用户却说，他不能在”控制面板”里打开”添加/删除程序”项，你怀疑是因为一个破损的.dll文件。你打算用最省事地修复它，你的办法是什么？（） ["运行Sfc.exe命令扫描电脑","运行Sigverif.exe命令验证文件签名","运行Verify命令确保文件检查","重启电脑，选择最后的正确的配置"] 简述缩宫素的药理作用、临床应用及应用注意。