题目内容

扩展ACL编号从()到()。

A. 1;200
B. 100;200
C. 101;200
D. 100;199

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《飞猪旅行集市服务保障标准》具体的保障标准有哪些?

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?()

A. Use handlers for a tunneling routed event and mark the event as handled in the case of a problem.
B. Use handlers for a tunneling routed event and make the event as handled in the finally portion of a try-catch-finally code block.
C. Use handlers for a bubbling routed event and mark the event as handled in the case of a problem.
D. 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.

当采用了新技术、使用了新设备,民航空管运行单位应当进行年度安全培训。

A. 正确
B. 错误

民航空管从业人员经安全教育和培训后考核不合格的,经单位领导批准后可以上岗作业。

A. 正确
B. 错误

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