题目内容

认真落实安全生产各项组织措施和技术措施，配备充足的、经（）检测合格的安全工器具和防护用品，并按照有关标准、规程要求定期检验，禁止使用不合格的工器具和防护用品，提高作业安全保障水平。

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You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application contains a composite user control that includes a TextBox control named txtInput. The user control will be hosted in a window and will have handlers for the text-changed event of txtInput. You need to ensure that the application meets the following requirements: AddHandler(TextBox.TextChangedEvent, new RoutedEventHandler(Audit_TextChanged), true); Which of the following statments are TRUE ?（）

A text-changed event handler, named Audit_TextChanged, was Created for the txtInput control.
B. Audit_TextChanged will stop running because the event is marked as handled by certain event handlers.
C. Even through the event is marked handled by certain event handlers, Audit_TextChanged will still run.
D. Audit_TextChanged will continue to run until the event is marked as handled.

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什么是一般照明？

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HP8146A-OTDR中，选择光标A附近轨迹的键是（）。

AroundMkrA
B. MARKERA
C. AroundMkrB
D. MARKERB

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Internet上计算机的IP地址有哪两种表示形式（）

A. IP地址和域名
B. IP地址和中文域名
C. IP地址和网络
D. 网络和域名

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