题目内容

简述确定文件材料归档范围的依据和指导。

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创新技法最直接的作用，除了帮助创造者提出问题、发现问题、思考问题、分析问题之外，还有（）和（）。

A. 提出方案
B. 提出设想
C. 总结经验

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不对访谈的方式和内容预设严格的限制，而只按照一个大致的访谈提纲而围绕某一主题所进行的访谈是（）

A. 小组访谈法
B. 特殊访谈法
C. 无结构式访谈法
D. 间接访谈法

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在厚板冲裁模具中，凸模一般采用材料是DC53。

A. 正确
B. 错误

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A Windows Communication Foundation (WCF) solution uses the following contract: [ServiceContract(SessionMode=SessionMode.Allowed)]public interface IMyService{ [OperationContract(IsTerminating=false)] void Initialize(); [OperationContract(IsInitiating=false)] void DoSomething(); [OperationContract(IsTerminating=true)] void Terminate();} You need to change this interface so that: lnitialize is allowed to be called at any time before Terminate is called. DoSomething is allowed to be called only after Initialize is called, and not allowed to be called after Terminate is called. Terminate will be allowed to be called only after Initalize is called.Which two actions should you perform? (Each correct answer presents part of the sdution. Choose two)（）。

A. Change the ServiceContract attribute of the IMyService interface to the following. [ServiceContract(SessionMode=SessionMode.Required)]
B. Change the ServiceContract attrbute of the IMyService interface to the following [ServiceContract(SessionMode=SessionMode.Allowed)]
Change the OperationContract attribute of the Initialize operation to the following. [OperationContract(IsInitiating = true, IsTerminating = false)]
D. Change the OperationContract attribute of the Terminate operation to the following [OperationContract(IsInitiating = false, IsTerminating = true)]

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