题目内容

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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简述肌肉力量检测和评价的方法？

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空压机润滑油温度不得高于（）℃。

A. 90
B. 70
C. 50
D. 60

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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

在厚板冲裁模具中，凸模一般采用材料是DC53。

简述肌肉力量检测和评价的方法？

空压机润滑油温度不得高于（）℃。

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