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简述产量的概念及产量构成因素。

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扩展路线的形状类似于收入消费曲线。

A. 正确
B. 错误

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当风为顺风时，航迹与航向线的关系是（）.

A. 航迹偏右
B. 航迹偏左
C. 两者重合

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一外国客人入住你酒店，但在交押金时却说身上没带足够的现金，其朋友晚上会带钱来，你应如何处理？

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A Windows Communication Foundation (WCF) application exposes a service as a SOAP endpoint for consumption by cross-platform clients.During integration testing, you find that one of the clients is not generating the correct messages to the WCF application.In order to debug the issue and fix the communication, you need to configure the service to log messages received from the client.What should you do?（）

A. Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel trace source.
B. Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel.MessageLogging trace source.
C. Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel.MessageLogging trace source.
D. Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel trace source.

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