国家对化学危险品实行（） 审批制度。 经营许可证制度。 验收制度。 检查制度。
若某只封闭式基金的单位净值为0.947元，交易价格为0 .554元，则其折价率为（） 0.393元。 -0.393元。 -70.94%。 -41.50%。
自然血亲
《敇勒歌》是（）族的民歌。 羌。 鲜卑。 傣。 景颇。
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?（） Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel trace source.。 Set an etwTracking behavior on the service and configure a listener for the System.ServiceModel.MessageLogging trace source.。 Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel.MessageLogging trace source.。 Enable messageLogging in the System.ServiceModel diagnostics element configuration and configure a listener for the System.ServiceModel trace source.。
有一凶犯左小腿中一枪弹后突然死亡，尸检除左小腿有枪弹伤外不有冠状动脉粥样硬化。判断其死亡原因是（）
