题目内容

肾脏损伤大多数病人需要()

A. 手术治疗
B. 非手术治疗
C. 酸化尿液
D. 抗感染治
E. 卧床休息

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医疗器械经营企业应当采取有效措施,确保医疗器械运输、贮存过程符合医疗器械说明书或者标签标示要求,并做好相应记录,保证医疗器械质量安全。

A. 正确
B. 错误

技术既有()属性,又有()属性。

You are developing a Windows Communication Foundation (WCF) service.One of the service operations contains the following code.private static int counter = 0;[OperationContract]public void IncrementCount(){ counter++;}You need to set a service behavior that prevents two or more threads from incrementing the counter variable at the same time. Which code segment should you use to set the service behavior?()

A. [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Single)]
B. [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession, ConcurrencyMode = ConcurrencyMode.Single)]
C. [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)]
D. [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall, ConcurrencyMode = ConcurrencyMode.Reentrant)]

在转动设备中轴为刚性轴。()

A. 正确
B. 错误

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