寄生虫病的流行特点,除地方性和季节性外,还具有()
A. 社会性
B. 自然疫源性
C. 广泛性
D. 多样性
E. 长期性
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当药物合用时,药物只可能对代谢酶产生促进作用。()
A. 正确
B. 错误
在图层样式对话框中以下哪一种文字效果不能实现?()
A. 内发光
B. 填充图案
C. 球面化
D. 浮雕效果
关于羊水生化及免疫学检查的结果,下列哪项不正确()
A. 糖醛酸半定量测定对多型黏多糖贮积症有诊断意义
B. AFP测定是目前诊断畸胎瘤的常规方法
C. γ-GT是产前早期诊断胰腺纤维囊性变的指标
D. LD升高可见于死胎
E. AChE活性增加与胎儿开放性神经管畸形高度相关
SDM creates a low latency queuing (LLQ) service policy with its associated classes. What are the two types of low latency queuing available using the SDM QoS wizard?()
A. FIFO queuing, which provides a means to hold packets while they are waiting to exit an interface
B. Priority queuing, which ensures a fixed amount of bandwidth
Custom queuing (CQ), which provides a queuing tool that services all queues, even during times of congestion
D. Bandwidth queuing, which ensures a minimum amount of bandwidth
E. Weighted fair queuing (WFQ), which classifies packets based on flow