依据波特的企业竞争理论,简述企业获得竞争优势的三个主要策略。
()强度高、耐久性和耐火性好,但其流动性差,施工相对较困难,常用于地下结构或经常受水侵蚀的砌体部位。
A. 水泥砂浆
B. 混合砂浆
C. 石灰砂浆
D. 粘土砂浆
You are designing a Windows Azure application. The application will use a Windows Azure AppFabric Service Bus message buffer. You need to recommend an approach for ensuring that only authorized users can discover and use the message buffer. What should you recommend?()
A. Make the message buffer discoverable to listeners and require authorization.
B. Make the message buffer discoverable to managers and do not require authorization.
C. Make the message buffer publicly discoverable. Include a Simple Web Token (SWT) in each message.
D. Make the message buffer discoverable to managers. Include a Simple Web Token (SWT) in each message.
女,40岁,干部,突起畏寒、寒战、高热6小时,呼吸急促、烦躁不安2小时入院。体查:体温40.8℃,血压94/83mmHg,神志清楚,四肢厥冷,口唇和甲床轻度发绀入院后血压进一步下降至0,神志模糊,无尿,血象:WBC15.0×10/L,N0.85,L0.15,Hb150g/L,该患者休克原因可能性最小的是()
A. 革兰阴性杆菌败血症
B. 中毒性休克综合征
C. 中毒性菌痢
D. 霍乱脱水致低血容量性休克
E. 大叶性肺炎