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患者女，57岁，糖尿病病史6年。左下腹隐痛3个月，便血2d。患者半年来无诱因出现腹痛，位置不固定，与饮食无关。无发热、恶心、呕吐。查体：肠鸣音活跃，左下腹轻压痛，无肌紧张及反跳痛，移动性浊音（－）。外周血WBC12.6×109/L，血沉45mm/h。结肠镜检查：乙状结肠黏膜出血、发红、坏死、糜烂。

经检查确诊为非血管阻塞性肠缺血，治疗方法为（）

A.肝素抗凝

B.对症支持治疗

C.经导管动脉内灌注血管扩张剂

D.溶栓治疗

E.抗感染治疗

答案

参考答案：C

单项选择题

For nearly ten years,the Unified Modeling Language (UML) has been the industry standard for visualizing,specifying,constructing,and documenting the(1)of a software-intensive system.As the(2)standard modeling language,the UML facilitates communication and reduces confusion among project(3).The recent standardization of UML 2.0 has further extended the language's scope and viability.Its inherent expressiveness allows users to(4)everything from enterprise information systems and distributed Web-based applications to real-time embedded systems. 　　

The UML is not limited to modeling software.In fact,it is expressive enough to model (5)systems,such as workflow in the legal system,the structure and behavior of a patient healthcare system,software engineering in aircraft combat systems,and the design of hardware. 　　

To understand the UML,you need to form a conceptual model of the language,and this requires learning three major elements:the UML's basic building blocks,the rules that dictate how those building blocks may be put together,and some common mechanisms that apply throughout the UML.

空白（5）处应选择（）

A.non-hardware

B.non-software

C.hardware

D.software
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单项选择题

建筑工程招标的开标、评标、定标由（）依法组织实施；并接受有关行政主管部门的监督。

A.建筑市场

B.招标代理机构

C.建设单位

D.建筑市场和招标代理机构
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