物业服务费支出的构成包括（）。 A.物业管理区域清洁卫生费用 B.物业服务企业固定资

For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the (71) of a software-intensive system. As the (72) standard modeling language, the UML facilitates communication and reduces confusion among project (73) . The recent standardization of UML 2.0 has further extended the language's scope and viability. Its inherent expressiveness allows users to (74) 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 (75) 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.

（72）处填（）。

A．real

B．legal

C．de facto

D．illegal

“我家大门常打开，开放怀抱等你”，这首脍炙人口的《北京欢迎你》唱响奥运赛场的同时，也真切体现了改革开放30 多年来，国人对体育人才交流所持态度的变化：从封闭狭隘到宽容大度，从固步自封到自信从容……体育无国界的大融合场景正呈现在眼前。从这段话中你感悟到[ ]

①宽容是美德的重要内容

②求同存异是宽容合作的基础

③宽容是有原则的

④宽容也要讲究策略  

A．①②③    

B．①②④  

C．①②③④    

D．②③④

I tried to call up my relatives in Kyrgyzstan where an unrest(动乱) was going on, but couldn’t _________.

A．go through

B．get over

C．get along

D．get through

试述慢性鼻窦炎的临床特点与处理原则。

胆道蛔虫症表现为（）。

A、面色苍白或带黄

B、偶尔发作

C、绞痛

D、不呕吐