在下列关于ATM技术的说明中，错误的是 ______。A．是面向连接的 B．提供单一

男性，30岁，全身乏力、低热、伴左上腹肿块半年。肝肋下2cm，脾肋下7cm。化验：血红蛋白80g/L，白细胞140×10⁹/L，血小板100×10⁹/L，骨髓象原始粒细胞0．02，Ph1染色体阳性。正确的治疗为（）

A.大剂量抗生素抗感染

B.脾切除

C.HOAP方案化疗

D.羟基脲口服

E.VAP方案化疗

主瓣（）的夹角定义为天线方向图的波瓣宽度。主瓣瓣宽度越窄，方向性越好，抗干扰能力越强。

For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the (26) of a software-intensive system. As the (27) standard modeling language, the UML facilitates communication and reduces confusion among project (28) The recent standardization of UML 2.0 has further extended the language’s scope and viability.Its inherent expressiveness allows users to
(29) 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 (30) 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.

A．model

B．code

C．test

D．modify

引起肺外表现最多的致病菌（）

A.克雷伯杆菌

B.肺炎链球菌

C.嗜肺军团菌

D.肺炎支原体

E.金黄色葡萄球菌

在《论中国与欧洲国体异同》中，梁启超指出，中国周代与古代希腊的国体相似。两者政治上的相似之处应是（）

A.贵族政治、列国分立

B.君主专制、中央集权

C.小国寡民、等级森严

D.分封诸侯、城邦国家