男孩，2岁，发热10天，为弛张热型，伴轻微咳嗽，抗生素治疗无效。入院前1天出现全身性淡红色斑疹，时隐时现。查体：浅表淋巴结无肿大，咽红无渗出物，心肺无异常，肝肋下4cm，质韧，脾肋下2cm。WBC25×10／L，中性粒细胞0.92，可见中毒颗粒，RBC4.6×10／L。住院9天内2次血培养均阴性。诊断应首先考虑为（）

A.急性风湿热

B.败血症

C.全身型幼年类风湿关节炎

D.急性淋巴细胞白血病

E.川崎病

 It should go without saying that the focus of UML is modeling. However, what that means,exactly, can be an open-ended question. (1) is a means to capture ideas, relationships,decisions, and requirements in a well-defined notation that can be applied to many different domains. Modeling not only means different things to different people, but also it can use different pieces of UML depending on what you are trying to convey. In general,a UML model is made up of one or more (2) .A diagram graphically represents things, and the relationships between these things. These (3)can be representations of real-world objects,pure software constructs, or a description of the behavior of some other objects. It is common for an individual thing to show up on multiple diagrams; each diagram represents a particular interest, or view, of the thing being modeled. UML 2.0 divides diagrams into two categories:structural diagrams and behavioral diagrams.(4) are used to capture the physical organization of the things in your system, i.e., how one object relates to another.(5) focus on the behavior of elements in a system. For example, you can use behavioral diagrams to capture requirements, operations, and internal state changes for elements.

空白（2）处应选择（）

A.views

B.diagrams

C.user views

D.structure pictures