社区银行应按需领用实物贵金属产品，原则上每家社区银行所有实物贵金属库存限额不超过（）

为绿化城市，某街道栽种一批树苗，这批树苗的成活率是75%～80%，如果要栽活2400棵树苗，至少要栽种______棵．

骨粉含蛋白质（）、脂磷酸钙（）、粗纤维（）。

退行性骨关节病与夏科关节鉴别点为（）

A.关节间隙可见游离体

B.关节严重破坏，与症状轻微不符

C.关节变形

D.关节骨质增生

E.关节间隙狭窄

The software architecture is a set of software components, subsystems, relationships, interactions, the properties of each of these elements, and the set of guiding principles that together constitute the fundamental properties and constraints of a software system or set of systems. （1）defines a general set of element types and their interactions. The examples include Pipes and Filters, Model-View-Controller, and Reflection. A （2）in software architecture is a representation used to understand or document one or more aspects of a problem or solution. Architecture is usually used in conjunction with many adjunct terms. The（3） defines the key strategies, organization, goals and related processes of the enterprise. At the enterprise level, the （4）may be more of a set of guidelines on how the various software architectures should be constructed consistently across the enterprise. The （5）, which describes the high-level set of elements involved in application from a particular domain along with their interactions, is often used to focus on subsystem definition rather than application process level definition.

（3）是（）

A. enterprise architecture

B. technical architecture

C. infrastructure architecture

D. business architecture

目前采用“配额制”政策促进可再生能源发展的国家有（）

A、英国

B、美国

C、意大利

D、澳大利亚