安徽天星野生动物园医院设有一排装动物的笼子，每只笼子只装一只动物。为了避免打搅动物，医院不安排某种捕食者和被捕食者相邻居住。能够接受的动物的物种是Q、R、S、T、U。它们之间仅有的捕食关系如下：
(1)Q捕食R。
(2)U捕食R。
(3)Q捕食S。
(4)S捕食T
下列哪一个是5种动物在连续的笼子里可以接受的安排?
A．QSRTU
B．QTUSR
C．QUTSR
D．SRUTQ
involves using mathematical techniques to forecast future outcomes based on historical results.
A．Trend analysis
B．Quality audit
C．Defect repair review
D．Flowcharting
The(71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(72). In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a(73), which consists of(74) indicated using a circle, and(75) shown as a rectangle. These two components can be linked by means of a directed arc.
A．waterfall model
B．workflow reference model
C．evolutionary model
D．spiral model
CPU芯片的主要参数是(26)。
A．字长、主频
B．字长、主频、cache容量
C．字长、主频、外频、cache容量
D．字长、主频、外频、FSB、cache容量
影响软件开发成本估算的因素不包括以下哪项(4)。
A．软件人员业务水平
B．软件开发规模及复杂度
C．开发所需时间
D．开发所需硬件资源模型。
在关系数据库设计中，定义数据库全局模式是(49)阶段的内容。
A．需求分析
B．概念设计
C．逻辑设计
D．物理设计