Ravi, like many project (1) , had studied the waterfall mode

【名词&注释】

代表性(representative)、分阶段(by stages)、项目经理(project manager)、抽样调查(sampling survey)、可见度(visibility)、一部分(part)、类别转换(class switch)、满足要求(meet demand)、每一个(every single)

[单选题]Ravi, like many project (1) , had studied the waterfall model of software development as the primary software life-cycle (2) . He has all set to use it for an upcoming project, his first assignment. However, Ravi found that the waterfall model could not be used because the customer wanted the software delivered in stages, something that implied that the system had to be delivered and built in (3) and not as (4) . The situation in many other projects is not very different. The real world rarely presents a problem in which a standard process, or the process used in a previous project, is the best choice. To be the most situation, an existing process must be (5) to the new problem. A development process, even after tailoring, generally cannot handle change requests. To accommodate change requests without losing control of the project, you must supplement the development process with a requirement change management process.

A. A

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学习资料：

[单选题]下列属于计算机监控系统中“四遥”的是（）。

A. 遥信、遥感；
B. 遥视、遥调；
C. 遥信、遥调；
D. 遥调、遥视。

[单选题]可促进人类IgE类别转换^{(class switch)}的是（）

A. IL-5
B. IL-4
C. IFN-γ
D. TNF-α
E. IL-8

[单选题]抽样调查是指（）。

A. 从总体中随机抽取有代表性的一部分进行调查
B. 从总体中任意选择一部分调查
C. 从总体中选择典型部分调查
D. 选择某一地区进行调查
E. 调查总体所包含的每一个^{(every single)}个体

[多选题]下面哪些属于严重故障。（）

A. 产品的容量降低（但仍然可以处理预期的负载）
B. 任何丧失产品管理和维护的可见度和/或诊断能力
C. 基本部件或功能的反复衰退
D. 任何应急能力的丧失

[单选题]病例摘要：患者，男性，25岁，腹泻与便秘交替2个月，伴午后低热。腹软，未扪及包块。PPD试验（+++）。B超提示腹腔积液。

A. C

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