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问题 选择题

甲、乙两物体质量之比是2：1，密度之比2：3；则体积之比是（　　）

A．1：2

B．3：1

C．1：3

D．3：4

答案

甲乙的体积之比

V甲
V乙
=
m甲
ρ甲
m乙
ρ乙
=
m甲
m乙
×
ρ乙
ρ甲
=
2
1
×
3
2
=
3
1
；

故选B．

单项选择题 A2型题

患者，女，33岁。妊娠合并慢性肾炎，面目、四肢浮肿，肤色淡黄，皮薄光亮，纳少便溏，舌胖，苔水滑，脉沉滑无力。治疗应首选的方剂是（）。

A.白术散

B.归脾汤

C.真武汤

D.金匮肾气丸

E.补阳还五汤
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单项选择题

The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of use-cases and (71) have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions-time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (72) which is concluded with a well-defined (73) and can be further broken down into (74) - a complete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group (75) logically by nature.

（71）处填（）。

A．actors

B．artifacts

C．workers

D．scenarios
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