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The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modem softwaredevelopment. The notions of (71) and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions - time and content. In the tirae 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.

（74）处填（）。

A．rounds

B．loops

C．iterations

D．circularities

代谢性碱中毒原发改变为( )

A．[HCO₃^-]增多
B．[HCO₃^-]减少
C．[H₂CO₃]增多
D．[H₂CO₃]减少
E．P(CO₂)增高

某样品除锌粉外还可能含有C粉、CuO粉末的一种或两种．将粉末加入到一定量的稀硫酸中，充分反应后过滤，向滤液中插入铝丝，看到有气泡产生，将滤渣在氧气中充分灼烧，产生能使澄清石灰水变浑浊的气体，并仍有固体残留．下列有关说法正确的是（　　）

A．样品可能有C、CuO，滤液一定有H₂SO₄、ZnSO₄

B．样品一定没有CuO，滤液可能有H₂SO₄、ZnSO₄

C．滤渣一定有C、Cu，滤液一定有H₂SO₄、ZnSO₄

D．滤渣可能含有C、Zn，滤液一定有CuSO₄、ZnSO₄

许多组织强制要求雇员休假一周或更长时间，以便（）

A、确保雇员维持生产质量，从而生产力更高

B、减少雇员从事不当或非法行为的机会

C、为其它雇员提供交叉培训

D、消除当某个雇员一次休假一天造成的潜在的混乱

合剂的分散系统不包括（）

A.溶液型

B.混悬型

C.乳剂型

D.浸膏型

E.胶体型