紫外线主要对人的眼睛造成伤害,可以引起的职业病是( )。
A.白内障
B.放射性肿瘤
C.电光性眼炎
D.近视眼
参考答案:C
腹主动脉通常不发出()
A.肾上腺动脉
B.腹腔干
C.肾动脉
D.子宫动脉
E.卵巢动脉
(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) . (75) is another such technique that integrates data and process concerns into constructs called objects.
(71)处填()。
A.Prototyping
B.Accelerated
C.Model-driven
D.Iterative