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问题 单项选择题

盆腔腹膜反折位于 * * 后穹窿水平，从子宫的后面到直肠的前面称为（）

①子宫直肠陷窝

②Dauglas腔

③膀胱子宫陷窝

④膀胱直肠陷窝

A.①

B.②

C.①②④

D.①②③

E.①②③④

答案

参考答案：C

解答题

20厘米里有2个10毫米．______．
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单项选择题

(31) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (32) for designing and constructing an improved system. (33) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (34) . (35) is another such technique that integrates data and process concerns into constructs called objects.

A．PERT

B．DFD

C．ERD

D．UML
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