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患者男性，46岁，有胃溃疡病史。近日手指关节肿胀、疼痛，清晨感觉指关节明显僵硬，活动后缓解，经实验室化验确诊为类风湿性关节炎。

为缓解疼痛，该患者可用（）

A.阿司匹林

B.对乙酰氨基酚

C.吲哚美辛

D.美洛昔康

E.吡罗昔康

答案

参考答案：D

单项选择题

Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is (71) . It determines how the various results are computed by the product and presents this information in the form of a (72) . and associated scenarios. The second is (73) , which determines the classes and their attributes; Then determine the interrelationships and interaction among the classes. The last step is (74) , which determines the actions performed by or to each class or subclass and presents this information in the form of (75) .

（74）处应填（）。

A．use-case modeling

B．class modeling

C．dynamic modeling

D．behavioral modeling
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单项选择题

乘人器使用直径为（）的钢丝绳。

A.18.5mm

B.22.5mm

C.25.5mm
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