试题与答案

到目前为止,类风湿性关节炎的病因被认为是A.感染 B.家族遗传 C.免疫功能紊乱 D

题型:单项选择题

题目:

到目前为止,类风湿性关节炎的病因被认为是

A.感染

B.家族遗传

C.免疫功能紊乱

D.受风、潮湿、寒冷等环境因素影响

E.仍不明

答案:

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参考答案:A解析:[命题目的] 本题考查的是决策支持系统的特点。[解题要点] DSS的特点是:面向高层管理人员经常面临的结构化程度不高,说明不够充分的问题;把模型或分析技术与传统的数据存取技术及检索技术结...

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