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关于慢性支气管炎病因的描述不正确的是（）

单选题

2021-09-05 21:07

A、感染是慢支急性发作的主要诱因
B、吸烟、大气污染是慢支发生、发展的重要因素
C、急性发作期的主要病原菌为肺炎球菌和流感嗜血杆菌
D、慢支是感染性和非感染性多种因素长期综合作用所致
E、多种抗原引起的过敏反应，气道免疫功能低下亦为慢性支气管炎的病因

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正确答案

A

试题解析

标签：支气管炎广西住院医师消化内科精神科住院医师

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Shutdown price（or point，or rule）停业价格（或停业点、停业原则）

翻译：With Average or With Particular Average（WA or WPA）（）

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逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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