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【单选题】
(6~8题共用题干) ,30岁,儿童患麻疹,肺炎,被诊断为支气管扩张症,10余年近一咳嗽,咳痰加重,痰呈脓性,每日约500毫升,伴低热。 第一问:所患支气管扩张症的发病基本因素是
A.
全身免疫功能低下
B.
支气管防御功能退化
C.
支气管平滑肌痉挛
D.
支气管感染和阻塞
E.
支气管变态反应性炎症
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【多选题】影响宾客饮食爱好的外在因素包括( )
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A.
designing, under construction
B.
designed, under construction
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