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【单选题】
13,关于慢性阻塞性肺疾病的临床表现,不正确的是 ( )A.
咳嗽，咳痰伴有喘息
B.
咳嗽呈长期，反复，逐渐加重
C.
疾病早期可无异常体征
D.
疾病晚期可有肺实变体征
E.
肺部可出现干湿啰音
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