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【单选题】
A 60-year-old man, a heavy smoker, presents for advice to stop smoking. On physical examination, he is thin and has a ruddy complexion. He has a productive cough and a barrel-shaped chest. He sits leaning forward with his lips pursed to facilitate his breathing. A diagnosis of emphysema is made. Which of the following is the most likely histologic finding in the lungs?A.
Bronchial smooth muscle hypertrophy with proliferation of eosinophils
B.
Diffuse alveolar damage with leakage of protein-rich fluid into alveolar spaces
C.
Dilation of air spaces with destruction of alveolar walls
D.
Hyperplasia of bronchial mucus-secreting submucosal glands
E.
Permanent bronchial dilation caused by chronic infection, with bronchi filled with mucus and neutrophils
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【多选题】平均利润和生产价格形成后，商品价值、生产价格和市场价格三者之间的关系是()。
A.
价值是生产价格的基础，生产价格是价值的转化形式
B.
市场价格受供求关系的影响围绕生产价格波动
C.
每一个生产部门的价值总额均等于生产价格总额
D.
生产价格的变动主要取决于价值的变动
【多选题】生产价格形成以后，价值、生产价格和市场价格三者之间的关系是
A.
生产价格以价值为基础，是价值的转化形式
B.
市场价格在供求关系影响下波动的中心是生产价格
C.
社会生产价格总额和全社会的价值总额相等
D.
生产价格的变动以价值的变动为基础