我司原材料采购计划在每个的哪个时候制作（）

A.Ⅰ～Ⅴ
B. Ⅰ～Ⅳ
C. Ⅲ、Ⅳ
D. Ⅰ、Ⅱ

A. 抑制激素分泌
B. B.使瘤体缩小，减少术中出血
C. C.鉴别肾实质性肿块与囊性病变
D. D.预防胸膜破裂
E. E.鉴别与观察低热原因

sive dyspnea slnce 3 years. His chest X-ray film showed overinflation of lungs and descended diaphragms. The peripheral vasculature of the lungs was diminished. Which dis-ease the patient suffered from most possibly（）A. Pulmonaryemphysema
B. Chronicpulmonaryheartdisease
C. Pulmonaryarterialhypertension
D. Asthma
E. Bronchoectasis