Who draw _____ Jack? [ ]
A. so well as
B. as well as
C. so better than
D. as good as
答案:B
女,48岁。右上腹痛已2年,有时低热.3年来经常脓血便。体检:右肝增大,轻度压痛,白细胞数正常,X线见右膈肌抬高,右胸腔积液较多,超声波:肝右叶有巨大液性暗区,放射性核素扫描有占位性病变,首先考虑的是()
A.肝癌
B.阿米巴性肝脓肿
C.细菌性肝脓肿
D.急性肝炎
E.肝包虫病
空冷塔有什么作用?