is believed that Bell invented the first telephone in 1876. [ ]
A. This
B. That
C. It
答案:C
慢性胆囊炎的诊断依据中,不包括()
A.十二指肠引流胆汁可能出现大量脓球
B.伴有胆囊结石
C.右上腹隐痛不适伴消化不良
D.超声波检查胆囊增大或缩小
E.脂肪泻
计划生育