I don't know _______ his girl friend is. [ ]
A. who
B. whose
C. that
D. who's
答案:A
鼻外伤引起鼻骨折的主要诊断依据是()
A.疼痛剧烈
B.大量鼻腔出血
C.鼻部皮肤裂伤,出血
D.鼻背部软组织明显肿胀
E.触诊鼻背部有骨擦音
便秘总以哪项为纲:()
A.虚实
B.寒热
C.五脏
D.六腑
E.虚实寒热