My mother very happy yesterday. [ ]
A. was
B. is
C. are
答案:A
下列除哪项外,均是至宝丹的功用
A.清热B.开窍C.通便D.化浊E.解毒
筋伤的主要临床症状是()
A.疼痛
B.肿胀
C.瘀斑
D.功能障碍
E.畸形