颈椎不稳的主要诊断依据之一,是过伸过屈位椎体角度位移大于()
A.15°
B.12°
C.11°
D.10°
E.9°
参考答案:C
治疗气血不足,疮疡脓成不溃或溃久不敛,常选的药物是
A.山药
B.西洋参
C.白术
D.黄芪
E.太子参
We have been in China three years. We like it very much.
A. in B. since C. for