有些消化道肿瘤患者不能口服药物,可选用哪些镇痛方法()
A.直肠给药
B.静脉PCA
C.硬膜外PCA
D.神经阻滞
E.针灸
参考答案:A, B, C, D
My dear, let Tom play with your toy for a while. You should learn to share things ____ others. [ ]
A. with
B. about
C. in
D. about
断路器特殊天气下的检查项目有那些?