癌痛药物治疗遵循的原则是()。
A.尽可能口服给药
B.按照需要给药(即疼痛时给药)
C.按照三阶梯原则给药
D.可以联合应用不同阶梯的药物
E.A+C+D
参考答案:E
Human facial expressions differ from those of animals in the degree they can be
controlled on purpose. [ ]
A. with which
B. to which
C. of which
D. for which
三支一扶计划指的是()
A.支贫、支教、支医、扶农
B.支农、支教、支医、扶贫
C.支教、支贫、支农、扶医
D.支农、支教、支技、扶贫