As we all know , our boss has always attended to the______ of important business.
A. transaction
B. stimulation
C. transition
D. specification
关于结核菌素试验,下列哪项是正确的
A. 阳性者,正患结核
B. 阴性者,无结核感染
C. 阳性者,对结核有免疫力,细胞免疫功能正常
D. 阴性者,对结核有免疫力
E. 阳性者,需接种卡介苗
In my opinion, you can widen the______ of this improvement through your active participation.
A. dimension
B. vicinity
C. magnitude
D. scope
手术后疼痛于术后多少小时明显减轻
A. 8~2小时
B. 12~24小时
C. 24~36小时
D. 36~48小时
E. 48~72小时