药物治疗指数是指( ) A. ED 50 /LD 50 B. ub> B.ED 95 /LD 5 C. ED 90 /LD 10 D. LD 5 /ED 95 E. LD 50 /ED 50 F. ub>A G. ub> H. 骨折时应用镇痛药吗啡属于( ) I. 预防用药 J. 对症治疗 K. 支持治疗 L. 对因治疗
【简答题】根据图片选择正确选项。 ( ) 1. A. The kite is on the desk. B. The kite is in the desk. ( ) 2. A. The bear is in the bag. B. The panda is under the cap. ( ) 3. A. The balloon(气球)is under the desk. B. T...