乌头碱类中毒可用何法治疗
A.静注苯巴比妥钠0.2~0.3g
B.服用颠茄合剂
C.肌注阿托品0.5~1.0mg
D.静注葡萄糖注射液
E.以上均不是
参考答案:C
铺轨的路基,按设计要求标出线路中心线,直线段每隔20-30m设一标桩,曲线段每隔5-10m设一标桩,曲线起止点、()等均需设桩标明。
A、直线变坡点
B、道岔交点
C、平交道中心点
D、道岔厚度变更点
Louis Braille designed a form of communication enabling people to () and preserve their thoughts by incorporating a series of dots which were read by the finger tips.
A. retain
B. visualize
C. convey
D. transfer