【简答题】August was one of the nastiest months I can remember: torrential rain; a hailstorm or two; cold, bitter winds; and mists. But we are accustomed to such weather in England. Lord Byron used to say that ...
【简答题】关于直流电的治疗作用,以下说法正确的是A. 全身治疗时,下行的起兴奋作用,上行的电流起镇静作用 B. 对局部治疗而言,阴极周围组织兴奋性降低,阳极下兴奋性增高 C. 阴极有脱水作用,可减轻组织水肿和渗出 D. 阳极可治疗慢性炎症和久不愈合的溃疡 E. 在较大直流电强度的直流电的作用下静脉血栓从阳极一侧松脱,向阴极一侧退缩,血管逐渐开放