腰椎间盘突出时,病人肌力下降占() A.50%~55% B.60%~65% C.70 发布时间:2017-08-27 18:44 │ 来源:www.tikuol.com 题型:单项选择题 问题: 腰椎间盘突出时,病人肌力下降占()A.50%~55%B.60%~65%C.70%~75%D.80%~85%E.90%~95%
题型:单项选择题 预防压疮的方法中下列哪些是正确的()A.昏迷、瘫痪者每2小时翻身一次 B.给予高蛋白、高维生素饮食 C.保持皮肤、床铺干燥清洁 D.骨隆突处放软枕、海绵垫 E.受压部位用50%乙醇涂擦并按摩 查看答案
题型:单项选择题 用文字表达式表示下列反应.(1)一种化肥加热后生成三种物质______;(2)一种金属作“照明弹”______;(3)一种绿色粉末加热后生成一种黑色固体和一种气体以及常温下呈液态的物质______. 查看答案
题型:单项选择题 An analyst is doing research about survivorship bias and its impact on measurement ratios. With a failure to comply with performance presentation standard, hedge fund databases and indexes, which are most likely to overstate:()A. Sharpe ratios.B. standard deviation of retums.C. correlations with returns from common stocks. 查看答案