第16题: [单项选择]腰椎间盘突出症采用硬膜外腔类固醇+局麻药注射方法的最主要目的是()。 A. 解除突出物对神经根的压迫 B. 迅速使突出物还纳 C. 可使神经根炎症消退,肿胀消除 D. 使神经根周围粘连解除 E. 使髓核溶解吸收 参考答案:C 答案解析:腰椎间盘突出症采用硬膜外腔类固醇+局麻药注射方法的最主要目的是可使神经根炎症消退,肿胀消除。
A. Because of mechanical faults aboard. B. Because of unfinished work. C. Because of the bad weather at the landing site. D. Because of unknown reason. 参考答案:C 答案解析:[听力原文]21-23 The planned return to Earth of the American space shuttle Discovery has been dela