题型:选择题 They became friends again that day. Until then they ______to each other for nearly two years.A.didn’t speakB.hadn’t spokenC.haven’t spokenD.haven’t been speaking 查看答案
题型:单项选择题 A1型题 患者男,30岁。建筑工人,2小时前从5m高处坠落,颈部着地,四肢不能活动,颈部以下皮肤感觉减退,平片示颈椎椎体脱位,首先应进行的治疗是()A.颈椎牵引B.颈托固定C.手法复位D.急症手术治疗E.大剂量甲泼尼龙冲击治疗 查看答案