[单项选择]关于人工髋关节置换的适应证,下列不正确的是()。 A. 陈旧性股骨颈骨折或股骨头缺血性坏死,头臼受损,伴有疼痛、严重功能障碍者 B. 炎症、结核后髋关节强直,髋关节疼痛或慢性髋关节脱位,关节成形失败者 C. 退行性骨关节炎,髋臼受损,股骨头变形或类风湿关节炎,疼痛难忍,活动范围小者 D. 化脓性髋关节炎清创彻底者 E. 年龄适用范围由过去认为的60~75岁为最合适年龄,已扩大到高龄和年轻患者
第18题: [单项选择]What can we learn from the conversation A. The mother lives with her son. B. The mother’s son has died. C. The mother is always waiting for his son’s letters. 参考答案:C 答案解析:[听力原文] F: This mother is always looking forward to her son’s letter. M: Yes... It was five yea