第21题: [单项选择]男,28岁,腰背及腹部挤压伤后1小时。查体:P96次/分,BP140/80mmHg。痛苦貌,腹部膨隆,轻压痛,无反跳痛,肠鸣音弱,腰肋部可见淤斑。急症剖腹探查见后腹膜完整,腹膜后见10cm×8cm×2cm血肿,观察其大小无变化。该患者术后的治疗中最重要的是() A. 纠正水电平衡紊乱 B. 防治感染 C. 防治肝肾功能障碍 D. 纠正贫血 E. 纠正低蛋白血症 参考答案:B
第22题: [单项选择]原始骨痂形成需要 A. 1周左右 B. 2~3周 C. 4~8周 D. 9~10周 E. 11~12周 参考答案:C
第24题: [单项选择]What does the woman say about company employees A. They do not dispose of office materials properly. B. They waste electricity in the office. C. They use excessive amounts of paper. D. They shred documents too frequently. 参考答案:C