第21题: [单项选择]关于肝外伤行腹腔穿刺术的描述中,下列不恰当的是() A. 闭合性肝损伤出血少,腹腔穿刺灌洗法有效 B. 阳性率仅50% C. 安全简单的方法 D. 灌洗液是澄清的说明腹腔没有出血 E. 灌洗液红细胞>100×109/L,说明有出血 参考答案:B 答案解析:肝外伤中腹腔穿刺术是安全简单有效的方法,阳性率是90%。
第25题: [单项选择]A white buoy with an open-faced orange diamond on it indicates(). A. danger B. vessels are excluded from the area C. the buoy is a mooring buoy D. operating restrictions are in effect 参考答案:A
第32题: [单项选择]Some people either ______avoid questions of right and wrong or just remain neutral about them. A. violently B. enthusiastically C. sincerely D. deliberately 参考答案:D 答案解析:副词辨析题。选项[D]deliberately“故意地,小心谨慎地”;选项[A]violently意为“狂暴地,猛烈地,极端地”;选项[B]enthusiastically意为“热心地,狂热地”;选项