第1题: [单项选择]弥漫性血管内凝血早期可选用() A. 华法林 B. 维生素K C. 肝素 D. 氨甲苯酸 E. 枸橼酸钠 参考答案:C 答案解析:肝素为直接抗凝血药,在体内体外均有抗凝血作用,严重出血特效药为鱼精蛋白;枸橼酸钠属于体外抗凝血药;只有体内有抗凝作用的药物是华法林,香豆素类所致出血可用维生素K拮抗;维生素K用于维生素K缺乏引起的出血
第3题: [单项选择]—Were they late for the play —Not really. As soon as they ______ themselves in their seats in the theatre, the curtain______.
A. settled; went up B. settled; had gone up C. were settled; went up D. were settling; had gone up 参考答案:A 答案解析:[考点] 短语辨析 [解析] 这道题就是考查as soon as 这个词组的用法,他表示“一……就……”,go up 是表动作,“爬上,登上”,不能用完成时。