第20题: [单项选择]治疗烧烫伤,应选用() A. 大黄 B. 芦荟 C. 番泻叶 D. 甘遂 E. 大戟 参考答案:A 答案解析:大黄临床应用:①大便秘结,胃肠积滞。②血热妄行之吐血、咳血、衄血。③热毒疮疡,烧烫伤。④瘀血证。⑤湿热黄疸、淋证,但须与其他药物合用(七版教材P157)。【考点提示】本题考点为大黄的临床应用。另外,注
第22题: [单项选择]Questions 26 to 28 are based on the passage you have just heard.A. Watch traffic. B. Obey commands. C. Cross streets safely. D. Guard the door. 参考答案:D 答案解析:[解析] Which of the following is not a necessary skill guide dogs have to learn