第24题: [单项选择] Passage Two Questions 29 to 31 are based on the passage you have just heard.[A] Nobody would take care of the city. [C] There would be no protection from crime. [B] There would be no schools. [D] People would be very happy. 参考答案:D 答案解析:[听力原文] According to the speaker, what would NOT happen if nobody in the city paid taxes
第31题: [单项选择]慢性缩窄性心包炎,与下列疾病相鉴别,应除外() A. 二尖瓣关闭不全所致的心力衰竭 B. 心肌病 C. 肝硬化 D. 二尖瓣狭窄所致的心力衰竭 E. 主、肺动脉间隔缺损 参考答案:E 答案解析:瓣膜病下肢水肿较重,有杂音。心肌病心尖搏动正常,心浊音界扩大,肝硬化主要表现以门静脉高压为主,而主、肺动脉间隔缺损临床上更常见的是中心型发绀。
第33题: [单项选择]下列哪一疾病不是肾上腺素受体阻断药的适应证 A. 心绞痛 B. 甲状腺功能亢进 C. 窦性心动过速 D. 高血压 E. 支气管哮喘 参考答案:E 答案解析:支气管壁平滑肌的β2受体被激活后,起到松弛平滑肌的作用。所以当用肾上腺素受体阻断药后,出现支气管平滑肌的收缩,会诱导支气管哮喘的发作和加重病情。 [考点] 肾上腺素受体