第15题: [单项选择]男性,72岁。心悸,胸闷。查体:心尖区舒张期隆隆样杂音,心电图显示房颤。该患者心脏听诊不可能存在() A. S1强弱不等 B. 开瓣音 C. 心律绝对不整 D. 大炮音 E. Graham-Steell杂音 参考答案:D 答案解析:完全性房室传导阻滞时,心房与心室的搏动各不相关,形成了房室分离现象,各自保持自己节律,当心房与心室偶尔同时收缩时,即心房和心室同时发生,则第一心音极响亮,通常形象地称其为"大炮音"。
第16题: [单项选择]Which is not mentioned as factors that lead to the man’s decision A. An attractive salary. B. His proficiency in maths. C. His teacher’s opinion. D. His feeling for design. 参考答案:A 答案解析:[听力原文]
W: What did you say you were going to take up as a career
M: Architecture.
W: What made y