第3题: [单项选择]肺源性心脏病的主要死亡原因是() A. 心力衰竭 B. 肝功能衰竭 C. 肝-肾综合征 D. 心律失常 E. 呼吸衰竭 参考答案:E 答案解析:本题考点:肺源性心脏病的死亡原因。肺源性心脏病的患者心肺功能失代偿期的临床表现,有的以呼吸衰竭为主,有的以心力衰竭为主,或两者兼有,而引起肺源性心脏病死亡的主要原因是呼吸衰竭。
第30题: [单项选择]It is surprising that Americans who worship variety and individuality______. A. still judge a man by his clothes B. hold the uniform in such high regard C. enjoy having a professional identity D. will respect an elevator operator as much as a general in uniform 参考答案:B 答案解析:主要依据为第一段第一行。