第24题: [单项选择]Passage Three Questions 32 to 35 are based on the passage you have just heard.A) About the cost of living. C) About pollution. B) About their safety. D) About traffic jams. 参考答案:B 答案解析:[听力原文] What do senior citizens worry about if they live in big cities
第29题: [单项选择]刺激性气体引起的肺水肿主要分期是() A. 急性期、慢性期、肺水肿期、恢复期 B. 刺激期、肺水肿期、恢复期、痊愈期 C. 潜伏期、肺水肿期、恢复期、痊愈期 D. 刺激期、潜伏期、肺水肿期、痊愈期 E. 刺激期、潜伏期、肺水肿期、恢复期 参考答案:E 答案解析:化学性肺水肿临床分为刺激期、潜伏期、肺水肿期和恢复期等4期。