第3题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. What the roommate’s name is. B. What the roommate wants in exchange for the tickets. C. How many tickets the roommate has. D. What the roommate said before. 参考答案:B 答案解析:[听力原文]
F: If anybody wants tickets for Friday’s game, let me know. My roommate has two she can’t us
第19题: [单项选择]下列疾病中,最常表现为呼气性呼吸困难的疾病是:() A. 气管异物 B. 急性喉炎 C. 气胸 D. 支气管哮喘 E. 心力衰竭 参考答案:D 答案解析:针对呼吸系统疾病,在分析呼吸困难时应注意是吸气性还是呼气性呼吸困难,吸气性呼吸困难见于肿瘤或异物堵塞引起的大气道狭窄、喉头水肿、急性喉炎等;呼气性呼吸困难主要见于支气管哮喘、慢性支气管炎、肺气肿等。大量气胸、大量胸腔积液及胸廓限制性疾病则表现为混合型呼吸困难。