第13题: [单项选择]咳嗽变异性哮喘(过敏性咳嗽)的诊断依据之一是 A. 咳嗽持续或反复发作＞1个月 B. 咳嗽持续或反复发作＞15天 C. 咳嗽持续或反复发作＞3个月 D. 咳嗽持续或反复发作＞1周 E. 咳嗽持续或反复发作＞2个月 参考答案:A 答案解析:变异性哮喘是指咳嗽持续或反复发作＞1个月，反复发作喘息、气急、胸闷或咳嗽，多与接触变应原、冷空气、物理、化学性刺激、病毒性上呼吸道感染、运动等有关。
[考点] 变异性哮喘的诊断。
参考答案:Dear Mike, I’m going out for vacation for several days. Would you help me look after my cat Please feed it with fish and milk three times a day, and give it a bath with warm water every other day. Make sure the door and the windows are closed when you are not in, so that the cat won’t be able to get out. Thank you for your help.
