题型:单项选择题 A1型题 诊断咳嗽变异性哮喘的基本条件是()A.咳嗽持续或反复发作>1个月,夜间或清晨发作性咳嗽,痰少,运动后加重B.临床无感染征象,或经较长时期抗生素治疗无效C.用支气管扩张剂可使咳嗽发作缓解D.气道反应性测定异常E.有个人或家族过敏史 查看答案
题型:单项选择题 The purpose ( ) my coming here is to inquire about possibilities of establishing trade relations with your company.A.withB.ofC.forD.in 查看答案