第12题: [单项选择]确诊慢性阻塞性肺疾病(COPD)最主要的依据是(). A. 胸部X线片 B. 血气分析 C. 肺功能 D. 典型的慢性咳嗽、咳痰症状 E. 胸部检查 参考答案:C 答案解析:COPD诊断主要根据吸烟等高危因素史、临床症状、体征及肺功能检查等综合分析可确定。不完全可逆的气流受限是COPD诊断的必备条件吸入支气管舒张药后FEVI/FVC<70%及FEVI%<80%预计值可确定
第27题: [填空题]Surveys show that middle class customers will give first priority to the factors of comfort of stores and selection of commodities they offer in deciding where to shop these days. 参考答案:N 答案解析:根据“Premium on Convenience”小标题下的第三段第三句话“Surveys show that the top factors Chinese consider in decidin