下述哪组疾病属于慢性阻塞性肺疾病()
A.慢支、支气管扩张、哮喘
B.哮喘、支气管扩张
C.有气流阻塞的慢支、肺气肿
D.慢支、哮喘、肺气肿
E.没有气流阻塞的慢支、肺气肿
参考答案:C
—______ you play football?
—No. But I'm good at playing basketball. [ ]
A. Must
B. Can
C. May
D. Should
蜜制能增强润肺止咳作用的药物是()
A.薄荷
B.牛蒡子
C.蝉蜕
D.菊花
E.桑叶