慢性支气管炎诊断主要依据于()
A.病史和体征
B.血细胞计数分类及生化检查
C.胸部X线
D.纤维支气管镜
E.肺功能检查
参考答案:A
— Kingston was late for class this morning again.
— You know, _________.
A.all good things come to an end
B.a leopard(豹)cannot change its spots
C.never judge a person by the clothes he wears
D.a work ill done must be twice done