支气管扩张常见痰液性状为()
A.白色泡沫痰
B.黄色脓痰,久置分层
C.铁锈色痰
D.粉红色泡沫痰
E.砖红色胶冻状痰
参考答案:B
Our house is the most _____ one in the street; it is painted red.
A.permanent
B.indifferent
C.predominant
D.prominent
请你简要说明商品检验的主要含义。