毛囊和皮脂腺内寄居的细茼在下列条件下易引发面部疖痈,除了().
A.机体衰弱
B.营养不良
C.新陈代谢障碍
D.毛囊破坏皮脂腺萎缩
E.皮肤抵抗力下降
参考答案:D
The book _____ well. I'm afraid it _____ out. [ ]
A. is sold; has sold
B. sells; is sold
C. sells; to be sold
D. is sold; sells
桑白皮除泻肺平喘功效外,具有的功效是()。
A.降逆止呕
B.燥湿化痰
C.利水消肿
D.利尿通淋
E.清热利湿