下列与皮肤病的形成无关的生理活动是 [ ]
A.汗腺活动旺盛
B.皮脂腺发育增强
C.皮脂分泌增多,不易排出
D.到了青春期,体内雄性激素的分泌量增多
答案:A
—Where is your father?
— He Shanghai on business.
A. has gone to B. has been to C. has been in
濒危种