下列激素与内环境稳态的维持无直接关系的是[ ]
A.抗利尿激素
B.雄激素
C.肾上腺素
D.甲状腺素
答案:B
---Have you bought any dress while shopping?
---I am sorry to tell you when I tried on all the dresses in the shop and _____ satisfied me.
A.nothing
B.no one
C.none
D.some
解热镇痛药的解热作用机制是()
A.抑制外周PG合成
B.抑制中枢PC降解
C.抑制外周PG降解
D.增加中枢PC释放
E.抑制中枢PG合成