骨解、留水分是由垂体后叶分泌的()控制,骨解、留钠离子是由肾上腺皮质分泌的()控制。
参考答案:抗利尿激素、醛固酮
甲乙两个容积相同的瓶子分别装满盐水,已知甲瓶中盐、水的比是2:9,乙瓶中盐与水的比是3:10,现在把甲乙两瓶盐水混合在一起,则盐水中盐与盐水的比是______.
What do you think of the movie we saw last night?()
A.The actress is bad.
B.Terrific!
C.The theatre is bad.
D.Nobody was there.