朱砂的适应证是()。
A.惊风,癫痫
B.心神不安,心悸、失眠
C.肾虚遗精、滑精
D.疮疡肿毒,咽喉肿痛
E.淋证,癃闭
参考答案:A, B, D
已知函数y=f(x)为奇函数,且当x>0时,f(x)=x+2,则当x<0时,f(x)的解析式为( )。
All of the flowers now raised here have developed from those _______ in the forest.
A.once they grew
B.they grew once
C.they once grew
D.once grew