下列有关生物利用度的叙述错误的是
A.它与药物的作用强度无关
B.它与药物的作用速度有关
C.首关消除对其有影响
D.口服吸收的量与服药量成正比
E.它与曲线下面积成正比
参考答案:A
Most of her spare time ______ , she still kept on her research in the library.
A.occupied
B.had been occupied
C.to be occupied
D.was occupied
若ab>0,且A(a,0),B(0,b),C(-2,-2)三点共线,求ab的最小值.