A:肠腺
B:胆囊
C:肝脏
D:胰腺
已知f(x)是定义在(﹣1,1)上的偶函数,且在(0,1)上单调递增,若f(a﹣2)﹣f(4﹣a2)<0,请确定a的取值范围.
—I've got a headache.
—No wonder.You in front of the computer too long.