A:∅
B:x|x<0
C:x|x<1
D:x|0<x<1
函数y= sinx−12 的定义域是____.
物体沿水平方向运动的v﹣t如图所示,则( )
——Mum, I'm hungry. May I have some ____________?
——Of course. But don't eat too much.