下列函数中,属于反比例函数的是( )
A:y=x2
B:y=12x
C:y=2+3x
D:y=2+3x2
My day
I get up at seven o'clock.
I have breakfast at ____.
I ____ at ____.
在△ABC中,A=60°,b=3,面积S=33,则a等于( )