A:(-∞,0
B:2,4
C:0,2)∪(4,+∞)
D:(0,2∪4,+∞)
造成黄土高原水土流失的土质原因是( )
A.Here you are.
B.Yes, I want a bird.
C.That's right.
D.I'm six.
E.How nice!
(____)1.Two and three is five.
(____)2.This doll is for you.
(____)3.I want a pencil.
(____)4.How old are you?
(____)5.Please make a wish, Mike.