A:(﹣2,0)∪(2,+∞)
B:(﹣2,2)
C:(﹣∞,0)∪(4,+∞)
D:(0,4)
Is there a fruit s____ near your home?
图2中公路AB的延伸方向是:
一个圆的半径与它的周长的比是1∶2π.
I'll give the book to him if he _______ here next Sunday.