已知P为直线y=kx+b上一动点,若点P与原点均在直线x﹣y+2=0的同侧,则k,b满足的条件分别为( )
A:k=1,b<2
B:k=1,b>2
C:k≠1,b<2
D:k≠1,b>2
— How ________ money do we need?
— Thirty dollars.
动、植物细胞内都含有的糖类物质是