做匀加速直线运动的物体,速度从v增加到2v时经过的位移是x,则它的速度从3v增加到4v时所发生的位移是( )
A:32x
B:52x
C:53x
D:73x
A. It's Monday.
B. Yes, I can.
C. He can dance for the party.
D. I can wash the clothes.
E. I have a computer class.