Tom is in the _______. He is playing ping-pong,[ ]
A. classroom
B. gym
C. library
答案:B
PowerPoint2000中,停止幻灯片放映的按钮是()。
A.Esc
B.Enter
C.Ctrl
D.Shift
E.Alt
已知字母“m”的ASCII码为6DH,则字母“p”的ASCII码是()
A.68H
B.69H
C.70H
D.71H