Where's the bed?[ ]
A. Thank you.
B. I have a bed and curtains.
C. It's near the shelf.
答案:C
妈妈买回一筐苹果,按计划天数,如果每天吃4个,则多出48个苹果;如果每天吃6个,则又少8个苹果。问:妈妈买回苹果多少个?计划吃多少天?
因特网采用域名地址(如:www.sina.com.cn)的原因是______。
A.IP地址不能唯一标识一台主机
B.一台主机必须用域名地址标识
C.IP地址不便于记忆
D.一台主机必须用IP地址和域名地址共同标识