已知等腰三角形的一边等于4，一边等于6，则它的周长为( )
14或16
______ he had ______ to each other! [ ]
A. What a good time, to talk
B. What a good time, talking
C. What good time, talking
D. How a good time, talking
打印机是基本输出设备之一，主要通过（）接口或USB接口与主机连接。
A、COM1
B、COM2
C、LPT
D、PS/2
