反映宽带通信网络网速的主要指标是（）
A.带宽
B.带通
C.带阻
D.宽带
参考答案：A
—What's his name?
—____________.[ ]
A. Her name is Kim.
B. His name is Jim.
C. My name is Li Ming.
无符号二进制整数01110101转换成十进制整数是( )。
A．113
B．115
C．116
D．117
