Some doctors prescribe medication to treat hyperactive children, because the children are extremely ______.
A. active
B. passive
C. lazy
D. diligent
The meaning of the word "fond" changed from "foolish" to "affectionate" by mode of ______.
A. extension
B. narrowing
C. elevation
D. degradation
多媒体网络应用及实时通信要求网络高速率传输,并且延迟低。下列哪一项技术满足这类应用的要求( )
A) ATM
B) FDDI
C) FR
D) X.25
下列计算机的分类中,与其他三项不属于同一类的是( )。
A. 数字计算机
B. 模拟计算机
C. 混合计算机
D. 专业计算机