微型计算机的中央处理器 由 组成。
（A）内存和控制器（B）内存和运算器（C）控制器和运算器D）内存、控制器、运算器
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建立计算机网络的主要目的是 。
（A）共享资源 （B）增加内存容量 （C）提高计算精度 （D）提高计算机运行速度
微机的主机主要是由（）和内存储器组成。A．运算器B．控制器C．存储器D．中央处理器
A.People came to see the role of women in thebusiness world.B.Katharine played a
A. People came to see the role of women in thebusiness world.
B. Katharine played a major part in reshapingAmericans mind.
C. American media would be quite different withoutKatharine.
D. Katharine had exerted an important influence onthe word.Passage Three
A.Teaching her son by herself.B.Having confidence in her son.C.Asking th
A. Teaching her son by herself.
B. Having confidence in her son.
C. Asking the teacher for extra help.
D. Telling her son not to worry.
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