Bright children and not-bright children__________.
A. are two different types of children
B. are different mainly in their degree of cleverness
C. have difference only in their way of thinking
D. have different knowledge about the world
第9题
以下哪些网络不能经营国际互联网络业务
A专业计算机信息网络
B企业计算机信息网络
C通过专线进行国际联网的计算机信息网络
D中华人们共和国境内的计算机互联网络
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