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举一反三
【单选题】下列进制的概念有误的是()
A.
进制也就是进位制，是人们更规定的一种进位方法
B.
十进制就是逢十进一，十六进制就是逢十六进一，二进制就是逢二进一，以此类推，x进制就是逢x进一
C.
对于任何一种进制——x进制，就表示某一位置上的数运算时时逢x进一
D.
二进制数有两个特点;它由两个基本数字1,2组成，逢二进一
【单选题】One of the most exciting features of the Digital Divide Network website is the ability for every DDN member to have a personal blog(网络日志). Blogs contain journal entries written by the author, who’’s r...
A.
To discuss the impact of blogs on our society.
B.
To promote a new bogging tool.
C.
To introduce several kinds of blogging tool.
D.
To instruct how to write one’’s personal blog.