高等继续教育 / 计算机专业英语
正确率：100%
题型描述: 多选题
There are AB( ) between the DTEs.
A. communications equipment
B. digital-to-analog converter
C. will be replaced by an upd( )ated standard
D. the modem
There are AB( ) between the DTEs.
A. communications equipment
B. digital-to-analog converter
C. will be replaced by an upd( )ated standard
D. the modem
参考答案：