2. 外语
  3. Continuous short buzzes on the telephone indicate that the line is busy after you dial the telephone number.

Continuous short buzzes on the telephone indicate that the line is busy after you dial the telephone number.

admin2009-06-15  92
问题 Continuous short buzzes on the telephone indicate that the line is busy after you dial the telephone number.
选项 A、open
B、out of order
C、disengaged
D、in use
答案D
解析
转载请注明原文地址:https://www.kaotiyun.com/show/gRhd777K
本试题收录于： 职称英语理工类基础题库职称英语分类
0

职称英语理工类基础

职称英语

相关试题推荐
随机试题
最新回复(0)