问题
单项选择题
从技术发展角度看，最早出现的IP电话工作方式是______。
A．PC-to-PC
B．PC-to-Phone
C．Phone-to-PC
D．Phone-to-Phone
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
从技术发展角度看，最早出现的IP电话工作方式是______。
A．PC-to-PC
B．PC-to-Phone
C．Phone-to-PC
D．Phone-to-Phone
参考答案：A
短语填空（注意形式）（每个2分, 共10分.）
小题1:This club _________________ more than 200 members. 小题2: It could _________________ between missing your train and getting to work on time. 小题3:_________________their hospitality, we wrote a thank-you note. 小题4: In China, men still earn more than women _________________. 小题5:He doesn’t like to be called Tom, but prefers to _________________ 'Doctor Khee'. |