判断题

The Yellow Pages is a good example of a directory that buyers often use to find products and services. ( )

【参考答案】

正确
<上一题 目录 下一题>
热门 试题

单项选择题
A packet-switched network, files and E-mail messages are broken down into small pieces, called( ).
A．messages
B．pieces
C．packets
D．circuits
单项选择题
The economic model that enables consumers to sell goods or services to each other is( ).
A．C2G
B．C2B
C．B2B
D．C2C
相关试题