技术咨询、财产保险属于作用于人的无形服务。()

The new employee was inexperienced, so he had trouble on dealing with the customer's complaints.()

A.正确
B.错误

点击查看答案&解析

1984年暑期，北语举办了首期对外汉语教师培训班。()

A.正确
B.错误

点击查看答案&解析