【单选题】小型对讲机性能优良，体积小，（）十分广泛。

【简答题】[名词解释] PHS（小灵通）

【多选题】小灵通可以提供的业务功能有（）

【简答题】题目：南宁电信小灵通项目可行性研究

【单选题】对讲机；小灵通

【单选题】Passage Two According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic (利他主义的)...

【单选题】According to a survey, which was based on the responses of over 188,000 students, today’s traditional-age college freshmen are "more materialistic and less altruistic (利他主义的)" than at any time in the ...

【单选题】送单员使用的对讲机为（）频道。

【判断题】“小灵通”的定位是对固定电话的补充与延伸。（）

【单选题】通过长按（），启动对讲机。