1. (2022高二下·三门期中) 听下面一段独白，回答问题。

1. （1） In which department did the speaker previously work?

   A . Business Strategy. B . Human Resources. C . Research & Development.
3. （2） What is the speaker's favorite book mainly about?

   A . Engineering. B . Management. C . Psychology.
5. （3） What is the talk mainly about?

   A . The introduction of a new worker. B . The introduction of a company. C . The introduction of a research.