【单选题】Which of the followings is the most reliable information source on line?
A.
comprehensive employment websites
B.
company official website
C.
commercial employment websites
【单选题】information source, transmission medium, electrical signal, electromagnetic wave
【单选题】Where can we spot the information source in a summary?
【单选题】Experts report a new online information source for successful job seekers. What is this recently emerged online job source? ( )
C.
Public service Web sites