【单选题】The basic training in fire prevention and fire fighting should include the practical elements which should allow the trainees to acquire the ability to ().
A.
use self-contained breathing apparatus
B.
use various types of portable fire extinguishers
C.
effect a rescue in a smoke-filled space wearing breathing apparatus
【判断题】In order to help the trainees through the orientation period, the supervisor should describe the structure of the company, its principles and philosophy.