22.請依下文回答第 47 題至第 50 題：
The New York City Fire Museum operates a world-class fire safety education program in conjunction with the New
York City Fire Department. The program 47 teaching visitors how to prevent fires within the home and how to
protect themselves and escape should a fire occur.
The program consists of two components – classroom training and a simulated fire event in a mock home
environment. During the first portion, visitors are shown a video 48 fire safety and burn prevention. Immediately
following the video, a New York City firefighter leads a discussion to reinforce safety information presented in the video.
During the second half of the program, the firefighter leads the visitors through various rooms in a mock apartment.
In each room (living room, kitchen, bathroom and bedroom), various fire and burn hazards are black-lit and the firefighter
spends time explaining how each can cause a fire and 49 can be done to prevent it. When the group reaches the
bedroom, the firefighter closes the door to continue his/her discussion. 50 , the firefighter’s assistant fills the rest of
the apartment with theatrical smoke. A smoke alarm sounds and the firefighter teaches the visitors how to escape from the
bedroom, and then helps them practice.