阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。

A

Fire Prevention Information

The University of Adelaide employs a full-time staff of fire prevention professionals. They inspect all campus buildings and test and maintain all sprinkler(喷水灭火装置）systems, fire alarms, and fire extinguishers (灭火器). They also provide educational programs or fire safety in the residence hall. Whenever you move to a new area, you should locate the fire alarm pull stations and the two exits nearest your room.

Fire Alarms

The floors of all campus buildings are equipped with manual(手动的）fire alarm systems which include fire alarm pull stations and pipes. Most are also equipped with automatic fire alarm systems consisting of heat detectors, smoke detectors and sprinklers. For your safety, never tamper with(胡乱摆弄）these systems. False fire alarms are illegal and may lead to imprisonment.

Fire Drills

A fire drill will be conducted in your residence hall every semester. During a fire drill, please do the following:

•Take your room key and ID, close and lock the door to your room.

•Exit immediately from the nearest emergency exit do not use a lift.

•Meet outside of your residence hall and wait for further instructions.

Fire Extinguishers

Fire extinguishers are located on each floor and in each apartment. Use a fire extinguisher only if you have been trained to do so. Irresponsible use of a fire extinguisher can create a dangerous situation for other residents and could result in damage to personal property. Misuse of a fire extinguisher will result in fines.

Smoke Detector

A smoke detector is on the ceiling in your room. Some buildings also have heat detectors on the ceilings. Do the following to ensure the safe operation of your smoke detector:

•If your smoke detector is working properly, the red light should be on. If the red light is not blinking（闪动），contact residence hall staff immediately.

•Do not cover or block your smoke detector in any way.

•If a smoke detector sets off an alarm and there is no fire or smoke, inform your hall staff.

（1）What is the main duty of the fire prevention professionals?            

A．	To provide part-time jobs for students.
B．	To lead the students to the nearest exits.
C．	To check and maintain fire prevention equipment.
D．	To train teachers to be fire prevention professionals.

（2）What do the automatic fire alarm systems include?            

A．	Pipes and smoke detectors.
B．	Smoke detectors and sprinklers.
C．	Fire alarm pull stations and pipes.
D．	Sprinklers and fire alarm pull stations.

（3）In a fire drill, the students should.            

A．	rush quickly to a lift
B．	gather at the nearest exit
C．	shut the door and leave at once
D．	wait for instructions in the hall

（4）What do we know about the use of fire extinguishers?            

A．	Using them wrongly results in punishment.
B．	Irresponsible use of them can damage them.
C．	Improper use of them can destroy the apartment.
D．	Using them without a trainer present is forbidden.

（5）To ensure the safe operation of the smoke detector, one should_________.            

A．	contact the hall staff regularly
B．	cover the things that burn easily
C．	start the smoke detector in a fire
D．	make certain the red light is working