If the fire alarm is sounded all residents are requested to ________ in the courty

The system will include various _____ such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.

The fire alarms are ringing. You must go to the ________. A.bridgeB.holdC.muster station

If in doubt as to the true water level when a boiler is being oil－fired, you should _____.

If the air stream meets with no obstruction when a sound is pronounced, it is a（n)A．voiced

"If it sounds too good to be true, it is" meansA．when something good happens, it is expect

"If sounds too good to be true, it is." meansA．when something good happens, it is expected