词汇与结构In this case the headset is switched automatically to a cabin loudspeaker, with the pilot using the microphone in the mask which may ______ the readability to ATC.
A. increase
B. add
C. reduce
D. keep
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词汇与结构The air conditioning system supplies conditioned bleed air and _______ cabin air at a controlled temperature throughout the airplane.
A. recirculated
B. cycled
C. recycled
D. miscalculated
词汇与结构The air conditioning system supplies conditioned air to the flight deck shoulder ______.
A. belts
B. harness
C. heaters
D. equipments
词汇与结构The air condtoning system supplies ______for the passenger cabin, lavatories, galleys.
A. dilution
B. ventilating
C. ventilation
D. ventilator
词汇与结构The air conditioning system ______ventilation for the flight deck crew rest compartment, lower crew rest compartment, overhead crew rest compartments.
A. supplies
B. supports
C. supposes
D. suppresses