题目内容

词汇与结构Pressurization problems can also cause a (an) _______danger to the aircraft, as the reduction of the cabin pressure will affect the crew and the passengers.

A. physical
B. immediate
C. sensitive
D. intermediate

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词汇与结构The time for useful consciousness is _____ on the altitude flown, the size of the leak and the size of the fuselage.

A. dependent
B. independent
C. mutual
D. inclusive

词汇与结构The amount and pressure of the ________ air is regulated by a computer and outflow valves.

A. controlled
B. limited
C. conditioned
D. desired

词汇与结构In icing conditions, pneumatic air can be used to ____ice buildup/ accumulation or to remove the ice/de-ice.

A. accept
B. prevent
C. keep
D. receive

词汇与结构The air conditioners supply warm air and cooling air. They are _____to a certain temperature, which makes people onboard comfortable.

A. managed
B. authorized
C. regulated
D. standardized