题目内容

词汇与结构The PFD is designed to improve a pilot's situational awareness by integrating this information into a ______ display instead of six different analog instruments.

A. only
B. individual
C. single
D. unique

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词汇与结构PFDs also increase situational awareness by alerting the aircrew to unusual or potentially _______ conditions (e.g., low airspeed, high rate of descent) by changing the color or shape of the display or by providing audio alerts.

A. bad
B. harmful
C. beneficial
D. hazardous

词汇与结构The second part of the glass cockpit, comprising over-and-under center display _____ , shows the aircraft's systems conditions and engines performance.

A. screens
B. glasses
C. instruments
D. procedures

词汇与结构This is variously called EICAS (Engine Indications and Crew Alerting System) or ECAM (Electronic Centralised Aircraft Monitor), the former being the Boeing term and the latter Airbus' ______.

A. synonym
B. acronym
C. synonymous
D. antonym

词汇与结构EFISoffersversatilitybyavoidingsomeofthe_______limitationsoftraditionalinstruments.

A. major
B. physician
C. typical
D. physical