Authoritygradientisanimportantfactorthatcanhaveaneffectoncommunicationinamulti-crewenvironment.Inaflightcrew,anaptarrangingis（）
A. thecaptain'spower,ability,longevityandstatusarehighermuchmorethantheothermembersoftheflightcrew.
B. thecaptain'spower,ability,longevityandstatusareequaltotheothermembersoftheflightcrew.
C. thecaptain'spower,ability,longevityandstatusishigherthantheothermembersoftheflightcrewinsomeshort
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Thecaptainofamulti-crewaircraftmayconsultthefirstofficeroneveryissueandmaynevertakecommandinthecourseofaflight.Thissituationcouldbedescribedas（）
A. asteepauthoritygradient
B. atooshallowauthoritygradient
C. aparticipatoryleader
Iftheauthoritygradientistoosteep（）
A. thefirstofficermaybeunlikelytocontributeanythingtothedecisionmakingprocessevenwhenheissurethatthecaptainhasmadeamistake!
B. Thefirstofficerrespectsthecaptain'scommandstatusbutfeelsfreetocontribute.
C. thefirstofficermaybelikelytocontributeanythingtothedecisionmakingprocess
Theprimarycauseofcivilaviationaccidentinnowadaysis（）
A. Meteorologicalfactors.
B. Humanerrors.
C. Mechanicalmalfunctions.
下列工业布局不合理的是（）
A. 在渔场附近建水产加工厂
B. 在水电站附近建炼铝厂
C. 在林区建家具厂
D. 在城郊建感光器材厂
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