超星 - Test for Lesson 4: Vocabulary and Structures - 查题吧

单选题

词汇与结构When flying in the traffic pattern with the wing flaps retracted, the airplane must be flown in a relatively _____attitude to maintain altitude.

A. nose-high
B. climbing
C. level flight
D. approaching

单选题

词汇与结构Losing altitude can be more of a problem without the benefit of the _____normally provided by flaps.

A. weight
B. lift
C. drag
D. thrust

单选题

词汇与结构A perception of close to a stall may cause the pilot to ________ the nose abruptly and risk touching down on the nosewheel.

A. strike
B. raise
C. lower
D. move

单选题

词汇与结构With the flaps _______ and the power reduced for landing, the airplane is slightly less stable in the pitch and roll axes.

A. retracted
B. extended
C. jammed
D. down

单选题

词汇与结构Without flaps, the airplane will tend to ________ considerably during roundout.

A. flare
B. stall
C. roll
D. float

单选题

词汇与结构Mechanical and hydro-mechanical flight control systems both have limited ability to_____ changing aerodynamic conditions.

A. deal with
B. compensate for
C. respond to
D. make up for

单选题

词汇与结构The words “Fly-by-Wire” (FBW) imply _____ only control system.

A. an automatically-signaled
B. a message-signaled
C. a digital-signaled
D. an electrically-signaled

单选题

词汇与结构By using _______ control circuits combined with computers, designers can save weight and improve reliability.

A. electronic
B. electrical
C. hydraulic
D. automatic

单选题

词汇与结构A fly-by-wire system actually replaces manual control of the aircraft with an _______ interface.

A. electronic
B. mechanical
C. hydro-mechanical
D. electrical

单选题

词汇与结构More independent FBW channels reduce the possibility of overall failure to _______ levels.

A. minimum
B. certain
C. low
D. minuscule

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