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

单选题

词汇与结构Almost full aileron may be required to maintain a wings-level _________, especially at the reduced airspeed necessary for approach and landing.

A. condition
B. altitude
C. formation
D. attitude

单选题

词汇与结构The airplane should be flown onto the runway so that the touchdown occurs at an airspeed ________ with safety margin above flaps-up stall speed.

A. coincided
B. convenient
C. confronted
D. consistent

单选题

词汇与结构The inability to extend the wing flaps will necessitate a _________ approach and landing.

A. no-flap
B. final
C. flap-down
D. straight-in

单选题

词汇与结构When flying the traffic pattern with the wing flaps _________, the airplane must be flown in a relatively nose-high attitude to main altitude, as compared to flight with flaps extended.

A. engaged
B. retracted
C. ascended
D. repositioned

单选题

词汇与结构When flying the traffic pattern with the wing flaps retracted, the airplane must be flown in a relatively nose-high attitude to main altitude, as compared to flight with flaps _________.

A. actuated
B. displaced
C. deployed
D. deflected

单选题

词汇与结构On final approach, a nose-high attitude can make it difficult to see the runway. This situation, if not anticipated, can result in serious errors in judgment of _________ and distance.

A. airspeed
B. motion
C. height
D. angle

单选题

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

A. vortex
B. axis
C. vortices
D. axes

单选题

词汇与结构The pilot should avoid the ________ to force the airplane onto the runway at an excessively high speed.

A. illusion
B. perception
C. assumption
D. temptation

单选题

词汇与结构The complexity and weight of mechanical flight control systems increase considerably with the size and performance of the aircraft. Hydraulic power _________ these limitations.

A. reinforces
B. overcomes
C. aggravates
D. overlooks

单选题

词汇与结构With the flaps retracted and the power reduced for landing, pilot should not flare excessively, because without flaps this might cause the tail to _________ the runway.

A. put on
B. collide with
C. touch down
D. construct on

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