词汇与结构The potential to __________ severe forms of wake turbulence will depend on altitude, maneuverability and power of your aircraft.
A. differ from
B. result from
C. recover from
D. protect from
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词汇与结构In general, you can expect induced roll and yaw. Small aircraft following larger aircraft may often be ________ more than 30 degrees in roll.
A. destroyed
B. replaced
C. displayed
D. displaced
词汇与结构Research shows the greatest potential for a wake turbulence incident occurs when a light aircraft is _________ from base to final behind a heavy aircraft.
A. proceeding
B. turning
C. approaching
D. taxing
词汇与结构Flight control surfaces utilize aerodynamic forces to lift the airplane _________ the ground and to support it in the air.
A. of
B. in
C. off
D. with
词汇与结构The strongest vortices are produced by heavy aircraft flying slowly _________ a clean configuration at high angles of attack.
A. under
B. in
C. during
D. over