题目内容

词汇与结构It is important for pilots to select adequate________ before flight for pilotage navigation.

A. waypoints
B. checkpoints
C. references
D. alternate airports

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词汇与结构Malfunction of flight control system may cause an aircraft to _________the course

A. skid off
B. run out of
C. drift off
D. swing off

词汇与结构After 100 hour local training, the student pilot begins his first ______.

A. solo flight
B. aerobatic flight
C. pair solo flight
D. cross-country flight

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A. lost
B. icing condition
C. repaired
D. turbulence

词汇与结构When selecting checkpoints, pilots should select them as _________ as possible.

A. ample and prominent
B. ample and sufficient
C. sufficient and high
D. ample and high