阿摩線上測驗
19. Shortly before the crash, the pilot had reported a _____ of the aircraft’s navigation system.
(A) malfunction
(B) miscarriage
(C) misconduct
(D) discharge
(E) disorientation
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統計： A(51), B(3), C(4), D(0), E(6) #1021240
統計： A(51), B(3), C(4), D(0), E(6) #1021240
