阿摩線上測驗
3. To fly the plane safely, pilots are trained to understand and avoid visual _____, perceptions that differ from the way
things really are.
(A) illusions
(B) peasants
(C) potentials
(D) proportions
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統計： A(182), B(25), C(47), D(26), E(0) #2062305
統計： A(182), B(25), C(47), D(26), E(0) #2062305
