阿摩線上測驗
9. Ship _____ is desired to improve the comfort of passengers and crew aboard.
(A) deck
(B) controller
(C) main engine
(D) stabilization
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統計： A(94), B(87), C(116), D(674), E(0) #3126410
統計： A(94), B(87), C(116), D(674), E(0) #3126410
