阿摩線上測驗
50. What is the main purpose of this passage?
(A) To emphasize the limitations of ground transportation.
(B) To discuss the benefits and potential of urban air mobility.
(C) To persuade people into investing in urban air mobility projects.
(D) To criticize the inefficiencies of urban transportation systems.
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統計： A(2), B(43), C(15), D(2), E(0) #3930838
統計： A(2), B(43), C(15), D(2), E(0) #3930838
