阿摩線上測驗
46. Which of the following is the best title for this article?
(A) A South Korean Experiment
(B) Energy-efficient Cars
(C) Energysaving Music
(D) Classical Music vs. Pop Music
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統計： A(5), B(23), C(55), D(4), E(0) #3105234
統計： A(5), B(23), C(55), D(4), E(0) #3105234
