47. According to this article, which of the following is the most energy
saving?
(A) Driving an electric car and listening to classical music
(B) Driving an electric car and listening to pop music
(C) Driving a traditional fuel-burning car fast
(D) Driving a traditional fuel-burning car slowly
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統計: A(79), B(4), C(4), D(2), E(0) #3105235
統計: A(79), B(4), C(4), D(2), E(0) #3105235