阿摩線上測驗
19. The Diesel engines have greater efficiency at high speeds among these three types of propulsion system. They require the______of fuel for a given endurance.
(A)most weight
(B)least weight
(C)more weight
(D)much weight
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統計： A(0), B(1), C(0), D(0), E(0) #3479013
統計： A(0), B(1), C(0), D(0), E(0) #3479013
