問題詳情

34.A large fraction of the heat input to an internal-combustion engine is wasted in the .
(A)exhaust gas
(B)thermally insulating material
(C)condenser
(D)constructing material

參考答案

答案：A
難度：適中0.598361
統計：A(73),B(6),C(36),D(3),E(0)