阿摩線上測驗
40. A large fraction of the heat input to an internal-combustion engine is wasted in what？
(A) exhaust gas
(B) thermally insulating material
(C) condenser
(D) constructing material
答案：登入後查看
統計： A(799), B(121), C(151), D(52), E(0) #2014797
統計： A(799), B(121), C(151), D(52), E(0) #2014797
