阿摩線上測驗
The ratio of the work done by the machine ________ the work done on it is called the efficiency of the machine.
(A) against
(B) with
(C) to
(D) for
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統計： A(163), B(200), C(211), D(112), E(0) #330492
統計： A(163), B(200), C(211), D(112), E(0) #330492
詳解 (共 2 筆)
CF Lee
#324455
The ratio of A to B
13
0
