The ratio of the work done by the machine ______the work done on it is called th

游客2023-11-24 92

问题 The ratio of the work done by the machine ______the work done on it is called the efficiency of the machine.

选项 A、against
B、with
C、to
D、for

答案 C

解析 ratio表示两者之间的“比率或比例”时，常与to搭配。其他三个介词不能与之构成搭配。

转载请注明原文地址:https://tihaiku.com/zcyy/3214020.html

相关试题推荐

随机试题

最新回复(0)

Whetheritiscalledanimaltesting,animalexperimentationoranimalresear