The ratio of the work done by the machine______________the work done on it is called the efficiency of the machine. -题库考试答案搜索网

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

单选题

2022-01-03 03:12

A、against
B、with
C、to
D、for

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正确答案

C

试题解析

【答案】C
【译文】机器所做的工作与在机器上所用的功之比，就称为机器的效率。
【考点】固定搭配
【解析】题中rati0与介词t0是固定搭配，the ratio of A to B的意思为“A与B之比(率)”，故选c。

标签：英语三级外语考试

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