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When energy is converted from one from to another, some energy is always lost as heat. （） , no energy conversion is 100% efficient.

A、In other terms

B、In other ways

C、In other words

D、In other conditions

时间：2021-07-18 13:25 关键词：英语专升本高级英语听力作业1

答案解析

C
C

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