When we say that two objects have relative motion, we mean （）. -题库考试答案搜索网

When we say that two objects have relative motion, we mean （）.

单选题

2021-07-20 01:10

A、the distance between them remains the same
B、the distance between them is changing
C、the position between them is not changing
D、their positions to the earth remain the same

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正确答案

B

试题解析

标签：船舶动力装置海船船员考试水路交通运输技能考试

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