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A、weight is a fixed quality of an objectB、they are far away from the centre of
A、weight is a fixed quality of an objectB、they are far away from the centre of
游客
2025-07-21
2
管理
问题
选项
A、weight is a fixed quality of an object
B、they are far away from the centre of the earth
C、of the earth’s strong attraction for them
D、they are not taken away from the surface of the earth
答案
C
解析
从文章中的第二段“Au objects have a natural attraction for a11 other obiects;this is called gravitational attraction….”可知,物体之所以有重量,是因为物体与物体之间存在着吸引力,这种吸引力是来自地球的引力的。故正确的答案为C。
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