Anything that is dropped from a height falls towards the center of the earth bec

游客2025-04-04 10

问题 Anything that is dropped from a height falls towards the center of the earth because of the pull of______.

选项 A、weight
B、attraction
C、gravity
D、density

答案 C

解析 gravity n.重力，地心引力；严肃：严重(性)。weight n．重量，重力；重压，负担；重要性，价值。attraction n.吸引，吸引力；具有吸引力的人或东西。density n.密度；密集，稠密。

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