请问Without the resistance from the air,( )would drop at the same speed.下面四个答案应该选哪个啊?A matters;B affairs;C things;D objects 请在回答后,说明理由.谢谢大家

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请问Without the resistance from the air,( )would drop at the same speed.下面四个答案应该选哪个啊?A matters;B affairs;C things;D objects  请在回答后,说明理由.谢谢大家

请问Without the resistance from the air,( )would drop at the same speed.下面四个答案应该选哪个啊?A matters;B affairs;C things;D objects 请在回答后,说明理由.谢谢大家
请问Without the resistance from the air,( )would drop at the same speed.下面四个答案应该选哪个啊?
A matters;B affairs;C things;D objects 请在回答后,说明理由.谢谢大家

请问Without the resistance from the air,( )would drop at the same speed.下面四个答案应该选哪个啊?A matters;B affairs;C things;D objects 请在回答后,说明理由.谢谢大家
D
这句话表示的是物理现象,没有空气阻力,物体下落速度一样
A 是物质,意思不对
B 是事件,意思不对
C 虽然可以表示实物,但不是专业用语
D 是物体,物理中都用这个词

d. 物体,其他意思都不对