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下列关于屈肘运动的描述错误的是 [ ] A. 屈肘运动时,骨骼肌收缩,牵动骨绕着关节活动 B. 屈肘运动时,肱二头肌舒张,肱三头肌收缩 C. 屈肘运动受神经系统的支配 D. 屈肘运动需要消耗能量
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A.
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B.
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C.
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D.
all of the mentioned
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