皮皮学，免费搜题
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【单选题】
运用间歇训练法发展运动员的无氧乳酸供能能力,若采用跑的手段其负荷常用A.
95%以上强度
B.
80-90%的强度
C.
距离50米
D.
距离100米
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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