题目内容

持续训练法的时间较长,一般为()

A. 1-2小时
B. 2-4小时
C. 4-6小时
D. 7-9小时

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变速训练法可用于改进______ ,发展力量、速度和耐久力,能更为灵活地训练运动员______ 的能力

The referee may interrupt the match, terminate the match, rematch or cancel the match if there is any emergency on the spot that affects the progress of the match

Pairs is when a man and a woman or two men and two women perform their movements in unison, skating in coordination with each other

The toe of the current mainstream speed roller skates is divided into two types:()

A. Round and flat
B. pointed and square
C. Square and round
D. Pointe and round

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