题目内容

Les Mills fitness programs are updated every ______ months with new choreography, music and instructor education.

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Personal trainers should be waiting for customers and members at the training area ______ clean sport clothes and shoes.

运动频率、持续时间和强度的专门指导要求,是为了心血管功能训练的______ 。

心血管功能训练中肌肉拉伸是指拉伸______ 。

热身练习与放松练习的运动强度是______ 。

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