题目内容
A whole bunch of exercise bikes lined up inside a health club studio. Riders are on each one, spinning the pedals at a rapid pace.句中“one”的意思是_________。
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Les Mills is a group fitness system created in ____________.
________gives professional one-on-one personal training paid service in the fitness club.
A personal trainer should have the knowledge about sports anatomy with knowing very well about the _______ of bones, joints and muscles.
After you are fully warmed up, then start your ______ exercise session.
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