And some experienced runners also use walk breaks as a strategy to prevent injuries and improve their overall pace.
一些有经验的跑步者也用这种方式来防止受伤，同时提高他们整体的步速。
It shows: 1 the overall strategies level of the junior students is general. They use cognitive strategy best, but social strategy worst.
研究结果表明：1初中生总体策略水平一般，认知策略最好，交际策略最差。
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