Running slow or running fast;that is the question:The merits of high-intensity interval training

In a recent issue of the Journal of Sport and Health Science,García-Pinillos et al.~1 reviewed evidence on the effects of highintensity intermittent training(interval training)(HIIT)on muscular and performance adaptations in recreational runners.

Can you run fast?

教材分析本课是外研社新标准英语三年级起点第三册第六模块第一单元。本单元呈现了Sam与Amy\Daming\Lingling三个朋友之间的比赛,谁能跑得快、跳得高、跳得远、骑车骑得快。通过本课的学习,要求学生掌握会说这四个动作,能够用can描述谈论能力,最后对学生渗透德育教育,要勇于克服困难对自己要有信心,同时要做一些力所能及的事情去帮助别人。