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The FitnessGram™ Pacer Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly, but gets faster each minute
7 years ago 226 浏览量 1 框架用iOS/Android应用程序绘制你的原创动漫