1. [22] This is unusual, since the vast majority of California's elementary students receive PE instruction from classroom teachers who are not PE specialists, says Don Morris, a professor of kinesiology and health promotion at California State University in Pomona. 
   [22]波莫纳的加利福尼亚州立大学运动学和健康促进教授唐·莫里斯说，这非同寻常，因为大多数加利福尼亚的小学生是由非体育专家的任课教师授课的。

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