What is the writer’s attitude towards high injury rates among abult exercisers reported by the mass media? The true injury rate

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问题 What is the writer’s attitude towards high injury rates among abult exercisers reported by the mass media?
The true injury rates are obtained from ______.

选项 A、the average number of injuries for each individual
B、the amount of exercises for each individual
C、the numbers of the injured and all individuals in training
D、the numbers of people doing exercises and those stopped exercises for one week

答案C

解析 事实细节题。本题询问的是真实的受伤率是如何获得的。根据文章第一段第二句、第四句和第五句可知,掌握受伤者的数量和进行锻炼者的总数对于计算真实的受伤率是必要的。因此,选项C(受伤的人数和所有进行锻炼的人数)符合文意,为正确答案。
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