广播电视英语短句 第 10 课：体重超标-4

This "New P.E." expands the kinds of sports that are taught. 新型体育扩展了授课的运动种类。

But activities that some schools offer now, like rock climbing walls and skateboarding, can also expand the risks, says Cheryl Richardson. 但是， Cheryl Richardson 说，目前一些学校提供的的活动，比如攀岩墙和滑板，也加大了风险。

She is with the National Association for Sport and Physical Education. 她目前供职于全美运动和体育教育协会。

Also, she says not all states require P.E. teachers to be specially trained. 同时，她也说，并不是所有的州都要求体育教师接受过特殊训练。

Untrained teachers could be less likely to recognize unsafe conditions. 但是未经训练的教师不太可能会意识到不安全的情况。

Cheryl Richardson also points to one of the study's findings -- that injuries are often the result of contact with a person or a structure. Cheryl Richardson 也指出，一项调查发现——那就是受伤总是是与人或设施相牵连的结果。