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1·I often take part in physical exercise.

我经常参加体育锻炼。

2·All of these outcomes are linked to a lack of physical exercise.

所有这些后果都与缺乏体育锻炼有关。

3·Healthy eating and physical exercise are ways of maintaining general good health.

健康饮食和体育锻炼是保持健康的方式。

4·First trying physical exercise and dieting, she lost some weight and discovered an inner strength.

她先是尝试通过体育锻炼和节食减了一些体重，并发现了一种内在力量。

5·A survey of the opinions of the students shows that two hours of physical exercise a day is acceptable in our campus.

一项关于学生意见的调查显示，我们学校的学生能够接受每天两小时的体育锻炼。

6·Type 2 Diabetes mainly happens to those who do not have enough physical exercise, eat too much unhealthy food and get too heavy.

2型糖尿病主要发生在那些没有足够的体育锻炼，吃太多不健康的食物和体重过重的人身上。

7·Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.

另一项实验表明，体育运动——尤其是剧烈的运动——可以使呼吸频率增加一倍，但这对打哈欠的频率没有影响。

8·With fresh air to breathe, less crowded living conditions, and more chances to take part in physical exercise, children in the country are usually healthier than those in the city.

乡下的孩子有新鲜的空气可以呼吸，生活环境不那么拥挤，有更多的机会参加体育锻炼，所以他们通常比城市中的孩子健康。

9·Physical exercise before breakfast is better for health.

早餐前锻炼身体更有益健康。

10·This works just like physical exercise, says Francisca then, who led the study.

这项研究的负责人弗朗西斯卡当时说：“这就像身体锻炼一样。”