六级练习2012.03.29 led, numbers, exercise, research, physically

Rebecca949

There's been lots of research over the years concluding that physically active people are less likely to have serious conditions, such as heart disease. Now, a new study indicates that (1)____________________________are less likely to catch cold or have other respiratory symptoms. About 1,000 participants in the study filled out a daily diary of their exercise, and then the numbers were crunched by researchers led by David Nieman of Appalachian State University in North Carolina.
"We found that (2)____________________________during the winter and fall was the amount of physical activity." Specifically, aerobic physical activity, bouts of 20 minutes or more, enough to increase the heart rate and break a sweat.
"People that put in those bouts, 5 days a week during the 12-week period, had (3)____________________________and this is after controlling for all of the other factors that I mentioned." Factors like diet, weight, education, and gender.

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susan.sui

1.those engage frequent ? exercise
2.they're most important less our factor in predicting number 6 days.
3.more than 40 percent reduction in 6 days

doudouky

天空中偶然飘过一朵乌云不见得会下一终日的雨