Directions: Click on the choice that best completes the item…
Directions: Click on the choice that best completes the item. (1)In a study published in 2011, 93 obese people aged 65 and up with various physical problems were divided into four groups. (2)One group was put on a low-calorie diet and attended 90-minute exercise sessions three times a week. (3)The other three groups just dieted, just exercised, or did not change their habits. (4)After one year, the groups all took a physical performance test. (5)The dieters improved by 12 percent, and the exercisers improved by 15 percent. (6)However, the group that did both improved by 21 percent. (7)This study suggests that older people will be healthier if they combine diet and exercise than if they do just one or the other. The main pattern of organization of the paragraph is