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The second expedition from England to Roanoke Island

1. 
   was lost mysteriously and never found
   
2. 
   established the first colony there
   
3. 
   arrived there two years after the first
   
4. 
   preferred to settle down in Croatoan, where the Indians were friendly
   
5. 
   joined the first expedition two years later
   

2. 
   Although it hasn't been proved,
   

1. 
   the first settlers of Roanoke are believed to have been killed by the Indians
   
2. 
   Melungeons are thought to be descendants of the lost settlers of Roanoke
   
3. 
   the boat carrying the first expedition might have capsized on her way to the island
   
4. 
   the Indians living in Croatoan might have concealed something from the searchers
   
5. 
   the indications of a struggle in the deserted settlement of the first expedition meant they had been attacked
   

3. 
   No one has definitely been able to say that Melungeons are the lost settlers of Roanoke, because
   

1. 
   there are some other theories about the origins of Melungeons
   
2. 
   Melungeons themselves claim to be descended from Cherokee Indians, living in Tennessee
   
3. 
   historians say Melungeons have never settled on Roanoke Island
   
4. 
   some of the information found out about the mysterious disappearance of the first settlers was confusing
   
5. 
   there is no information available as to their ancestry
   

81 I TO TAKE UP EXERCISE
Exercise is one of the few factors with a positive role in the long-term maintenance of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to "light" beer and low-calorie bread than increase physical exertion. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to shed pounds said they were combining exercise with their diet. In rejecting exercise, some people may be unduly discouraged by caloric expenditure charts; for example, one would have to briskly walk three miles just to work off the 275 calories in one scrumptious Danish pastry. Even exercise professionals concede half a point here. "Exercise by itself is a very tough way to lose weight," says York Onnen, program director of the President's Council on Physical Fitness and Sports. Still, exercise's supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight,
while those who worked exercise into their daily routine maintained their new weight. If you have been sedentary and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year's time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually land making other dietary adjustments, you may lose even more weight.

1.