填空题
About how many adult Americans have the "weight problem"?
1 percent.
填空题
In many people"s opinion, what is the cause of getting fat?
Eating 1.
填空题
Why were the Americans in 1910 thinner than today?
Because they worked 1 physically.
填空题
What was the result of a recent study?
Thinner people are more 1 than fatter people.
填空题
According to the passage, what happens to those who exercise regularly?
They can eat more, and still lose a large amount of 1.