Listen to the passage, and answer each question with a word or a short phrase in no more than 3 words. 1. About how many Americans have the “weight problem”? ( ) Percent. 2. In many people’s opinion, what is the cause of getting fat? Eating ( ) . 3. Why were the Americans in 1910 thinner than today? Because they worked ( ) physically. 4. What was the result of a recent study? Thinner people are more ( ) than fatter people. 5.According to the passage, what happens to those who exercise regularly? They can eat more, and still lose a large amount of ( ) .