The findings also provide evidence for something scientists thought was true - each person has a comfortable weight range. The range might be as much as 9kg. Someone might weigh 60-69kg without too much effort. But going above or below the natural weight range is difficult. The body resists by feeling hungry or full and changing the metabolism to push the weight back to the range it seeks.
36What determines your weight?
AYour working manner.
BYour eating habit,
CYour life style.
DYour genes.
37What did Jules Hirsch do to the eight fat people in his study?
A He let them skip supper.
B He let them skip breakfast.
C He let them run every morning and evening.
D He gave them a liquid formula providing 600 calories a day.
38What happened to the eight fat people after they left the hospital?
AThey went mad.
BThey killed themselves.
CThey were back to normal weight.
DThey attempted suicide.
39Ethan Sims made his subjects
Abattle their genetic inheritance.
Bincrease their weight.
Csuffer from hunger.
Dlower their weight.
40What did scientists think was true?
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