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阅读短文并回答下列问题。 Helen is a girl of nineteen years old. She likes to eat a lot of sweets, chocolate and French fries. She can't stop eating and she's getting fatter and fatter. Last month, when she went to a party, none of the boys wanted to dance with her because she was too fat. Helen was sad and decided to go on a diet. She thinks she must not eat sweet, or, meat. She must do more exercise. And she must not sleep too much. After a month, she becomes a little thinner.
