Someone just answered your question!:) good luck and I hope you pass this quiz!!:D
I assume you mean a simile. A simile is a comparison made by using the words like or as: "Her hair was as gold as a lion's mane", "His beard was like tiny wires brushing her skin."
When asking a question, it's good to provide as much information as possible. If you can provide the paragraph in question, I can edit the answer to address your specific question.
Bulimia Nervosa/ Binge-purging syndrome is usually characterized by binge eating followed by guilt people with this disorder typically consume about 1000-10,000 calories in one sitting. Hope this helps =)