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  3. Experts say about 1% of young women in the United States are almost starving themselves today. They are suffering from a sicknes

Experts say about 1% of young women in the United States are almost starving themselves today. They are suffering from a sicknes

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问题     Experts say about 1% of young women in the United States are almost starving themselves today. They are suffering from a sickness called anorexia.
    These young women have an abnormal fear of getting fat. They【C1】______starve themselves so they weigh at 15% less than their normal weight.
    The National Institute of Mental Health says one【C2】______ten cases of anorexia leads to serious medical problems. These patients can die from heart failure or the disease can lead young women to【C3】______themselves. For example, former gymnast Christy Henrich died at age 22. She weighed only 61 pounds.
    A person with anorexia first develops joint and muscle problems. There is a lack of iron in the blood.【C4】______the sickness progresses, a young woman’s breathing, heartbeat, and blood pressure rates slow down. The important substance calcium is【C5】______from the bones, something causing bones to break. Sometimes the brain gets smaller, causing changes in【C6】______a person thinks and acts. Scientists say many patients have further mental and emotional problems. They have【C7】______opinions about themselves. They feel helpless. Their attempts to become extremely thin may【C8】______efforts to take control of their lives. They may become dependent on illegal drugs. Some people also feel the need to continually repeat a(n) 【C9】______. For example, they may repeatedly wash their hands although their hands are clean.
    Anorexia is a serious eating【C10】______. If it is not treated on time, it can be fatal.
【C5】
选项 A、lost
B、derived
C、generated
D、synthesized
答案A
解析 本句句意：“重要元素钙从骨骼中流失，导致骨骼易碎。”从句中something causing bones to break可以判断，此题应选择A。B be derived from由……而来；C由……产生；D合成。
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