单选题 Fat on human beings is distributed (分布) in different ways. Some fat people have a large
stomach (胃) and no waistline—which makes them look round, rather like apples. Others are
fatter below the waist (腰), which makes them appear pear-shaped (梨形的).
There are two types of fat: external fat (fat under the skin) and internal fat (fat inside the
body). Doctors, who have been examining the relationship (关系) between health and fatness,
have found that the "pears" have less internal fat, but the "apples" have more internal fat than
external fat. This seems to be what causes the health problems.
The best treatment for fatness is to reduce (减少) the internal fat. But unfortunately it seems
that dieting (节食) simply makes an apple-shaped person into a smaller apple and a pear shaped
person into a smaller pear. At the moment there is no known way of reducing the internal fat.
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