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  3. Thinner isn’t always better. A number of studies have【C1】________that normal-weight people are in fact at higher risk of some di

Thinner isn’t always better. A number of studies have【C1】________that normal-weight people are in fact at higher risk of some di

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问题     Thinner isn’t always better. A number of studies have【C1】________that normal-weight people are in fact at higher risk of some diseases compared to those who are overweight. And there are health conditions for which being overweight is actually【C2】________. For example, heavier women are less likely to develop calcium deficiency than thin women.【C3】________, among the elderly, being somewhat overweight is often an【C4】________of good health.
    Of even greater【C5】________is the fact that obesity turns out to be very difficult to define. It is often defined【C6】________body mass index, or BMI. BMI【C7】________body mass divided by the square of height. An adult with a BMI of 18 to 25 is often considered to be normal weight. Between 25 and 30 is overweight. And over 30 is considered obese. Obesity,【C8】________, can be divided into moderately obese, severely obese, and very severely obese.
    While such numerical standards seem【C9】________, they are not. Obesity is probably less a matter of weight than body fat. Some people with a high BMI are in fact extremely fit,【C10】________others with a low BMI may be in poor【C11】________. For example, many collegiate and professional football players【C12】________as obese, though their percentage body fat is low. Conversely, someone with a small frame may have high body fat but a【C13】________BMI.
    Today we have an【C14】________to label obesity as a disgrace. The overweight are sometimes【C15】________in the media with their faces covered. Stereotypes【C16】________with obesity include laziness, lack of will power, and lower prospects for success. Teachers, employers, and health professionals have been shown to harbor biases against the obese.【C17】________very young children tend to look down on the overweight, and teasing about body build has long been a problem in schools.
    Negative attitudes toward obesity,【C18】________in health concerns, have stimulated a number of anti-obesity【C19】________. My own hospital system has banned sugary drinks from its facilities. Many employers have instituted weight loss and fitness initiatives. Michelle Obama has launched a high-visibility campaign【C20】________childhood obesity, even claiming that it represents our greatest national security threat.
【C8】
选项 A、in essence
B、in contrast
C、in turn
D、in part
答案C
解析 本题考查词组辨析。本词组是状语，等同于副词，修饰其所在的句子。本填空所在句子的信息为：Obesity,________, can be divided into moderately obese, severely obese, and very severely obese. (肥胖可以被分为中度肥胖、严重肥胖和极严重肥胖。)这里明显有一个按照程度的轻重次序来划分的概念，因此最佳答案为C项in turn(依次)。其他选项例如A项in essence(实际上)、B项in contrast(相反地)和D项in part(部分地)所表达的意思在句子中没有参照提示信息，即本句中没有任何信息提示这种划分是“部分地”“相反地”或“实际上地”。
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