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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.
【C1】
选项 A、denied
B、concluded
C、doubled
D、ensured
答案B
解析 本题考查动词辨析。本动词的主语线索为A number of studies(一些研究)，宾语线索为宾语从句that。normal-weight people are in fact at higher risk of some diseases compared to those who are overweight (正常体重的人与超重的人相比实际上更容易罹患某些疾病)。如果把握住文章的主旨倾向Thinner isn’t always better (瘦不总是好事)，可以判断出本动词之后的宾语从句中的信息是符合文章主旨倾向的，再加上本动词的主语线索是“一些研究”，可以判定本动词的基本意思应该是支持这个事实，即支持宾语从句陈述的信息。首先应该排除的就是A项denied(拒绝)，此选项与文章的主旨倾向完全矛盾。C项doubled(翻倍)与主语和宾语线索搭配无法形成有效的句意。D项ensured(确保)是主语线索A number of studies无法做出的动作，因为研究不能确保什么结果。最合适的选项是B项concluded(下结论)，即研究得出什么结论，为最佳选项。
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