More than 45 million Americans now belong to a health club. We spend some $19 billion a year on gym memberships. Of course, some

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问题     More than 45 million Americans now belong to a health club. We spend some $19 billion a year on gym memberships. Of course, some people join and never go.
    According to a survey, the number of people who said they【C1】________regular exercise, has been rising. And yet obesity【C2】________have risen significantly: a third of Americans are obese, and another third【C3】________as overweight by the Federal Government’s【C4】________. Yes, it’s entirely possible that those of us who regularly go to the gym would weigh even more if we exercised【C5】________. But like many other people, I get hungry after I exercise,【C6】________I often eat more on the days I work out than on the days I don’t. Could exercise actually be keeping me from losing weight?
    The【C7】________wisdom that exercise is essential for shedding pounds is actually fairly【C8】________. As recently as the 1960s, doctors routinely advised against【C9】________exercise, particularly for older adults who could【C10】________themselves. Today doctors encourage even their oldest patients to exercise, which is sound advice for many reasons: People who regularly exercise are at significantly lower risk for all manner of【C11】________—those of the heart in particular. They less often develop cancer, diabetes and many other illnesses. But the past few years of obesity research show that the role of exercise in weight loss has been wildly【C12】________.
    "In general, for weight loss, exercise is pretty【C13】________," says Eric Ravussin, chair in diabetes and metabolism at Louisiana State University and a prominent exercise researcher. Many recent studies have found that exercise isn’t as important【C14】________helping people lose weight as you hear so regularly in gym advertisements or on【C15】________like The Biggest Loser.
    The basic problem is that【C16】________it’s true that exercise bums calories and that you must burn calories to lose weight, exercise has another effect it can【C17】________hunger. That causes us to eat more, which【C18】________can deny the weight-loss benefits we just【C19】________. Exercise, in other words, isn’t necessarily helping us lose weight. It may even be making it【C20】________.
【C8】

选项 A、dull
B、new
C、conservative
D、popular

答案B

解析 下文说在20世纪60年代,医生还通常advised against(反对)人们做某些运动,可见锻炼减轻体重这一观点其实是近期才出现的,选B项new“新的”。A项dull“沉闷的;乏味的”,C项conservative“(观点)保守的”,这两项带有强烈的贬义,用来表述wisdom“智慧,知识”显然不妥。而锻炼对于减轻体重很重要这一观点其实在当今也是很流行的,作者用actually fairly及后面20世纪60年代的例子,显然不是来说明这个观点的流行,所以D项popular“流行的”也不选。
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