2. 考研
  3. For centuries, men and women have worked tirelessly to fit the physical molds of their time. Diets, which have【B1】______ from th

For centuries, men and women have worked tirelessly to fit the physical molds of their time. Diets, which have【B1】______ from th

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问题     For centuries, men and women have worked tirelessly to fit the physical molds of their time. Diets, which have【B1】______ from the【B2】______ to the colorful and kind of silly, have【B3】______ a wide range of results—and all sorts of followings.   
    Not long ago, the Atkins diet made carbohydrates wicked and convinced millions to【B4】______ starches of any kind. Today, the Paleo diet, which means to【B5】______ the eating habits and digestive systems of ancient humans who lived for many【B6】______ years than people on average do today, is【B7】______ the most popular—or at least talked about— dietary fad. Soon there will be another fad that the dieting sweeps【B8】______ . And another one.
    The question that seems to revolve【B9】______ all this diet talk is whether any of the【B10】______ weight loss schemes has worked. If one had, shouldn’t it have【B11】______ the test of time? And if we’ve gone this long【B12】______ a diet that has been shown to work— according to science, not simply the sellers of the fad—will one ever emerge【B13】______ actually does?
    The short answer is no, according to Traci Mann, who has been studying eating【B14】______, self-control and dieting for more than 20 years. 【B15】______ the course of her research, largely 【B16】______ at the University of Minnesota’s Health and Eating Lab, Mann has【B17】______ asked these sorts of questions, and always found the same【B18】______ answers. Her findings, introduced in her newly published book Secrets from the Eating Lab, offer a fascinating【B19】______ for why dieting over the long term is actually【B20】______.
【B13】
选项 A、as
B、than
C、what
D、that
答案D
解析 that在此处是关系代词，引导定语从句，修饰先行词one，即“实际起作用的饮食法”。选项[A]as和[B]than也可以引导定语从句，但原句没有比较含义。选项[C]what常引导主语从句或宾语从句。
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考研英语一

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