When it comes to eating smart for your heart, stop thinking about short-term fixes and simplify life with a straightforward appr

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问题     When it comes to eating smart for your heart, stop thinking about short-term fixes and simplify life with a straightforward approach that will serve you well for years to come.
    Smart eating goes beyond analyzing every bite you lift 【B1】______ your mouth. "In the past we used to believe that 【B2】______ amounts of individual nutrients were the 【B3】______ to good health," Linda Van Horn, chair of the American Heart Association’s Nutrition Committee. "But now we have a 【B4】______ understanding of healthy eating and the kinds of food necessary to 【B5】______ not only heart disease but disease 【B6】______ general," she adds.
    Scientists now 【B7】______ on the broader picture of the balance of food eaten 【B8】______ several days or a week【B9】______than on the number of milligrams of this or that【B10】______at each meal. Fruits, vegetables and whole grains, for example, provide nutrients and plant-based compounds【B11】______for good health. "The more we learn, the more【B12】______we are by the wealth of essential substances they【B13】______," Van Horn continues, "and how they【B14】______with each other to keep us healthy."
    You’ll automatically be【B15】______the right heart-healthy track if vegetables, fruits and whole grains make【B16】______three quarters of the food on your dinner plate.【B17】______in the remaining one quarter with lean meat or chicken, fish or eggs.
    The foods you choose to eat as well as those you choose to【B18】______clearly contribute to your well-being.
    Without a【B19】______, each of the small decisions you make in this realm can make a big【B20】______on your health in the years to come.
【B9】

选项 A、other
B、better
C、rather
D、sooner

答案C

解析 考查逻辑关系。根据语境可知,空格处所在的句子的意思为“科学家现在把主要注意力都集中在更宽广的几天或者一周的饮食平衡图景上,而不是每餐各种营养的毫克数量。”这里的逻辑关系应该为“是什么而不是什么”,rather than表示这种关系,故选C.rather。
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