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

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

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问题     When it comes to eating smart for your heart, 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 ad you lift【C1】______your mouth. " In the past we used to believe that【C2】______amounts of individual nutrients(营养物)were the【C3】______to good health, " Linda Van Horn, chair of the American Heart Association’s Nutrition Committee. " But now we have a【C4】______understanding of healthy eating and the kinds of food necessary to【C5】______not only heart disease but disease【C6】______general, " she adds.
Scientists now【C7】______on the broader picture of the balance of food eaten【C8】______several days or a week【C9】______than on the number of milligrams(毫克)of this or that【C10】______at each meal.
    Fruits, vegetables and whole grains, for example, provide nutrients and plant - based compounds【C11】______for good health. "The more we learn, the more【C12】______we are by the wealth of essential substances they【C13】______, " Van Horn continues, "and how they【C14】______with each other to keep us healthy. "
    You’ll automatically be【C15】______the right heart - healthy track if vegetables, fruits and whole grains make【C16】______three quarters of the food on your dinner plate.【C17】______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【C18】______clearly contribute to your well - being. Without a【C19】______, each of the small decisions you make in this realm can make a big【C20】______on your health in the years to come.
【C8】
选项 A、over
B、along
C、with
D、beyond
答案A
解析 需要一个和“时间段”搭配的介词，over a period of time表示“一段时间以来”，符合题意。
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