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Eating healthily costs about $1.50 more per person daily, according to the most thorough review yet of the affordability of a he
Eating healthily costs about $1.50 more per person daily, according to the most thorough review yet of the affordability of a he
admin
2015-08-29
78
问题
Eating healthily costs about $1.50 more per person daily, according to the most thorough review yet of the affordability of a healthy diet.
"For many low-income families, an【C1】______$1.50 daily is quite a lot," says Mayuree Rao, "It【C2】______to about $550 more per year per person, and that could be a real【C3】______to healthy eating."
Rao and her colleagues reached their【C4】______after analysing 27 studies from 10 high-income countries, comparing price【C5】______for healthy versus unhealthy ingredients and diets.【C6】______one study compared the cost of a diet rich in fruit and vegetables versus one that was【C7】______in them. Another compared prices of【C8】______healthy and less healthy items, such as wholegrain versus white bread.
Individual items were【C9】______matched in price. Meats【C10】______the largest difference: healthier options cost an average of 29 cents per serving more than unhealthy options.
【C11】______this, comparisons of whole diets showed that healthier diets cost averagely $1.48 more per day.
This shows that comparisons based on single ingredients don’t tell the full【C12】______. "It tells us that,【C13】______, it doesn’t cost more to eat healthier based on one nutrient," says Rao. "But there’s growing evidence that the【C14】______of foods in your diet【C15】______your disease risk more than any single nutrient, so we think our【C16】______finding that healthier diets cost about $1.50 more has the most public health【C17】______."
As to why healthier food has become more【C18】______Rao says that it may be because the food industry organizes itself and the types of food it produces to【C19】______its own economies of scale,【C20】______than what’s best for consumers.
【C13】
选项
A、on occasion
B、in detail
C、on average
D、in addition
答案
C
解析
第4段第2句提到,即便价格差别最大的食物成分——肉类平均价格也仅相差29美分.即单一食品的平均价格差距很小。空格所在句用It tells us that对前面的比较进行总结,据此可推断该空选择C项on average“平均来说”,与第4段第2句的an average of相呼应。
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0
考研英语一
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