题目内容

使用下列哪个药物治疗疟疾其复发率高

A. 吡喹酮
B. 氯喹
C. 青蒿素
D. 伯氨喹
E. 乙胺嘧啶

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与吗啡相比，哌替啶的特点是

A. 镇痛作用较吗啡强
B. 在妊娠末期子宫不对抗缩宫素的作用，不影响产程
C. 作用持续时间较吗啡长
D. 戒断症状持续时间比吗啡长
E. 镇咳作用较吗啡强

脑脊液中浓度最高的药物是

A. 土霉素
B. 庆大霉素
C. 大观霉素
D. 米诺霉素
E. 氯霉素

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. 【C18】

A. expensive
B. popular
C. affordable
D. superior

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. 【C17】

A. strategy
B. relevance
C. tendency
D. suggestion