1、Eating Spinach Makes You Mentally SharpWhile Popeye ate spinach1 every day to maintain strong muscles，he was also bettering his memory，maybe without even knowing it.Consuming just a daily serving of spinachor any type of leafy green，for that mattermay help slow the process of ageassociated cognitive
2、 decline2，according to a new study.The reason？Vitamin K.A group of researchers at Rush University in Chicago who analyzed the diets and mental functions of 954 elderly people over a fiveyear period found that those who ate more greens in their diets were more likely to be mentally sharp.The research
3、ers tracked the diets of participants，whose age averaged 81，for an average of five years.They found that people who ate one or two daily portions of green leafy vegetables had the same cognitive abilities as someone 11 years younger who never consumed leafy greens.“No other studies have looked at vi
4、tamin K in relation to change in cognitive abilities over time，and only a limited number of studies have found some association with lutein3，” said Martha Clare Morris，Sc.D.，assistant provost for community research at Rush University Medical Center and the leader of the studys research team.The team
5、 believes that other foods high in these nutrients，like asparagus4 andcarrots could provide the same benefits as the darker greens，and they intend to expand their research to explore this possibility.The research holds promise of a brain booster5 that is accessible and affordable.“Since declining co
6、gnitive ability is central to Alzheimers disease and dementia，increasing consumption of green leafy vegetables could offer a very simple，affordable and noninvasive6 way of potentially protecting your brain from Alzheimers disease and dementia，” Morris said.1spinach n菠菜2cognitive decline 认知衰退3lutein
7、n叶黄素4asparagus n芦笋5booster n助推器，辅助药剂6noninvasive adj.非侵入的Which of the following is FALSE according to the passage?AVitamin K may help slow the process of ageassociated cognitive decline.BThe researchers tracked the diets of participants for an average of five years.COnly a limited number of studies have found lutein has the same function as vitamin K.DThe team believes carrots could provide the same benefits as the darker greens.答案C