共用题干 An active lifestyle and a healthy,fish-rich diet are not only good for your heart,________(46),two leading neuroscientists said on Wednesday.As people live longer,finding ways of halting the decline in mental agility is becoming increasingly important,said professor Ian Robertson，_________(47)."The biggest threat to being able to function well and properly is our brains,"___________(48). "There is very strong evidence,___________(49),that the degree to which you maintain your mental faculties depends on a handful of quite simple environmental factors,"he said.__________(50),avoided high stress levels and enjoyed a rich and varied social life are better equipped to stay alert as they age.Mental stimulation,learning new things and simply thinking young also help. ________(46)
A.they may also help tackle the memory ioss associated with old age B.he told journalists C.director of the Institute of Neuroscience at Trinity College Dublin D.Those who remained physically fit E.particularly in the over-50s F.It's important to keep our brain active.正确答案A
