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ed in the journal Neurology (《神經學》).“In the past,studies have shown that chronic distress (長期抑郁) can affect parts of the brain,possibly leading to dementia,” Hui173。Xin Wang of the Karolinska Institute in Sweden,who led the study,said in a statement.“But our findings suggest that having a calm and outgoing personality in bination with a socially active lifestyle may decrease the risk of developing dementia even further.”An estimated 24 million people worldwide have memory loss,problems with direction and other symptoms that signal Alzheimer’s disease and other forms of believe the number of people with dementia may quadruple (變?yōu)樗谋? by 2050,underlining the importance of better understanding the condition.The Swedish study involved 506 elderly people who did not have dementia when first volunteers were given questionnaires about their personality traits and lifestyles and then tracked for six that time,144 people developed dementia with more socially active and less stressed men and women 50 percent less likely to be diagnosed with the condition.“The good news is,lifestyle factors can be modified as opposed to genetic factors which cannot be controlled,” Wang said.“But these are early results,so how exactly mental attitude influences risk for dementia is not clear.”1.Study suggests that________.A.women have a 50 percent lower risk of developing dementia than menB.50 percent of elderly people have the risk of developing dementiaC.people with active lifestyles will never develop dementiaD.going to a party will cut the risk of developing dementia2.________people are believed to develop dementia in one year on average in the future 40 years.A.About million B.About 24 millionC.About 72 million D.About 96 million3.It can be inferred that________could be a good way to decrease the risk of developing dementia.A.living alone in a deserted islandB.modifying genetic factorsC.changing lifestylesD.getting away from activities4.Which of the following is TRUE according to the passage?A.It is not clear whether mental attitude influences the risk of developing dementia.B.The people involved in the Swedish study are never diagnosed with dementia.C.Memory loss,direction confusion could be the symptoms of dementia.D.The number of people with calm and outgoing personality is growing.Ⅳ.補全對話A guest is at a hotel front is talking with the waitress.(W:waitress