共用题干 Walk a Quarter-Mile or DiemIf you can walk a quarter-mile,odds(可能性)are you have at least six years of life leftin you,scientists say.And the faster you can_______(1)it,the longer you mightlive.While walking is no guarantee of_______(2) or longevity(长寿),a new studyfound that the ability of elderly people to do the quarter-mile was an"important determinant (决定因素)"in whether or not they'd be_____(3) six years later and how much illness and disability they would endure."The_______(4)to complete this walk was a powerful predictor of health outcomes,"said study leader Anne Newman of the University of Pittsburgh School of Medicine."In fact,we_______(5)that the people who could not complete the walk were_____(6)an extremely high risk of later disability and death."Newman and colleagues recruited nearly 2,700 white and African-American men and women aged 70 to 79 to_______(7)the walk.All the participants were screened and determined to be in relatively_______(8)health,and they had all said they had previously walked that far with no_______(9).Only 86 percent of them finished,_______(10)The scientists then monitored the health and mortality of all_______(11)for the next six years,"There was a big gap in health outcomes_______(12)people who could complete the longer walk and people who could not,with the latter being at an extremely high_______(13)of becoming disabled or dying,"Newman said."Whatwas really surprising is that these people were not_______(14)of how weak they actually were."Finishing times were found to be crucial,too.Those who completed the walk but were among the slowest 25 percent_______(15)three times greater risk of death than the speedier folks. _________(1)
A.take B.do C.jump D.run正确答案B
