(2018·全国卷Ⅰ)According to a review of evidence in a medical journal, runners live three years ________ (long) than nonrunners.
(2018·全国卷Ⅰ)According to a review of evidence in a medical journal, runners live three years ________ (long) than nonrunners.
longer 此处指跑步的人比不跑步的人多活3年。根据后面的than可知,此处要使用比较级形式,故填longer。