ข้อสอบเข้ามหาวิทยาลัย ภาษาอังกฤษ(2544) ชุดที่2
ข้อที่ 11. In a study of 2,500 men aged 45 to 59, those who ate five or more apples per week had better lung function …11….men who ate no apples. Researchers measured lung function at the start of the study and again five years …12…., and considered factors ….13…. smoking and exercise. They think that bioflavonoids in the apples, ….14…. Quercetin, may help to protect against cellular damage….15….by smoking and air pollution.
