【正文】
group did not eat any apple. After a few months, they added up all the times the young people got sick . The apples eaters turned out to be healthier than those who hadn’t eaten apples. It seemed to show that an apple a day or two apples really does keep the doctor away. scientists divided the class into ______. A. five groups B. two teams C. two groups D. three groups first group ate ______. A. two apples a day B. no apples C. three apples a day D. one apple a day story suggests that people should eat _______. A. pears B. bananas C. apples