— I am gaining weight. I need to see a doctor.

— But I think you eat too much. __________.

A．Neglect(忽视) of health is doctor’s wealth

B．Laugh at your ills, and save doctors’ bills

C．Diet cures more than the doctor

D．An apple a day keeps the doctor away

美国当代教育家（）倡导发现法，主张培养学生的科学探索精神、科学兴趣和创造能力，其代表作是《教育过程》。