考生在谈论这一话题时，有很多方面可以涉及，如经常锻炼身体 (work out)、均衡饮食 (a balanced diet)、早睡早起 (sleep early and get up early)、保持心情愉悦 (stay in good mood) 等。
Q: How can people maintain good health?
A: People can maintain good health by getting sufficient sleep every day. They can also eat on a regular basis and refrain from skipping meals or eating too late in the evenings. As the adage goes, ‘An apple a day keeps the doctor away.’ signifying the importance of fruits and vegetables as a great way to sustain a healthy lifestyle.
人们可以通过每天获得充足的睡眠来保持健康。人们还可以有规律地吃饭，避免不吃饭或晚上吃得太晚。俗话说:“一天一个苹果，医生远离我。”这表明了水果和蔬菜是作为一种保持健康生活方式的重要方式。
on a regular basis 有规律地
refrain from 节制，克制
adage n. 格言
sustain vt. 保持
拓展话题问题：
Q: What do you do to keep healthy?
A: To keep healthy, I try my best to eat a variety of foods every day as it is beneficial for my body. Every day, I aspire to consume food from the major food groups such as fruits and vegetables, meat, grains and dairy products. Moreover, I exercise weekly to keep fit by running, swimming and playing sports with my friends and family.
为了保持健康，我每天尽量吃各种各样的食物，因为它对我的身体有益。我每天都渴望吃到水果蔬菜、肉类、谷物、奶制品等主要的食物。此外，我每周通过跑步、游泳和和我的朋友和家人做运动来保持健康。
A variety of 各种各样的=various
Be beneficial for对……有益的=benefit for
aspire to 希望，渴望
grain n. 谷物，粮食
dairy products 奶制品
